2005 Mercedes-benz G Class Owners Manual

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

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 overheated.

Overinflated tire inflation pressure Overinflated tires can: 앫 adversely affect handling

characteristics

앫 cause uneven tire wear 앫 be more prone to damage from road

hazards

앫 adversely affect ride comfort 앫 increase stopping distance

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Tire labeling

Besides tire name (sales designation) and manufacturer name, a number of markings can be found on a tire. Following are some explanations for the markings on your vehicle’s tires:

1 Uniform Quality Grading Standards

(컄 page 268)

(컄 page 266)

2 DOT, Tire Identification Number (TIN)

3 Maximum tire load (컄 page 267) 4 Maximum tire inflation pressure

(컄 page 268) 5 Manufacturer 6 Tire ply material (컄 page 270) 7 Tire size designation, load and speed

rating (컄 page 261)

8 Load identification (컄 page 265) 9 Tire name

For illustration purposes only. Actual data on tires are specific to each vehi- cle and may vary from data shown in above illustration. For more information, see “Rims and tires” (컄 page 369).

Operation Tires and wheels

Tire size designation, load and speed rating

1 Tire width 2 Aspect ratio in % 3 Radial tire code 4 Rim diameter 5 Tire load rating 6 Tire speed rating

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

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Operation Tires and wheels

General: Depending on the design standards used, the tire size molded into the sidewall may have no letter or a letter preceding the tire size designation. No letter preceding the size designation (as illustrated above): Passenger car tire based on European design standards. Letter “P” preceding the size designation: Passenger car tire based on U.S. design standards. Letter “LT” preceding the size designation: Light Truck tire based on U.S. design standards. Letter “T” preceding the size designation: Temporary spare tires which are high pressure compact spares designed for temporary emergency use only.

Tire width The tire width 1 (컄 page 261) indicates the nominal tire width in mm.

262

Aspect ratio The aspect ratio 2 (컄 page 261) is the dimensional relationship between tire section height and section width and is expressed in percentage. The aspect ratio is arrived at by dividing section height by section width.

Tire code The tire code 3 (컄 page 261) indicates the tire construction type. The “R” stands for radial tire type. Letter “D” means diag- onal or bias ply construction; letter “B” means belted-bias ply construction. At the tire manufacturer’s option, any tire with a speed capability above 149 mph (240 km/h) can include a “ZR” in the size designation (for example: 245/40 ZR 18). For additional information, see “Tire speed rating” (컄 page 263).

Rim diameter The rim diameter 4 (컄 page 261) is the diameter of the bead seat, not the diameter of the rim edge. Rim diameter is indicated in inches (in).

Tire load rating The tire load rating 5 (컄 page 261) is a numerical code associated with the maximum load a tire can support. For example, a load rating of 91 corre- sponds to a maximum load of 1356 lbs (615 kg) the tire is designed to support. See also “Maximum tire load” (컄 page 267) where the maximum load associated with the load index is indicated in kilograms and lbs.

For additional information on tire load rating, see “Load identification” (컄 page 265).

Tire load rating 5 (컄 page 261) and Tire speed rating 6 (컄 page 261) are also referred to as “service descrip- tion”.

Warning

The tire load rating must always be at least half of the GAWR (컄 page 271) of your vehi- cle. Otherwise, tire failure may be the result which may cause an accident and/or seri- ous personal injury to you or others.

Always replace rims and tires with the same designation, manufacturer and type as shown on the original part.

Warning!

Do not overload the tires by exceeding the specified load limit as indicated on the plac- ard located on the driver’s door B-pillar. Overloading the tires can overheat them, possibly causing a blowout. Overloading the tires can also result in handling or steering problems, or brake failure.

Operation Tires and wheels

Tire speed rating The tire speed rating 6 (컄 page 261) indicates the approved maximum speed for the tire.

Warning!

Even when permitted by law, never operate a vehicle at speeds greater than the maximum speed rating of the tires.

Exceeding the maximum speed for which tires are rated can lead to sudden tire failure, causing loss of vehicle control and possibly resulting in an accident and/or personal injury and possible death, for you and for others.

