2008 Mercedes-benz CLS Class Owners Manual

cargo load capacities (컄 page 298).

1 Maximum permissible tire inflation

pressure

i For illustration purposes only. Actual data on tires are specific to each vehicle and may vary from data shown in above illustration.

This is the maximum permissible tire inflation pressure for the tire.

1 Maximum tire load rating

i For illustration purposes only. Actual data on tires are specific to each vehicle and may vary from data shown in above illustration.

The maximum tire load is the maximum weight the tires are designed to support.

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Always follow the recommended tire inflation pressure (컄 page 301) for proper tire inflation.

Warning!

Never exceed the max. tire inflation pressure. Follow recommended tire inflation pressures.

Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more likely to fail from being over- heated.

Do not overinflate tires. Overinflated tires can adversely affect handling and ride com- fort, wear unevenly, increase stopping dis- tance, and result in sudden deflation (blowout) because they are more likely to become punctured or damaged by road debris, potholes etc.

Uniform Tire Quality Grading Standards (U.S. vehicles)

Tire manufacturers are required to grade tires based on three performance factors: treadwear, traction and temperature resistance.

1 Treadwear 2 Traction 3 Temperature resistance

i For illustration purposes only. Actual data on tires are specific to each vehicle and may vary from data shown in above illustration.

Operation Tires and wheels

Quality grades can be found, where appli- cable, on the tire sidewall between tread shoulder and maximum section width. For example:

Treadwear Traction Temperature 200

AA

All passenger car tires must conform to federal safety requirements in addition to these grades.

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Traction The traction grades, from highest to low- est, are AA, A, B, and C. Those grades rep- resent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction perfor- mance.

Warning!

The traction grade assigned to this tire is based on straight-ahead braking traction tests, and does not include acceleration, cornering, hydroplaning, or peak traction characteristics.

Temperature The temperature grades are A (the high- est), B, and C, representing the tire’s resis- tance to the generation of heat and its ability to dissipate heat when tested under controlled conditions on a specified indoor laboratory test wheel. Sustained high tem- perature can cause the material of the tire to degenerate and reduce tire life, and excessive temperature can lead to sudden tire failure. The grade C corresponds to a level of performance which all passenger car tires must meet under the Federal Motor Vehicle Safety Standard No. 109. Grades B and A represent higher levels of performance on the laboratory test wheel than the minimum required by law.

Operation Tires and wheels

Treadwear The treadwear grade is a comparative rat- ing based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For ex- ample, a tire graded 150 would wear one and one-half (1 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon the actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.

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Warning!

Tire ply material

The temperature grade for this tire is estab- lished for a tire that is properly inflated and not overloaded. Excessive speed, underin- flation, or excessive loading, either sepa- rately or in combination, can cause excessive heat build-up and possible tire failure.

1 Plies in sidewall 2 Plies under tread

i For illustration purposes only. Actual data on tires are specific to each vehicle and may vary from data shown in above illustration.

This marking tells you about the type of cord and number of plies in the sidewall and under the tread.

Operation Tires and wheels

Tire and loading terminology

Accessory weight The combined weight (in excess of those standard items which may be replaced) of automatic transmission, power steering, power brakes, power windows, power seats, radio, and heater, to the extent that these items are available as factory-installed equipment (whether installed or not).

Air pressure The amount of air inside the tire pressing outward on each square inch of the tire. Air pressure is expressed in pounds per square inch (psi), or kilopascal (kPa) or bars.

Aspect ratio Dimensional relationship between tire section height and section width expressed in percentage.

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Operation Tires and wheels

Bar Another metric unit for air pressure. There are 14.5038 pounds per square inch (psi) to 1 bar; there are 100 kilopascals (kPa) to 1 bar.

Bead The tire bead contains steel wires wrapped by steel cords that hold the tire onto the rim.

Cold tire inflation pressure Tire inflation pressure when your vehicle has been sitting for at least 3 hours or driven no more than 1 mile (1.6 km).

Curb weight The weight of a motor vehicle with stan- dard equipment including the maximum capacity of fuel, oil, and coolant, and, if so equipped, air conditioning and additional optional equipment, but without passen- gers and cargo.

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DOT (Department of Transportation) A tire branding symbol which denotes the tire meets requirements of the U.S. Department of Transportation.

GAWR (Gross Axle Weight Rating) The GAWR is the maximum permissible axle weight. The gross vehicle weight on each axle must never exceed the GAWR for the front and rear axle indicated on the certification label located on the driver’s door B-pillar.

GVW (Gross Vehicle Weight) The GVW comprises the weight of the vehicle including fuel, tools, spare wheel, installed accessories, passengers and cargo and, if applicable, trailer tongue load. The GVW must never exceed the GVWR indicated on the certification label located on the driver’s door B-pillar.

GVWR (Gross Vehicle Weight Rating) This is the maximum permissible vehicle weight of the fully loaded vehicle (weight of the vehicle including all options, passen- gers, fuel, and cargo and, if applicable, trailer tongue load). It is indicated on certi- fication label located on the driver’s door B-pillar.

Kilopascal (kPa) The metric unit for air pressure. There are 6.9 kPa to 1 psi; another metric unit for air pressure is bars. There are 100 kilopascals (kPa) to 1 bar.

Maximum load rating The maximum load in kilograms and pounds that can be carried by the tire.

Maximum loaded vehicle weight The sum of curb weight, accessory weight, total load limit and production options weight.

Maximum tire inflation pressure This number is the greatest amount of air pressure that should ever be put in the tire under normal driving conditions.

Normal occupant weight The number of occupants the vehicle is designed to seat, multiplied by 68 kilograms (150 lbs).

Occupant distribution The distribution of occupants in a vehicle at their designated seating positions.

Production options weight The combined weight of those installed regular production options weighing over 5 lbs (2.3 kilograms) in excess of those standard items which they replace, not previously considered in curb weight or accessory weight, including heavy duty brakes, ride levelers, roof rack, heavy duty battery, and special trim.

PSI (Pounds per square inch) A standard unit of measure for air pressure -> bar, kilopascal (kPa).

Recommended tire inflation pressure Recommended tire inflation pressure for normal driving conditions is listed on the Tire and Loading Information placard locat- ed on the driver’s door B-pillar. Provides best handling, tread life and riding com- fort. If so equipped, supplemental informa- tion pertaining to special driving situations can be found on the tire inflation pressure label on the inside of the fuel filler flap.

Rim A metal support for a tire or a tire and tube assembly upon which the tire beads are seated.

Sidewall The portion of a tire between the tread and the bead.