Tire load rating 5 (컄 page 261) and Tire speed rating 6 (컄 page 261) are also referred to as “service descrip- tion”.

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Operation Tires and wheels

Summer tires

Index (Y) ZR

Speed rating up to 100 mph (160 km/h) up to 106 mph (170 km/h) up to 112 mph (180 km/h) up to 118 mph (190 km/h) up to 130 mph (210 km/h) up to 149 mph (240 km/h) up to 168 mph (270 km/h) up to 186 mph (300 km/h) above 186 mph (300 km/h) above 149 mph (240 km/h)

앫 At the tire manufacturer’s option, any

tire with a speed capability above 149 mph (240 km/h) can include a “ZR” in the size designation (for exam- ple: 245/40 ZR18). To determine the maximum speed capability of the tire, the service description for the tire must be referred to. The service description

264

앫 Any tire with a speed capability above 186 mph (300 km/h) must include a “ZR” in the size designation AND the service description must be placed in parenthesis. Example: 275/40 ZR 18 (99Y). The “(Y)” speed rating in paren- thesis designates the maximum speed capability of the tire as being above 186 mph (300 km/h). Consult the tire manufacturer for the actual maximum permissible speed of the tire.

is comprised of the tire load rating 5 (컄 page 261) and the tire speed rating 6 (컄 page 261). If your tire includes “ZR” in the size designation and no service description 5 and 6 (컄 page 261) is given, the tire manufacturer must be consulted for the maximum speed ca- pability. If a service description 5 and 6 (컄 page 261) is given, the speed capa- bility is limited by the speed symbol in the service description. Example: 245/40 ZR18 97Y. In this example, “97Y” is the service description. The letter “Y” designates the speed rating and the speed capabil- ity of the tire is limited to 186 mph (300 km/h).

All-season and winter tires

Load identification

Index Q M+S T M+S H M+S V M+S

Speed rating up to 100 mph (160 km/h) up to 118 mph (190 km/h) up to 130 mph (210 km/h) up to 149 mph (240 km/h)

The marking “M+S” next to the service description designates tires with mud and snow capabilities.

1 Load identification

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

Operation Tires and wheels

In addition to tire load rating, special load information may be molded into the tire sidewall following the letter designating the tire speed rating 1 (컄 page 265). No specification given: absence of any text (like in above example) indicates a standard load (SL) tire. XL (Extra Load): designates an extra load (or reinforced) tire. Light Load: designates a light load tire. C, D, E: designates load range associated with the maximum load a tire can carry at a specified pressure.

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Operation Tires and wheels

DOT, Tire Identification Number (TIN)

U.S. tire regulations require each new tire manufacturer or tire retreader to mold a TIN into or onto a sidewall of each tire produced. The TIN is a unique identifier which facili- tates efforts by tire manufactures to notify purchasers in recall situations or other safety matters concerning tires and gives purchasers the means to easily identify such tires. The TIN is comprised of “Manufacturer’s identification mark”, “Tire size”, “Tire type code” and “Date of manufacture”.

266

DOT (Department of Transportation) A tire branding symbol 1 (컄 page 266) which denotes the tire meets require- ments of the U.S. Department of Transportation.

Manufacturer’s identification mark The manufacturer’s identification mark 2 (컄 page 266) denotes the tire manufacturer. New tires have a mark with two symbols. Retreaded tires have a mark with four sym- bols. For more information on retreaded tires (컄 page 248).

Tire size The code 3 (컄 page 266) indicates the tire size.

1 DOT 2 Manufacturer’s identification mark 3 Tire size 4 Tire type code (at the option of the tire

manufacturer)

5 Date of manufacture

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

Tire type code The code 4 (컄 page 266) may, at the option of the manufacturer, be used as a descriptive code for identifying significant characteristics of the tire.

Date of manufacture The date of manufacture 5 (컄 page 266) identifies the week and year of manufac- ture. The first two figures identify the week, starting with “01” to represent the first full week of the calendar year. The second two figures represent the year. For example, “3202” represents the 32nd week of 2002.

Maximum tire load

1 Maximum tire load rating

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

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

Operation Tires and wheels

Warning!

Do not overload the tires by exceeding the specified load limit as indicated on the plac- ard located on the driver’s door B-pillar. Overloading the tires can overheat them, possibly causing a blowout. Overloading the tires can also result in handling or steering problems, or brake failure.

For more information on tire load rating (컄 page 262). For information on calculating total and cargo load capacities (컄 page 254).

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Operation Tires and wheels

Maximum tire inflation pressure

1 Maximum permissible tire inflation

pressure For illustration purposes only. Actual data on tires are specific to each vehi- cle and may vary from data shown in above illustration.

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

268

Always follow the recommended tire inflation pressure (컄 page 257) 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, adverse- ly affect handling and fuel economy, and are more likely to fail from being overheated.

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 de- bris, 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

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

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.

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.

Operation Tires and wheels

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.

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Operation Tires and wheels

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 ex- cessive 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.

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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

For illustration purposes only. Actual data on tires are specific to each vehi- cle 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.

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.

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 three hours or driven no more than one 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.

Operation Tires and wheels

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.

GTW (Gross Trailer Weight) The GTW is the weight of the trailer plus the weight of all cargo, equipment, luggage etc. loaded on the trailer.

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Operation Tires and wheels

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 GWV must never exceed the GWVR 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 Certification label located on the driver’s door B-pillar.

Kilopascal (kPa) The metric unit for air pressure. There are 6.9 kPa to one psi; another metric unit for air pressure is bars. There are 100 kilopascals (kPa) to one 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, vehicle capacity weight 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, 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 listed on placard located on driver’s door B-pillar for normal driving conditions. Provides best handling, tread life and riding comfort.

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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.

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.

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

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.

Operation Tires and wheels

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.

TWR (Tongue Weight Rating) Maximum permissible weight on trailer tongue.

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

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Operation Tires and wheels

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 the tires are of the same dimension.

If your vehicle is equipped with mixed-size tires (different tire dimensions front vs. rear), tire rotation is not possible.

274

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 a front-to-rear rotation pattern that will maintain the intended rotation (spinning) direction of the tire (컄 page 251). 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 251).

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 97 lb-ft (130 Nm).

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

For information on wheel change, see “Flat tire” (컄 page 346).

Winter tires

Always use winter tires at temperatures below 45°F (7°C) and whenever wintry road conditions prevail. Use of winter tires is the only way to achieve the maximum ef- fectiveness of the ABS, ESP, 4-ETS, and EBP 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 under 1/6 in (4 mm) must be replaced. They are no longer suitable for winter operation.

왔 Winter driving Before the onset of winter, have your vehicle winterized at an authorized Mercedes-Benz Light Truck 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 windshield washer solvent/antifreeze which is formulated for below freezing temperatures (컄 page 380).

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 ambient temperatures. 앫 Tire change. Mercedes-Benz recom-

mends M+S rated radial-ply tires with a minimum tread depth of approximately 1/6 in (4 mm) on all four wheels for the winter season.

Operation Winter driving

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 vehicle, you must place a notice to this effect where it will be seen by the driver. Such notices are available from your tire dealer or from any authorized Mercedes-Benz Light Truck Center.

Warning!

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 Light Truck Center.

275

Operation Winter driving

Block heater (Canada only)

Snow chains

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

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.

When driving with snow chains, you may wish to deactivate the ESP (컄 page 84) before setting the vehicle in motion. This will improve the vehicle’s traction.

Please observe the following guidelines when using snow chains: 앫 Use of snow chains is not permissible

with all wheel/tire combinations.

앫 Snow chains should only be used on the rear wheels. Follow the manufac- turer’s mounting instructions. 앫 Only use snow chains that are

approved by Mercedes-Benz. Your authorized Mercedes-Benz Light Truck 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.