Operation Tires and wheels

TIN (Tire Identification Number) Unique identifier which facilitates efforts by tire manufacturers to notify purchasers in recall situations or other safety matters concerning tires and gives purchases the means to easily identify such tires. The TIN is comprised of “Manufacturer’s identifica- tion mark”, “Tire size”, “Tire type code” and “Date of manufacture”.

Tire load rating Numerical code associated with the maximum load a tire can support.

Tire ply composition and material used This indicates the number of plies or the number of layers of rubber-coated fabric in the tire tread and sidewall. Tire manufac- turers also must indicate the ply materials in the tire and sidewall, which include steel, nylon, polyester, and others.

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Operation Tires and wheels

Tire speed rating Part of tire designation; indicates the speed range for which a tire is approved.

Total load limit Rated cargo and luggage load plus 68 kilograms (150 lbs) times the vehicle’s designated seating capacity.

Traction Force exerted by the vehicle on the road via the tires. The amount of grip provided.

Tread The portion of a tire that comes into contact with the road.

Treadwear indicators Narrow bands, sometimes called “wear bars” that show across the tread of a tire when only 1/16 in (1.6 mm) of tread remains.

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Uniform Tire Quality Grading Standards A tire information system that provides consumers with ratings for a tire’s traction, temperature and treadwear. Ratings are determined by tire manufacturers using government testing procedures. The ratings are molded into the sidewall of the tire.

Vehicle maximum load on the tire Load on an individual tire that is determined by distributing to each axle its share of the maximum loaded vehicle weight and dividing it by two.

Rotating tires

Warning!

Rotate front and rear wheels only if they are of the same size. If your vehicle is equipped with mixed-size tires (different tire dimensions front vs. rear), tire rotation is not possible.

Tire rotation can be performed on vehicles with tires of the same dimension all around. If your vehicle is equipped with tires of the same dimension all around, tires can be rotated, observing a front-to-rear rotation pattern that will maintain the intended rotation (spinning) direction of the tire (컄 page 295). In some cases, such as when your vehicle is equipped with mixed-size tires (different tire dimension front vs. rear), tire rotation is not possible.

If applicable to your vehicle’s tire configu- ration, tires can be rotated according to the tire manufacturer’s recommended in- tervals in the tire manufacturer’s warranty pamphlet located in your vehicle literature portfolio. If none is available, tires should be rotated every 3000 to 6000 miles (5000 to 10000 km), or sooner if neces- sary, according to the degree of tire wear. The same rotation (spinning) direction must be maintained (컄 page 295).

Rotate tires before the characteristic tire wear pattern becomes visible (shoulder wear on front tires and tread center wear on rear tires). Thoroughly clean the mounting face of wheels and brake disks, i.e. the inner side of the wheels/tires, during each rotation. Check for and ensure proper tire inflation pressure.

Warning!

Have the tightening torque checked after changing a wheel. Wheels could become loose if not tightened with a torque of 96 lb-ft (130 Nm).

Only use Genuine Mercedes-Benz wheel bolts specified for your vehicle’s rims.

For information on wheel change, see the “Practical hints” section (컄 page 393) and (컄 page 412).

Operation Tires and wheels

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Operation Winter driving

Before the onset of winter, have your vehicle winterized at an authorized Mercedes-Benz Center. This service includes: 앫 Check of anticorrosion and antifreeze

concentration

앫 Addition of cleaning concentrate to the water of the windshield and headlamp cleaning system Add MB Concentrate “S” to a premixed washer solvent/antifreeze which is for- mulated for temperatures below freez- ing point (컄 page 455).

앫 Battery test

Battery capacity drops with decreasing ambient temperature. A well charged battery helps to make sure that the engine can be started, even at low am- bient temperatures.

앫 Tire change

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Winter tires

Always use winter tires at temperatures below 45°F (7°C) and whenever wintry road conditions prevail. Not all M+S rated tires provide special winter performance. Make sure the tires you use show the mountain/snowflake.marking on the tire sidewall. These tires meet specific snow traction performance requirements of the Rubber Manufacturers Association (RMA) and The Rubber Association of Canada (RAC) and have been designed specifically for use in snow conditions. Use of winter tires is the only way to achieve the maximum effectiveness of the ABS and ESP® in winter operation. For safe handling, make sure that all mounted winter tires are of the same make and have the same tread design.

Warning!

Winter tires with a tread depth of less than 1/6 in (4 mm) must be replaced. They are no longer suitable for winter operation.

Always observe the speed rating of the winter tires installed on your vehicle. If the maximum speed for which your tires are rated is below the speed rating of your ve- hicle, you must place a notice to this effect where it will be seen by the driver. Such notices are available at your tire dealer or any authorized Mercedes-Benz Center.

Warning!

Snow chains

If you use your spare tire when winter tires are fitted on the other wheels, be aware that the difference in tire characteristics may very well impair turning stability and that overall driving stability may be reduced. Adapt your driving style accordingly.

Have the spare tire replaced with a winter tire at the nearest authorized Mercedes-Benz Center.

Block heater* (Canada only)

The engine is equipped with a block heater. The electrical cable may be installed at an authorized Mercedes-Benz Center.

! When driving with snow chains, always se- lect the raised level of the level control system Airmatic (컄 page 230). Other settings may result in damage to your vehicle.

! Some tire sizes do not leave adequate clear- ance for snow chains. To help avoid serious dam- age to your vehicle or tires, make sure that the use of snow chains is permissible as specified in the “Technical data” section of this Operator’s Manual, see “Rims and tires” (컄 page 438). Snow chains should only be driven on snow-covered roads at speeds not to exceed 30 mph (50 km/h). Remove chains as soon as possible when driving on roads without snow. Please observe the following guidelines when using snow chains: 앫 Use of snow chains is not permissible

with all wheel/tire combinations (컄 page 438).

앫 Use snow chains in pairs and on rear wheels only. Follow the manufacturer’s mounting instructions.

Operation Winter driving

! If snow chains are mounted to the front wheels, they may scrape against the body or axle components. The tires or the vehicle could be damaged as a result. 앫 Only use snow chains that are ap-

proved by Mercedes-Benz. Any authorized Mercedes-Benz Center will be glad to advise you on this subject.

앫 Use of snow chains may be prohibited depending on location. Always check local and state laws before installing snow chains.

앫 Do not use snow chains on the spare

wheel (컄 page 445).

i When driving with snow chains, you may wish to deactivate the ESP® (컄 page 94) before setting the vehicle in motion. This will improve the vehicle’s traction.

i CLS 63 AMG: Do not switch off the ESP® when driving in snow or with snow chains mounted.