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왔 Maintenance In the “Operation” section you will find de- tailed information on operating, maintain- ing, and caring for your vehicle. We strongly recommend that you have your vehicle serviced by an authorized Mercedes-Benz Light Truck Center, in ac- cordance with the Maintenance Booklet at the times called for by the maintenance service indicator display. Failure to have the vehicle maintained in accordance with the Maintenance Booklet and maintenance service indicator at the designated times/mileage will result in ve- hicle damage not covered by the Mercedes-Benz Limited Warranty. The maintenance service indicator will notify you when your next maintenance service is due.

Operation Maintenance

Starting approximately one month before maintenance service is due, one of the fol- lowing messages will appear in the multi- function display while you are driving or when you switch on the ignition (example service A):

SERVICE A IN XX DAYS SERVICE A IN XX MILES (KM) SERVICE A DUE NOW!

Vehicles equipped with FSS (Flexible Service System) only (Canada vehicles): The interval between mainte- nance services depends on your driving habits. A gentle driving style, moderate engine speeds and the avoidance of short-distance trips will lengthen the interval between maintenance services.

The type of maintenance service due is in- dicated in the speedometer display field: 9 Basic service (A) ½ Extended service (B)

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Operation Maintenance

Clearing the maintenance service indicator

The maintenance service indicator is auto- matically cleared 앫 after ten seconds when you switch on the ignition or when reaching the main- tenance service threshold while driving 앫 after 30 seconds, once the suggested maintenance service term has passed

You can also clear it yourself. 왘 Press the reset button on the instru-

ment cluster (컄 page 25).

Maintenance service term exceeded

If you have exceeded the suggested main- tenance service term, you will see the fol- lowing message in the multifunction display:

SERVICE A EXCEEDED BY XX DAYS SERVICE A EXCEEDED BY XX MILES (KM)

In addition, a signal sounds when the mes- sage appears. Any authorized Mercedes-Benz Light Truck Center will reset the maintenance service indicator following a completed mainte- nance service.

Calling up the maintenance service indicator

왘 Switch on the ignition (컄 page 35).

The standard display of the control sys- tem appears (컄 page 123).

왘 Press button k or j on the mul-

tifunction steering wheel until the maintenance service indicator with the service symbol 9 or ´ and the service deadline appears in the multi- function display.

278

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. Do not confuse the maintenance ser- vice indicator with the engine oil level indicator :.

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 Light Truck Center, you can have the maintenance ser- vice indicator reset. The automotive main- tenance facility carrying out the maintenance service will find the informa- tion for resetting the maintenance service indicator in the maintenance-relevant in- formation for your vehicle. Such informa- tion is available from either your authorized Mercedes-Benz Light Truck Center or directly from Mercedes-Benz.

Operation Maintenance

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

279

Operation Vehicle care

Cleaning and care of the vehicle

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.

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 underbody and cause lasting damage.

280

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.

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. 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 Light Truck 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 au- thorized Mercedes-Benz Light Truck Center. 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.

Power washer When using a power washer for cleaning the vehicle, always observe manufactur- er’s operating instructions.

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 connec- tors, sensors, seals, or other rubber parts.

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

Operation Vehicle care

Paintwork, painted body components Mercedes-Benz approved Paint Care should be applied when water drops on the paint surface do not “bead up”, normally every three to five months, depending on climate and washing detergent used. Mercedes-Benz approved Paint Cleaner should be applied if the paint surface shows signs of dirt embedding (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

Engine cleaning Prior to cleaning the engine compartment, make sure to protect electrical compo- nents and connectors from the intrusion of water and cleaning agents. Corrosion protection, such as MB Anticorrosion Wax should be applied to the engine compartment after every en- gine cleaning. Before applying, all control linkage bushings and joints should be lu- bricated. The poly-V-belt and all pulleys should be protected from any wax.

282

Ornamental moldings For regular cleaning and care of very dirty chrome-plated parts, use a chrome cleaner.

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

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

To prevent scratches, never apply strong force and use only a soft, non-scratchy cloth when cleaning the lenses. Do not at- tempt to wipe dirty lenses with a dry cloth or sponge.