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Operation Maintenance

We strongly recommend that you have your vehicle serviced by an authorized Mercedes-Benz Center, in accordance with the Maintenance Booklet at the times called for by the maintenance service indicator.

! Failure to have the vehicle maintained in ac- cordance with the Maintenance Booklet and maintenance service indicator at the designated times/mileage will result in vehicle damage not covered by the Mercedes-Benz Limited Warranty.

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Maintenance service indicator message

The maintenance service indicator will notify you when the next maintenance ser- vice is due. Starting approximately 1 month before the next maintenance service is due, one of the following messages will appear in the multifunction display while you are driving or when you switch on the ignition (exam- ple service A):

Service A Due In XXXX Miles (km) Service A Due In XX Days Service A Due In X Day Service A Due Now

The maintenance services will be indicated by showing a service type A through type H in the multifunction display. Types A through H are classified based on estimat- ed time needed to perform the mainte- nance service, ranging: from

Service A (approx. 1 hour)

to

Service H (approx. 8 hours)

Refer to Maintenance Booklet for a listing of maintenance services and intervals they need to be performed at.

i The Maintenance System in your vehicle tracks distance driven and the time elapsed since the last maintenance service and calcu- lates other maintenance service work required.

Clearing the maintenance service indicator The maintenance service indicator mes- sage is automatically cleared 앫 after approximately 10 seconds, when

you switch on the ignition or when reaching the service threshold while driving

앫 after approximately 30 seconds, once

the suggested maintenance service term has passed

You can also clear it yourself.

1 Reset button

왘 Press the reset button 1 on the

instrument cluster. The maintenance service indicator message is cleared and the standard display appears in the multifunction display (컄 page 145).

Maintenance service term exceeded If you have exceeded the suggested maintenance service term, you will see the following message in the multifunction display:

Service A Exceeded By XXXXX Miles (km) Service A Exceeded By XXX Days Service A Exceeded By X Day In addition, a signal sounds when the message appears. Any authorized Mercedes-Benz Center will reset the maintenance service indicator following a completed maintenance service.

Operation Maintenance

Calling up the maintenance service indicator

i The menu overview can be found on (컄 page 143). You can call up the maintenance service in- dicator display, in the multifunction dis- play, every time, to check when the next maintenance service is due. 왘 Switch on the ignition (컄 page 38). 왘 Press button è or ÿ on the mul-

tifunction steering wheel repeatedly until the standard display appears in the multifunction display (컄 page 139).

왘 Press button k or j until the

maintenance service indicator display with the service symbol 9 and the service deadline appears in the multi- function display.

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Operation Maintenance

i If the battery is disconnected, the days of disconnection will not be included in the count shown by the maintenance service indicator. To arrive at the true maintenance service deadline, you will need to subtract these days from the days shown in the maintenance service indicator message or the maintenance service indicator display. Do not confuse the maintenance service indica- tor with the engine oil level indicator :.

i If the maintenance service indicator was in- advertently reset, have an authorized Mercedes-Benz Center correct it. Only reset if the proper maintenance service has been performed. Resetting the system without performing the proper service as called for by the maintenance service indicator will result in engine damage and/or other vehicle damage not covered by the Mercedes-Benz Limited Warranty.

Resetting the maintenance service indicator

In the event that the maintenance service on your vehicle is not carried out by an au- thorized Mercedes-Benz Center, you can have the maintenance service indicator re- set. The automotive maintenance facility carrying out the maintenance service will find the information for resetting the main- tenance service indicator in the mainte- nance-relevant information for your vehicle. Such information is available from any authorized Mercedes-Benz Center or directly from Mercedes-Benz.

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왔 Vehicle care Cleaning and care of vehicle

Regular and proper care will help to main- tain the value of your vehicle. The best way to protect your vehicle from harmful envi- ronmental influences is to wash it and use protective treatments regularly.

Warning!

Many cleaning products can be hazardous. Some are poisonous, others are flammable. Always follow the instructions on the partic- ular container. Always open your vehicle’s doors or windows when cleaning the inside.

Never use fluids or solvents that are not de- signed for cleaning your vehicle.

Always lock away cleaning products and keep them out of reach of children.

While in operation, even while parked, your vehicle is subjected to varying external in- fluences which, if gone unchecked, can at- tack the paintwork as well as the vehicle underbody and cause lasting damage.

Such damage is caused not only by ex- treme and varying climatic conditions, but also by: 앫 Air pollution 앫 Road salt 앫 Tar 앫 Gravel and stone chipping To avoid paint damage, you should imme- diately remove: 앫 Grease and oil 앫 Fuel 앫 Coolant 앫 Brake fluid 앫 Bird droppings 앫 Insects 앫 Tree resins etc. Frequent washing reduces and/or elimi- nates the aggressiveness and potency of the above adverse influences.

Operation Vehicle care

More frequent washings are necessary to deal with unfavorable conditions: 앫 near the ocean 앫 in industrial areas (smoke, exhaust

emissions)

앫 during winter operation You should check your vehicle from time to time for stone chipping or other damage. Any damage should be repaired as soon as possible to prevent corrosion. In doing so, do not neglect the underbody of the vehicle. A prerequisite for a thor- ough check is a washing of the underbody followed by a thorough inspection. Dam- aged areas need to be re-undercoated.

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Operation Vehicle care

Your vehicle has been treated at the facto- ry with a wax-base rustproofing in the body cavities which will last for the lifetime of the vehicle. Post-production treatment is neither necessary nor recommended by Mercedes-Benz because of the possibility of incompatibility between materials used in the production process and others ap- plied later. We have selected car-care products and compiled recommendations which are specially matched to our vehicles and which always reflect the latest technology. You can obtain Mercedes-Benz approved car-care products at an authorized Mercedes-Benz Center. Scratches, corrosive deposits, corrosion or damage due to negligent or incorrect care cannot always be removed or repaired with the car-care products recommended here. In such cases it is best to seek aid at an authorized Mercedes-Benz Center.

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The following topics deal with the cleaning and care of your vehicle and give important “how-to” information as well as references to Mercedes-Benz approved car-care products.

Tar stains Quickly remove tar stains before they dry and become more difficult to remove. A tar remover is recommended.

Power washer

! Follow the instructions provided by the pow- er washer manufacturer on maintaining a dis- tance between the vehicle and the nozzle of the power washer. Never use a round nozzle to power-wash tires. The intense jet of water can result in damage to the tire. Always replace a damaged tire. Always keep the jet of water moving across the surface. Do not aim directly at electrical parts, electrical connectors, seals, or other rubber parts.

i Vehicles with KEYLESS-GO*: If a door handle is hit by a strong jet of water, and a SmartKey with KEYLESS-GO* is in close prox- imity, i.e. within approximately 3 ft (approxi- mately 1 m), the vehicle could be inadvertently locked or unlocked.

Operation Vehicle care

Engine cleaning Prior to cleaning the engine compartment, make sure to protect electrical compo- nents and connectors from contact with water and cleaning agents. Corrosion protection, such as MB Anticor- rosion Wax, should be applied to the en- gine compartment after every engine cleaning. Before applying, all control link- age bushings and joints should be lubricat- ed. The poly-V-belt and all pulleys should be protected from any wax.

Vehicle washing In the winter, thoroughly remove all traces of road salt as soon as possible. When washing the vehicle underbody, do not forget to clean the inner sides of the wheels.

i Vehicles with KEYLESS-GO*: If a door handle is hit by a strong jet of water, and a SmartKey with KEYLESS-GO* is in close prox- imity, i.e. within approximately 3 ft (approxi- mately 1 m), the vehicle could be inadvertently locked or unlocked.

Paintwork, painted body components

! Affixing stickers, magnets, adhesive tape or similar materials to painted body components may damage the paintwork.

Mercedes-Benz approved Paint Care should be applied when water drops on the paint surface do not “bead up”. This should normally be done every 3 to 5 months, de- pending on the climate and washing deter- gent used. Mercedes-Benz approved Paint Cleaner should be applied if the paint surface shows signs of embedded dirt (i.e. loss of gloss). Do not apply any of these products or wax if your vehicle is parked in the sun or if the hood is still hot. 왘 Use the appropriate MB-Touch-Up

Stick for quick and provisional repairs of minor paint damage (i.e. chips from stones, vehicle doors, etc.).

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Operation Vehicle care

Hand-wash Do not use hot water or wash your vehicle in direct sunlight. 왘 Only use a mild car wash detergent,

such as Mercedes-Benz approved Car Shampoo.

왘 Thoroughly spray the vehicle with a dif-

fused jet of water. Direct only a very weak spray towards the ventilation intake.

왘 Use plenty of water and rinse the sponge and chamois frequently.

왘 Rinse with clean water and thoroughly

dry with a chamois. Do not allow cleaning agents to dry on the finish.

! Do not use scouring agents on these parts. Never apply strong force and only use a soft, non-scratching cloth when cleaning the vehicle. Do not attempt to wipe the surface with a dry cloth or sponge. Otherwise you may scratch or damage the paint.

Automatic car wash You can have your car washed in an auto- matic car wash from the start. Automatic car washes without brushes are prefera- ble. 왘 To protect the filter system, switch the automatic climate control to air recir- culation mode (컄 page 190) or (컄 page 191).

! Do not clean your vehicle in an automatic touchless car wash which uses caustic spray. Otherwise the caustic spray will damage the paint or ornamental moldings.

If the vehicle is very dirty, prewash it be- fore running it through the automatic car wash.

! Make sure that the windshield wiper switch is set to 0 (컄 page 56). Otherwise, e.g. the rain sensor could activate and cause the wipers to move unintentionally. This may lead to vehicle damage. Due to the width of the vehicle, fold in exterior rear view mirrors prior to running the vehicle through an automatic car wash to prevent dam- age to the mirrors.

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i After running the vehicle through an auto- matic car wash, wipe any wax off of the wind- shield (컄 page 338). This will prevent smears and reduce wiping noise which can be caused by residual wax on the windshield. When leaving the car wash, make sure that the mirrors are folded out. Otherwise they may vi- brate.

Ornamental moldings For regular cleaning and care of ornamen- tal moldings, use a damp cloth.

! Do not use chrome cleaner on ornamental moldings. Although ornamental moldings may have chrome appearance, they could be made of anodized aluminum that will be damaged when cleaned with chrome cleaner. Instead, use a damp cloth to clean those ornamental moldings. For very dirty ornamental moldings of which you are sure are chrome-plated, use a chrome clean- er. If in doubt whether an ornamental molding is chrome-plated, contact an authorized Mercedes-Benz Center.

Headlamps, tail lamps, side markers, turn signal lenses 왘 Use a mild car wash detergent, such as

Mercedes-Benz approved Car Shampoo, with plenty of water.

! Only use window cleaning solutions that are suitable for plastic lamp lenses. Window clean- ing solutions which are not suitable may damage the plastic lamp lenses of the headlamps. There- fore, do not use abrasives, solvents or cleaners that contain solvents. Never apply strong force and only use a soft, non-scratching cloth when cleaning the lenses. Do not attempt to wipe dirty lenses with a dry cloth or sponge. Otherwise you may scratch or damage the lens surface.

Operation Vehicle care

Cleaning the Distronic* system sensor cover

왘 Restart the engine after cleaning sen-

sor cover 1.

Cleaning the Parktronic* system sensors

1 Distronic system sensor cover 왘 Switch off the ignition (컄 page 60). 왘 Use a mild car wash detergent, such as

Mercedes-Benz approved Car Sham- poo, with plenty of water and a non-scratching cloth to clean sensor cover 1.

! To prevent scratches or damage, never ap- ply strong force and only use a soft, non-scratch- ing cloth when cleaning the sensor cover 1. Do not attempt to wipe dirty sensors with a dry cloth or sponge.

1 Parktronic system* sensors in the front

bumper

왘 Use a mild car wash detergent, such as

Mercedes-Benz approved Car Sham- poo, with plenty of water and a soft, non-scratching cloth to clean sensors 1 on the bumpers.

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Operation Vehicle care

! Do not apply strong pressure to the sensor covers. Applying strong pressure may damage the sensor covers. Follow the instructions provided by the power washer manufacturer on maintaining a distance between the vehicle and the nozzle of the power washer.

! To prevent scratches, never apply strong force and only use a soft, non-scratching cloth when cleaning the sensors. Do not attempt to wipe dirty sensors with a dry cloth or sponge.

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Cleaning the windows and the wiper blades

Warning!

! The windshield wipers must be in a vertical position before folding them away from the wind- shield. They could otherwise damage the hood. Never open the hood when the wiper arms are folded forward. 왘 Make sure the hood is fully closed. 왘 Switch on the ignition (컄 page 38). 왘 Turn combination switch to wiper

setting u (컄 page 56).

왘 With wiper arms in vertical position,

switch off the ignition (컄 page 60).

For safety reasons, switch off wipers and re- move SmartKey from starter switch (vehi- cles with KEYLESS-GO*: Make sure the vehicle’s on-board electronics have status 0) before cleaning the windshield and/or the wiper blades. Otherwise, the wiper motor could suddenly turn on and cause injury.