Vehicle washing Do not use hot water or wash your vehicle in direct sunlight. Use only a mild car wash detergent, such as Mercedes-Benz ap- proved Car Shampoo. Thoroughly spray the vehicle with a dif- fused jet of water. Direct only a very weak spray towards the ventilation intake. Use plenty of water and rinse the sponge and chamois frequently. Rinse with clear water and thoroughly dry with a chamois. Do not allow cleaning agents to dry on the finish. Due to the width of the vehicle, fold in ex- terior rear view mirrors prior to running the vehicle through an automatic car wash to prevent damage to the mirrors. In the winter, thoroughly remove all traces of road salt as soon as possible. When washing the underbody, do not for- get to clean the inner sides of the wheels.

Operation Vehicle care

Cleaning the Rear Parking Assist sensors*

Wiper blades 왘 Fold wiper arms forward.

Window cleaning 왘 Fold wiper arms forward.

Warning!

Warning!

For safety reasons, switch off wipers and re- move SmartKey from starter switch before cleaning the wiper blades. Otherwise, the wiper motor can suddenly turn on and cause injury.

For safety reasons, switch off wipers and re- move SmartKey from starter switch before cleaning the windshield. Otherwise, the wip- er motor can suddenly turn on and cause in- jury.

1 Sensor 왘 Use a mild car wash detergent, such as

왘 Clean the wiper blade inserts with a clean cloth and detergent solution.

Mercedes-Benz approved Car Shampoo, with plenty of water to clean sensors 1.

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

Fold the windshield wiper arms back onto the windshield before turning the SmartKey in the starter switch. 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.

왘 Use a window cleaning solution on all

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. 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.

283

Operation Vehicle care

Light alloy wheels Mercedes-Benz approved Wheel Care should be used for regular cleaning of the light alloy wheels. If possible, clean wheels once a week with Mercedes-Benz approved Wheel Care, us- ing a soft bristle brush and a strong spray of water. Follow instructions on container.

Only use acid-free cleaning materials. The acid could lead to corrosion or may damage the clear coat.

284

Instrument cluster Use a gentle dishwashing detergent or mild detergent for delicate fabrics as a washing solution. Wipe with a cloth moist- ened in lukewarm solution. Do not use scouring agents.

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

Cup holder Use a gentle dishwashing detergent or mild detergent for delicate fabrics as a washing solution. Wipe with a cloth moist- ened in lukewarm solution. Do not use scouring agents.

Hard plastic trim items Pour Mercedes-Benz approved Interior Care onto soft lint-free cloth and apply with light pressure.

Headliner Clean with soft bristle brush, or use a dry-shampoo cleaner in case of excessive dirt.

Seat belts The webbing must not be treated with chemical cleaning agents. Use only clear, lukewarm water and soap. Do not dry the webbing 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.

Operation Vehicle care

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.

Leather upholstery Wipe leather upholstery with a damp cloth and dry thoroughly or clean with Mercedes-Benz approved Leather Care. Exercise particular care when cleaning per- forated leather as its underside should not become wet.

Cloth upholstery Clean with soft bristle brush, or use a dry-shampoo cleaner in case of excessive dirt.

MB Tex upholstery Pour Mercedes-Benz approved Interior Care onto soft lint-free cloth and apply with light pressure.

Plastic and rubber parts Do not use oil or wax on these parts.

Illuminated door sill panels Use a gentle dishwashing detergent or mild detergent for delicate fabrics as a washing solution. Wipe with a cloth moist- ened in lukewarm solution. Do not use scouring agents.

Wood trims 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.

285

286

Practical hints What to do if …

Where will I find...?

Unlocking/locking in an emergency

Opening/closing in an emergency

Brush guard*

Replacing SmartKey batteries

Replacing bulbs

Replacing wiper blades

Flat tire

Battery

Jump starting

Towing the vehicle

Fuses

287

Practical hints What to do if …

Lamps in instrument cluster

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 ignition, have the respective bulb checked and re- placed if necessary.

Problem - The yellow ABS indicator lamp

comes on while driving.

Possible cause You engaged the differential locks. The ABS, ESP, BAS, EBB and 4-ETS are switched off.