! Do not pull on the wiper blade inserts. They could tear. 왘 Fold the wiper arms forward until they

snap into place.

왘 Clean the wiper blade inserts with a

clean cloth and detergent solution.

왘 Use a soft, clean cloth and a mild win-

dow cleaning solution on all outside and inside glass surfaces. An automotive glass cleaner is recom- mended.

! Fold the windshield wiper arms back onto the windshield before turning the SmartKey in the starter switch or pressing the KEYLESS-GO start/stop button (vehicles with KEYLESS-GO*). Hold on to the wiper when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield.

! To clean the window interior, do not use a dry cloth, abrasives, solvents or cleaners con- taining solvents. Do not touch the inside of the front, rear or side windows with hard objects such as an ice scraper or ring. Doing so may damage the windows.

Light alloy wheels If possible, clean wheels once a week. 왘 Use Mercedes-Benz approved Wheel Care, a soft bristle brush and a strong spray of water for cleaning the light al- loy wheels.

! Only use acid-free cleaning materials. Acid may cause corrosion or damage the clear coat.

! The vehicle should not be parked for an ex- tended period of time immediately after it has been cleaned, especially not after the wheel rims have been cleaned with wheel rim cleaner. Wheel rim cleaners can lead to increased corro- sion of the brake disks and brake pads. Non-approved wheel cleaners may also damage the wheel paint if the car is not driven after cleaning. Therefore, the vehicle’s brake system should always be warmed-up before it is parked after cleaning. To do so, please drive your vehicle for several minutes to allow the brakes to dry. When applying Mercedes-Benz approved Tire Care and Mercedes-Benz approved Wheel Care products, take care not to spray them on the brake disks.

Operation Vehicle care

Plastic and rubber parts 왘 Use a gentle dishwashing detergent or mild detergent for delicate fabrics as a washing solution.

왘 Wipe with a cloth moistened in a luke-

warm solution. The surface may temporarily change color. If this is the case, wait for it to dry.

Warning!

Do not use cleaners or cockpit care sprays containing solvents to clean the cockpit or the steering wheel. Cleaners containing sol- vents will make the surface porous and vehi- cle occupants could suffer serious injuries from plastic parts coming loose in the event of air bag deployment.

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Operation Vehicle care

! Do not use oil, wax or scouring agents on these parts. Never apply strong force and only use a soft, non-scratching cloth when cleaning the surface. Do not attempt to wipe the surface with a dry cloth or sponge. Otherwise you may scratch or damage the sur- face.

Hard plastic trim items 왘 Use Mercedes-Benz approved Interior Care, a soft, lint-free cloth and apply with light pressure.

! Never apply strong force and only use a soft, non-scratching cloth when cleaning the surface. Do not attempt to wipe the surface with a dry cloth or sponge. Otherwise you may scratch or damage the sur- face.

Steering wheel and gear selector lever 왘 Wipe with a damp cloth and dry thor- oughly or clean with Mercedes-Benz approved Leather Care.

Carpets 왘 Use Mercedes-Benz approved Carpet and Fabric Care for cleaning the car- pets.

Headliner and shelf below rear window 왘 Use a soft bristle brush or a dry-sham- poo cleaner in case of excessive dirt.

Seat belts 왘 Only use clear, lukewarm water and

soap.

! The seat belts must not be treated with chemical cleaning agents. Do not dry the seat belts at temperatures above 176°F (80°C) or in direct sunlight.

Warning!

Do not bleach or dye seat belts as this may severely weaken them. In a crash they may not be able to provide adequate protection.

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Upholstery Using aftermarket seat covers or wearing clothing that have the tendency to give off coloring (e.g. when wet, etc.) may cause the upholstery to become permanently dis- colored. By lining the seats with a proper intermediate cover, contact-discoloration will be prevented.

Warning!

Only use seat or head restraint covers which have been tested and approved by Mercedes-Benz for your vehicle model. Using other seat or head restraint covers may interfere with or prevent the activation of the active head restraints. Contact an authorized Mercedes-Benz Center for availability.

Leather upholstery Please note that leather upholstery is a natural product and is therefore subject to a natural aging process. Leather uphol- stery may also react to certain ambient in- fluences such as high humidity or high temperature by showing wrinkles for ex- ample. 왘 Wipe leather upholstery with a damp cloth and dry thoroughly or clean with Mercedes-Benz approved Leather Care.

! Wipe with light pressure to avoid damage to the upholstery.

Exercise particular care when cleaning per- forated leather as its underside should not become wet.

Wood trims 왘 Dampen cloth using water and use

damp cloth to clean wood trims in your vehicle.

! Do not use solvents like tar remover or wheel cleaner nor polishes or waxes as these may be abrasive.

Chrome-plated exhaust tip* Regular cleaning and care of chrome-plat- ed exhaust tips will help to maintain their shine and the classy appearance. 왘 Use Mercedes-Benz approved Chrome Polishing Paste each time the vehicle has been washed, especially during the winter.

! Do not use alkaline cleaners such as wheel cleaners as they could cause corrosion.

Operation Vehicle care

341

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Practical hints

What to do if … Where will I find...? Unlocking/locking in an emergency Resetting activated head restraints Replacing SmartKey batteries Replacing bulbs Replacing wiper blades Flat tire Battery Jump starting Towing the vehicle Fuses

343

Practical hints What to do if …

Lamps in instrument cluster

Problem - The yellow ABS indicator lamp comes on while the engine is running.

344

General information: If any of the following lamps in the instru- ment cluster fails to come on during the

bulb self-check when switching on the igni- tion, have the respective bulb checked and replaced if necessary.

Possible cause/consequence The ABS has detected a malfunction and has switched off. The BAS, EBP, ESP® and PRE-SAFE® are also switched off (see messages in multifunction display). The brake system is still functioning normally but without the ABS available. If the ABS control unit is malfunctioning, other systems such as the Parktronic system*, Dis- tronic*, navigation system*, or the automatic transmission may also be malfunctioning.

The charging voltage has fallen below 10 volts. The ABS has switched off. The battery may not be sufficiently charged.

Suggested solution 왘 Continue driving with added caution. Wheels may lock during hard braking, reducing steering capability.

왘 Read and observe messages in the multifunction display (컄 page 358).

왘 Have the system checked at an autho- rized Mercedes-Benz Center as soon as possible.

Failure to follow these instructions in- creases the risk of an accident. When the voltage is above this value again, the ABS is operational again and the ABS indicator lamp should go out. If the ABS indicator lamp does not go out: 왘 Have the generator (alternator) and

battery checked.

Problem v The yellow ESP® warning lamp comes on while the engine is running.

Possible cause/consequence The ESP® is deactivated. Risk of accident! When the ESP® is switched off it will not sta- bilize the vehicle if the system recognizes that the vehicle starts to skid or that a wheel is spinning. The ESP® is not operational due to a malfunc- tion. Risk of accident!

Practical hints What to do if …

Suggested solution 왘 Switch the ESP® back on (컄 page 96)

Exceptions: (컄 page 94).

If the ESP® cannot be switched back on, have the system checked at an autho- rized Mercedes-Benz Center as soon as possible.

왘 Observe additional messages in the

multifunction display.

왘 Continue driving with added caution. 왘 Adapt your speed and driving to the

prevailing road and weather condi- tions.

왘 Have the system checked at an autho- rized Mercedes-Benz Center as soon as possible.

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Practical hints What to do if …

Problem v The yellow ESP® warning lamp flashes while driving.

Possible cause/consequence The ESP® or traction control has come into operation because of detected traction loss in at least one tire. The cruise control and the Distronic* system are deactivated.

Suggested solution 왘 When driving off, apply as little throttle as

possible.

왘 While driving, ease up on the accelerator. 왘 Adapt your speed and driving to the pre-

vailing road and weather conditions.

왘 Do not deactivate the ESP®.

Exceptions: (컄 page 94).

Failure to follow these instructions increases the risk of an accident.

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Practical hints What to do if …

Problem ; (USA only) 3 (Canada only)

The red brake warning lamp comes on while driving and you hear a warning sound.

Possible cause/consequence You are driving with the parking brake set.

Suggested solution 왘 Release the parking brake.

; (USA only) 3 (Canada only)

There is insufficient brake fluid in the reservoir.

왘 Risk of accident! Do not drive any further. Consult a Mercedes-Benz Service Center. Under no circum- stances should you top up the brake fluid. This will not solve the problem.

The red brake warning lamp comes on while the engine is running and you hear a warning sound.

Warning!

Driving with the brake warning lamp illumi- nated can result in an accident. Have your brake system checked immediately if the brake warning lamp stays on. Do not add brake fluid before checking the brake system.

Overfilling the brake fluid reservoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned.

! If you find that the brake fluid in the brake fluid reservoir has fallen to the minimum mark or below, have the brake system checked for brake pad thickness and leaks.

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Possible cause/consequence There is a malfunction in: 앫 The fuel management system 앫 The ignition system 앫 The emission control system 앫 Systems which affect emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home (emergency operation) mode.

Suggested solution 왘 Have the vehicle checked as soon as

possible by an authorized Mercedes-Benz Center. An on-board diagnostic connector is used by the service station to link the vehicle to the shop diagnostics system. It allows the accurate identification of system malfunctions through the read- out of diagnostic trouble codes. It is located in the front left area of the foot- well next to the parking brake.

Practical hints What to do if …

Problem ú ±

(USA only) (Canada only) The yellow engine malfunction indicator lamp comes on while driving.

i Some states may by law require you to con- tact a workshop as soon as the engine malfunc- tion indicator lamp comes on. Check local requirements.

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Practical hints What to do if …

Problem ú ±

(USA only) (Canada only) The yellow engine malfunction indicator lamp comes on while driving.

Possible cause/consequence A loss of pressure has been detected in the fuel system. The fuel cap may not be closed properly or the fuel system may be leaky.

Suggested solution 왘 Check the fuel cap. If it is not closed properly: 왘 Close the fuel cap. If it is closed properly: 왘 Have the fuel system checked by an

authorized Mercedes-Benz Center.

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Possible cause/consequence There is insufficient coolant in the reservoir.

Suggested solution 왘 Immediately add coolant to prevent

engine from overheating (컄 page 290).

왘 Have the cooling system checked. 왘 If the coolant temperature is below

248°F (120°C), you can continue driving to the nearest authorized Mercedes-Benz Center.

왘 Avoid high engine loads (e.g. driving

uphill) and stop-and-go driving.

왘 Stop in a safe location as soon as pos- sible and allow the engine and coolant to cool down.

Practical hints What to do if …

Problem D The red coolant temperature warning lamp comes on when the engine is running.

If this warning lamp comes on frequently, there is a leak in the cooling system. If the coolant level is correct, the electric radiator fan may be broken.

D The red coolant temperature warning lamp comes on while driving and you hear a warning sound.

Warning!

Driving when your engine is badly overheat- ed can cause some fluids which may have leaked into the engine compartment to catch fire. You could be seriously burned.

350

The coolant temperature has exceeded 248°F (120°C).

Steam from an overheated engine can cause serious burns which can occur just by open- ing the engine hood. Stay away from the en- gine if you see or hear steam coming from it.

Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine has cooled down.

Problem l The red distance warning lamp

comes on while driving.

l The red distance warning lamp comes on while driving and you hear a warning chime sound.

W The yellow fuel tank reserve

warning lamp comes on while driving.

Possible cause/consequence You are too close to the vehicle in front of you to maintain selected speed. 앫 You are gaining too rapidly on the ve-

hicle ahead of you.

앫 The distance warning system has

recognized a stationary obstacle on your probable line of travel.

The fuel level has gone below the reserve mark.

< The red seat belt telltale comes on for a maximum of 6 seconds after starting the engine.

The seat belt telltale reminds you and your passengers to fasten your seat belts before driving off.

Practical hints What to do if …

Suggested solution 왘 Apply the brakes immediately to increase

the following distance.

왘 Apply the brakes immediately.

왘 Carefully observe the traffic situation. You may need to brake or maneuver to avoid hitting an obstacle.

왘 Refuel at the next gas station

(컄 page 283).

왘 Fasten your seat belts.

Regardless of whether the seat belts are fastened or not, the seat belt telltale al- ways comes on and remains lit for 6 seconds after starting the engine.

< You hear a warning chime for a

maximum of 6 seconds after starting the engine.

You have forgotten to fasten your seat belt.

왘 Fasten your seat belt.

The warning chime stops sounding.

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Practical hints What to do if …

Problem < The red seat belt telltale comes on while the vehicle is standing still and the engine is running or during driving.

Possible cause/consequence You and/or your front passenger have for- gotten to fasten your seat belts.

Suggested solution 왘 Fasten your seat belts.

The seat belt telltale goes out.

< During driving the red seat belt telltale flashes and you addition- ally hear an intermittent warning chime with increasing intensity.

There are items placed on the front passen- ger seat and therefore the system senses the front passenger seat as being occupied.