The ABS has detected a malfunction and has switched off. The ESP, BAS, EBB and 4-ETS are also switched off (see messages in dis- play). If the ABS control unit is malfunctioning, oth- er systems such as the navigation system or Rear Parking Assist* may also malfunction. The brake system is still functioning normally but without the ABS available.

Suggested solution 왘 The driving systems will switch on

again after the differential locks have been disengaged.

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

왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of an accident.

288

Problem - The yellow ABS indicator lamp

comes on while driving.

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

Practical hints What to do if …

Suggested solution 왘 Turn off unnecessary electric con-

sumers. When the battery voltage is above this value again, the ABS is operational again.

왘 Note the messages in the multifunc-

tion display (컄 page 296).

289

Practical hints What to do if …

Problem ; (USA only)

(Canada only) The red brake warning lamp comes on while driving and you hear a warning sound.

Possible cause

Suggested solution

You are driving with the parking brake set.

The red brake warning lamp comes on while driving.

There is insufficient brake fluid in the reser- voir.

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 res- ervoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You could be seriously burned.

290

왘 Release the parking brake

(컄 page 50).

왘 Also note the messages in the multi-

function display (컄 page 296).

왘 Risk of accident! Carefully stop the

vehicle and notify an authorized Mercedes-Benz Light Truck Center. Do not add brake fluid! This will not solve the problem.

왘 Also note the messages in the multi-

function display (컄 page 296).

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.

Problem ; (USA only) - The red brake warning lamp and

(Canada only)

the yellow ABS indicator lamp come on when the engine is run- ning and you hear a warning sound for approximately five sec- onds.

Possible cause The EBB has detected a malfunction and has switched off. You should be prepared for your vehicle to perform differently than normal when braking.

Practical hints What to do if …

Suggested solution 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

왘 Also note the messages in the multi-

function display (컄 page 296).

Failure to follow these instructions in- creases the risk of accidents.

291

Practical hints What to do if …

Problem ? (USA only) ±

(Canada only) The yellow engine mal- function indicator lamp comes on while driving.

292

Possible cause There is a malfunction of: 앫 The fuel management system 앫 The ignition system 앫 The emission control system 앫 Systems which impact emissions Such malfunctions may result in excessive emissions values and may switch the engine to its limp-home mode. Serious damage can occur to the emission system. 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.

Your fuel tank is empty.

Suggested solution 왘 Have the vehicle checked as soon as possi- ble by an authorized Mercedes-Benz Light Truck 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 malfunc- tions through the readout of diagnostic trou- ble codes. It is located near the hood lock release on the upper left of footwell.

왘 Check the fuel cap (컄 page 235). If it is not closed properly: 왘 Close the fuel cap. If it is closed properly: 왘 Have the fuel system checked by an autho-

rized Mercedes-Benz Light Truck Center.

왘 After refueling start, turn off and restart the

engine three or four times in succession. The limp-home mode is canceled. You do not need to have your vehicle checked.

Problem v The yellow ESP warning lamp

comes on and remains on while driving.

Possible cause You engaged the differential locks. The ABS, ESP, BAS, EBB and 4-ETS are switched off.

The ESP is deactivated. Risk of accident! Adapt your speed and driv- ing to the prevailing road conditions.

The ESP is deactivated because of interrupt- ed power supply. The ABS may still be opera- tional. The ESP has to be synchronized. The ESP, ABS, BAS, EBB or 4-ETS has detect- ed a malfunction. All driving systems are switched off. Risk of accident! Adapt your speed and driv- ing to the prevailing road conditions.

Practical hints What to do if …

Suggested solution 왘 The driving systems will switch on

again after the differential locks have been disengaged.

왘 Also note the messages in the multi-

function display (컄 page 296).

왘 Turn the ESP back on (컄 page 87). If the ESP cannot be turned back on, have the system checked at an authorized Mercedes-Benz Light Truck Center as soon as possible. 왘 Note the messages in the multifunc-

tion display (컄 page 296).

왘 Note the messages in the multifunc-

tion display (컄 page 296).

293

Practical hints What to do if …

Problem < The red seat belt telltale illumi- nates briefly after starting the engine.

Possible cause The warning lamp reminds you to fasten seat belts.