The vehicle’s speed once exceeded 15 mph (25 km/h) and you and/or your front pas- senger have forgotten to fasten your seat belts. There are items placed on the front passen- ger seat and therefore the system senses the front passenger seat as being occupied.

왘 Remove the items from the front pas-

senger seat and put them in a safe place. The seat belt telltale goes out.

왘 Fasten your seat belts.

The seat belt telltale goes out and the warning chime stops sounding.

왘 Remove the items from the front pas-

senger seat and put them in a safe place. The seat belt telltale goes out and the warning chime stops sounding.

i After 60 seconds with an unfastened seat belt the warning chime stops sounding and the seat belt telltale illuminates continuously. The seat belt telltale will only go out if both, the

driver’s and the front passenger’s seat belt are fastened, or the vehicle is standing still and a front door is opened.

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Problem 1 The red SRS indicator lamp

comes on while driving.

Possible cause/consequence There is a malfunction in the restraint sys- tems. The air bags or emergency tensioning devices (ETDs) could deploy unexpectedly or fail to activate in an accident.

Suggested solution 왘 Drive with added caution to the nearest

authorized Mercedes-Benz Center.

Practical hints What to do if …

Warning!

In the event a malfunction of the SRS is indi- cated as outlined above, the SRS may not be operational. For your safety, we strongly recommend that you contact an authorized Mercedes-Benz Center immediately to have the system checked; otherwise the SRS may not be activated when needed in an acci- dent, which could result in serious or fatal injury, or it might deploy unexpectedly and unnecessarily which could also result in an accident and/or injury to you or to others.

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Practical hints What to do if …

Problem H USA only:

Combination low tire pressure/TPMS malfunction telltale for the TPMS illuminates continuously. Canada only: Low tire pressure telltale for the Advanced TPMS* illuminates continuously.

H USA only:

Combination low tire pressure/TPMS malfunction telltale for the TPMS flashes for 60 seconds and then stays illuminated.

354

Possible cause/consequence The TPMS (USA only) or Advanced TPMS* (Canada only) detects a loss of pressure in at least one tire.

There is a malfunction in the TPMS.

Suggested solution 왘 Carefully bring the vehicle to a halt, avoiding abrupt steering and braking maneuvers. Observe the traffic situa- tion around you.

왘 Read and observe messages in the multifunction display (컄 page 358).

If the tire inflation pressure in the respec- tive tire(s) has (have) been corrected, the combination low tire pressure/TPMS malfunction telltale goes out after few minutes driving. 왘 Read and observe messages in the multifunction display (컄 page 358).

왘 Have the TPMS checked by an

authorized Mercedes-Benz Center.

After the malfunction has been remedied the combination low tire pressure/TPMS malfunction telltale goes out after few minutes driving.

Warning!

Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recom- mended by the vehicle manufacturer on the Tire and Loading Information placard on the driver’s door B-pillar or, if available, the tire inflation pressure label on the inside of the fuel filler flap. If your vehicle has tires of a different size than the size indicated on the Tire and Loading Information placard or the tire inflation pressure label, you should de- termine the proper tire inflation pressure for those tires.

As an added safety feature, your vehicle has been equipped with a tire pressure monitor- ing system (TPMS) that illuminates a low tire pressure telltale when one or more of your tires is significantly underinflated. Accord- ingly, when the low tire pressure telltale illu- minates, you should stop and check your tires as soon as possible, and inflate them to the proper pressure. Driving on a significant- ly underinflated tire causes the tire to over- heat and can lead to tire failure.

Underinflation also reduces fuel efficiency and tire tread life, and may affect the vehi- cle’s handling and stopping ability. Please note that the TPMS is not a substitute for proper tire maintenance, and it is the driv- er’s responsibility to maintain correct tire pressure, even if underinflation has not reached the level to trigger illumination of the TPMS low tire pressure telltale.

Practical hints What to do if …

USA only: Your vehicle has also been equipped with a TPMS malfunction indicator to indicate when the system is not operating properly. The TPMS malfunction indicator is com- bined with the low tire pressure telltale. When the system detects a malfunction, the telltale will flash for approximately 1 minute and then remain continuously illuminated. This sequence will continue upon subse- quent vehicle start-ups as long as the mal- function exists. When the malfunction indicator is illuminated, the system may not be able to detect or signal low tire pressure as intended.

TPMS malfunctions may occur for a variety of reasons, including the installation of replacement or alternate tires or wheels on the vehicle that prevent the TPMS from functioning properly. Always check the TPMS malfunction telltale after replacing one or more tires or wheels on your vehicle to ensure that the replacement or alternate tires and wheels allow the TPMS to continue to function properly.

355

Possible cause/consequence The system is malfunctioning.

Suggested solution 왘 Have the system checked as soon as

possible by an authorized Mercedes-Benz Center.

왘 Read and observe messages in the multifunction display and follow cor- rective steps (컄 page 358).

Practical hints What to do if …

Lamp in center console

Problem 75
The indicator lamp illuminates and remains illuminated with the weight of a typical adult or someone larger than a small individual on the front passenger seat.

Warning!

If the 75 indicator lamp illuminates and remains illuminated with the weight of a typical adult or someone larger than a small individual on the front passen- ger seat, do not have any passenger use the front passenger seat until the system has been repaired.

356

Possible cause/consequence The system is malfunctioning.

Problem 75
The indicator lamp does not illuminate and/or does not remain illuminated with the weight of a typical 12-month-old child in a standard child restraint or less on the front passenger seat.

Practical hints What to do if …

Suggested solution 왘 Make sure that there is nothing between seat cush- ion and child seat and check installation of the child seat.

왘 Make sure that no objects applying supplemental

weight onto the seat are present.

왘 Make sure that no objects which apply forces to the seat are present (e.g. objects such as books, brief- cases etc. lodged behind or around the seat, head restraints pushing against roof etc.). The system may recognize such forces as supplemental weight. 왘 If the light remains out, have the system checked as soon as possible by an authorized Mercedes-Benz Center. Do not transport a child on the front passen- ger seat until the system has been repaired.

왘 Read and observe messages in the multifunction display and follow corrective steps (컄 page 358).

Warning!

If the 75 indicator lamp does not illuminate or remains out with the weight of a typical 12-month-old child

in a standard child restraint or less on the front passenger seat, do not transport a child on the front passenger seat until the system has been repaired.

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Practical hints What to do if …

Vehicle status messages in the multi- function display

Warning and malfunction messages ap- pear in the multifunction display located in the instrument cluster. Certain warning and malfunction messag- es are accompanied by an audible signal. Address these messages accordingly and follow the additional instructions given in this Operator’s Manual. Selecting the vehicle status message memory menu in the control system (컄 page 139) displays both cleared and uncleared messages. High-priority messages appear in the multifunction display in red color.

Certain messages of high priority cannot be cleared from the multifunction display using the reset button (컄 page 26) or button j, k, è or ÿ on the multifunction steering wheel. Other messages of high priority and mes- sages of less immediate priority can be cleared from the multifunction display using the reset button or button j, k, è or ÿ on the multifunction steering wheel. They are then stored in the vehicle status message memory (컄 page 151). Remember that clearing a message will only make the message disappear. Clearing a message will not correct the condition that caused the mes- sage to appear.

Warning!

All categories of messages contain impor- tant information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an autho- rized Mercedes-Benz Center.

Failure to repair condition noted may cause damage not covered by the Mercedes-Benz Limited Warranty, or result in property dam- age or personal injury.

358

Warning!

No messages will be displayed if either the instrument cluster or the multifunction dis- play is inoperative.

As a result, you will not be able to see infor- mation about your driving conditions, such as speed or outside temperature, warn- ing/indicator lamps, malfunction/warning messages or the failure of any systems. Driving characteristics may be impaired.

If you must continue to drive, please do so with added caution. Contact an authorized Mercedes-Benz Center as soon as possible.

i Switching on the ignition causes all instrument cluster lamps (except high beam headlamp indicator lamp and turn signal indica- tor lamps unless activated) as well as the multi- function display to come on. Make sure the lamps and multifunction display are in working order before starting your journey.

On the pages that follow, you will find a compilation of the most important warning and malfunction messages that may ap- pear in the multifunction display. For your convenience the messages are divided into two sections: 앫 Text messages (컄 page 360) 앫 Symbol messages (컄 page 372)

Practical hints What to do if …

359

Practical hints What to do if …

Text messages

Display message ABS

ABS, ESP Inoperative See Operator’s Man.

ABS

ABS, ESP Unavailable See Operator’s Man.

360

Possible cause/consequence The ABS, ESP® as well as PRE-SAFE® have switched off due to a malfunction. BAS is also switched off. The brake system is still functioning nor- mally but without the ABS, BAS, ESP® and PRE-SAFE® available.

The ABS, ESP® as well as PRE-SAFE® were deactivated because of insufficient power supply. The charging voltage has fallen be- low 10 volts. BAS is also switched off. The brake system still functions normally but without ABS, BAS, ESP® and PRE-SAFE® available.

Possible solution 왘 Continue driving with added caution. Wheels will lock during hard braking, reducing steering capability.

왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible.

Failure to follow these instructions increases the risk of an accident. When the voltage is above this value again, the ABS, ESP® and PRE-SAFE® are operational again and the message should disappear. If the message does not disappear: 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible.

Practical hints What to do if …

Display message Cruise Control

--- MPH (USA only) --- Km/h (Canada only)

DISTRONIC --- MPH

(USA only) --- Km/h (Canada only) Inoperative

Possible cause/consequence You have tried to switch on cruise control below a speed of 20 mph (30 km/h).

Possible solution 왘 Drive faster than 20 mph (30 km/h) and save

the speed.

You have tried to switch on Distronic be- low a speed of 20 mph (30 km/h).

왘 Drive faster than 20 mph (30 km/h) and save

the speed.

The Distronic* is malfunctioning or the display is malfunctioning.

왘 Contact an authorized Mercedes-Benz Center

as soon as possible.

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Practical hints What to do if …

Display message DISTRONIC Currently Unavailable See Operator’s Manual

Possible cause/consequence Distronic* is switched off and is tempo- rarily unavailable. Distronic* is deactivated if: 앫 the Distronic* cover in the radiator

grille is dirty

앫 its function is impaired by heavy pre-

cipitation or fog

Possible solution 왘 If necessary, clean the Distronic* cover in the

area of the radiator grille (컄 page 337).

왘 Restart the vehicle. or Distronic* becomes operational again without the engine being restarted when: 앫 dirt on the radiator grille has fallen off while

driving (e.g. slush or snow)

앫 the system recognizes full sensor availability (due to lessening rain or the road surface dry- ing)

앫 the message in the multifunction display disap-

pears

앫 the speed last stored flashes in the display for

5 seconds.

You can operate Distronic* as usual again.

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Practical hints What to do if …

Display message DISTRONIC Currently Unavailable See Operator’s Manual

ESP

Inoperative See Operator’s Man.

Possible cause/consequence Distronic* is deactivated because the functionality is impaired by external in- terferences, e.g. high-frequency sources such as too stations, speed measuring systems etc. Distronic* is deactivated because the Distronic* sensor has not sensed any other vehicles or objects, e.g. road sign or such, for a long time. The ESP® as well as BAS and PRE-SAFE® have detected a malfunction and switched off. The ABS may not be operational. The brake system is still functioning nor- mally but without the ABS, BAS, ESP® and PRE-SAFE® available.

Possible solution 왘 Leave the area of the external interference. 왘 Activate Distronic* again (컄 page 222) when the message DISTRONIC available again ap- pears.

왘 Activate Distronic* again (컄 page 222) when the message DISTRONIC available again ap- pears.

왘 Continue driving with added caution. 왘 Have the system checked at an authorized Mercedes-Benz Center as soon as possible.

Failure to follow these instructions increases the risk of an accident.

Warning!

Distronic cannot take weather conditions into account. Switch off Distronic* or do not turn it on if the sensor is dirty or visibility is

diminished as a result of snow, rain or fog. The distance control may be impaired even before the system is able to detect a dirty sensor. The message

DISTRONIC Currently Unavailable See Operator’s Manual will be displayed in the multifunction display and Distronic* will be turned off.

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Practical hints What to do if …

Display message

Front Passenger Airbag Enabled See Operator’s Manual

364

Possible cause/conse- quence Front passenger front air bag is activated while driving even though a child, small individual, or object below the system’s weight threshold is on the front passenger seat, or the front passenger seat is empty. Ob- jects on the seat or forces act- ing on the seat may make the system sense supplemental weight.

Possible solution

Stop the vehicle in a safe location as soon as possible and check the front passenger seat for the following: 왘 Apply the parking brake. 왘 Switch off the ignition (컄 page 38). 왘 Open the front passenger door. 왘 Remove child and child restraint from front passenger seat and

properly secure the child in rear seat employing the child restraint if necessary.

왘 Remove any other items from on and around the front passenger seat and make sure the storage pocket on the back of the front pas- senger seat is empty.

왘 Make sure that no objects which apply forces to the seat are

present (e.g. objects such as books, briefcases etc. lodged behind or around the seat, head restraints pushing against roof etc.). The