Suggested solution 왘 Fasten your seat belt.

The yellow fuel tank reserve warning lamp illuminates while driving.

The fuel level has gone below the reserve mark.

왘 Refuel at the next gas station. 왘 Also note the messages in the multi-

function display (컄 page 296).

The yellow fuel tank reserve warning lamp is blinking. 1 The red SRS indicator lamp

comes on while driving.

The fuel cap is not closed tight.

왘 Check the fuel cap.

There is a malfunction in the restraint sys- tems. The airbags or emergency tensioning device (ETD) could deploy unexpectedly or fail to activate in an accident.

왘 Drive with added caution to the near- est authorized Mercedes-Benz Light Truck Center.

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 visit an authorized Mercedes-Benz Light Truck Center immediately to have the system checked; otherwise the SRS may not be activated when needed in an accident.

This could result in serious or fatal injury, or it might deploy unexpectedly and unneces- sarily which could also result in an accident and/or injury to you or to others.

294

Lamp in center console

Problem 7 The indicator lamp comes on.

7 The indicator lamp does not come on with a BabySmartTM child seat properly installed on the front passenger seat.

Possible cause A BabySmartTM1 child seat is installed on the front passenger seat. Therefore the passen- ger front airbag is switched off. The system is malfunctioning when there is no BabySmartTM child seat installed on the front passenger seat. The system is malfunctioning.

1 BabySmartTM is a trademark of Siemens Automotive Corp.

Practical hints What to do if …

Suggested solution

왘 Have the system checked as soon as

possible by an authorized Mercedes-Benz Light Truck Center. 왘 Make sure there is nothing between seat cushion and child seat and check installation of the child seat.

왘 If the light remains out, have the sys- tem checked as soon as possible by an authorized Mercedes-Benz Light Truck Center. Do not use the BabySmartTM restraint to transport children on the front pas- senger seat until the system has been repaired.

295

Practical hints What to do if …

Vehicle status messages in the multifunction 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 131) displays both cleared and uncleared messages.

296

Warning!

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

High-priority messages appear in the mul- tifunction display in red color. Certain messages of high priority cannot be cleared from the multifunction display using the reset button (컄 page 120) or button j, k, ·, or è on the steering wheel. Other messages of high priority and mes- sages of less immediate priority (regular display colors) can be cleared from the multifunction display using the reset but- ton (컄 page 25) or button j, k, ·, or è on the steering wheel. They are then stored in the vehicle status mes- sage memory (컄 page 131). Remember that clearing a message will only make the message disappear. Clearing a message will not correct the condition that caused the message to appear.

Practical hints What to do if …

Warning!

No messages will be displayed if either the instrument cluster or the multifunction dis- play is inoperative. Systems that have a sig- nificant influence on handling performance may not be functioning.

Contact your nearest authorized Mercedes-Benz Light Truck Center.

Switching on ignition (컄 page 35), causes all instrument cluster lamps (except high beam headlamp indicator lamp and turn signal indicator lamps unless activated) as well as the multi- function display to come on. Make sure the lamps and multifunction display are all 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 298) 앫 Symbol messages (컄 page 302)

297

Practical hints What to do if …

Text messages

Display symbol Display message ABS

ABS SYSTEM VISIT WORKSHOP!

VISIT WORKSHOP! DISPLAY MALFUNCTION:

BAS

BRAKE ASSIST VISIT WORKSHOP!

298

Possible cause The ABS has detected a malfunction and has switched off. The ESP, BAS, EBB and 4-ETS are also deactivated. The brake system is still functioning nor- mally but without the ABS available. Wheels will lock during hard braking, re- ducing steering capability. The ABS or the ABS display is malfunc- tioning. Wheels will lock in hard braking reducing steering capability.

The BAS has detected a malfunction and switched off. The brake system is still functioning nor- mally but without the BAS available. Wheels will lock in hard braking reducing steering capability.

Possible solution 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of accident.

왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of accident. 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of accident.

Display BAS

Display message VISIT WORKSHOP! DISPLAY MALFUNCTION:

Possible cause The BAS or the BAS display is malfunc- tioning.

Practical hints What to do if …

Possible solution 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions increas- es the risk of accident.

You have engaged the differential locks. 왘 The ABS switches on again after the dif-

DIFFERENTIAL LOCK ESP

ABS NOT AVAILABLE DIFFERENTIAL LOCKED VISIT WORKSHOP! DISPLAY MALFUNCTION:

The ESP or the ESP display is malfunc- tioning.

ESP NOT AVAILABLE

The ESP is temporarily unavailable. The self-diagnosis has not been completed.

ferential locks have been disengaged. 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions increas- es the risk of accident. The display will clear itself after driving a short-distance at more than approximately 12 mph (20 km/h).

299

Practical hints What to do if …

Display ESP

Display message ESP NOT AVAILABLE

Possible cause The charging voltage has fallen below 10 volts and the ESP has switched off.

Possible solution 왘 When the voltage is above this value

again, the ESP is operational again.

The ESP is deactivated because of a mal- function or interrupted power supply. The ABS and BAS might not be operational. The system must be resynchronized.

왘 If necessary, have the generator (alter-

nator) and battery checked.

왘 Synchronize the ESP. With vehicle sta-

tionary and the engine running, turn the steering wheel completely to the left and then to the right to synchro- nize the ESP.

If the ESP message does not go out: 왘 Continue driving with added caution. 왘 Visit an authorized Mercedes-Benz Light Truck Center as soon as possi- ble.

Failure to follow these instructions in- creases the risk of accident.

When synchronizing the ESP, make sure you can turn the steering wheel in

both directions as far as it will go with- out the wheels hitting any objects, e.g. a road curb.

300

Display ESP

Display message ESP VISIT WORKSHOP!

Practical hints What to do if …

Possible cause The ESP is switched off due to a malfunc- tion or an interruption in the power sup- ply. The brake system is still functioning nor- mally but without ESP, ABS and BAS avail- able. If in addition the ABS is malfunctioning, only partial engine output will be avail- able.

Possible solution 왘 Continue driving with added caution. 왘 Have the system checked at an autho-

rized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of accident.

301

Practical hints What to do if …

Symbol messages

Display symbol Display message

BATTERY/ALTERNATOR VISIT WORKSHOP!

Possible cause The battery was charged with a battery charger or jump started. The battery is no longer charging. Possible causes: 앫 alternator malfunctioning 앫 broken poly-V-belt

Possible solution 왘 Have the battery checked at a service

station.

왘 Stop immediately and check the

poly-V-belt. If it is broken: 왘 Do not continue to drive. Otherwise the engine will overheat due to an in- operative water pump which may re- sult in serious engine damage not covered by the Mercedes-Benz Limited Warranty. Notify an authorized Mercedes-Benz Light Truck Center.

If it is intact: 왘 Turn off unnecessary electric consum-

ers.

왘 Drive immediately to the nearest

authorized Mercedes-Benz Light Truck Center.

UNDERVOLTAGE ENGINE ON!

The battery has insufficient voltage.

왘 Start the engine.

302

Practical hints What to do if …

Possible cause The battery has insufficient voltage.

Possible solution 왘 Have the battery checked at a ser-

Display symbol

Display message UNDERVOLTAGE SWITCH CONSUMERS OFF! BRAKE WEAR VISIT WORKSHOP! BRAKE FLUID VISIT WORKSHOP!

The brake pads have reached their wear limit. There is insufficient brake fluid in the reservoir.

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.

Warning!

Driving with the last message displayed can result in an accident. Have your brake sys- tem checked immediately.

Do not add brake fluid before checking the brake system. Overfilling the brake fluid res- ervoir can result in spilling brake fluid on hot engine parts and the brake fluid catching fire. You can be seriously burned.

vice station.

왘 Have the brake pads replaced as

soon as possible.

왘 Risk of accident! Stop the vehicle

and notify an authorized Mercedes-Benz Light Truck Center. Do not add brake fluid! This will not solve the problem.

Brake pad thickness must be visually checked by a qualified technician at the intervals specified in the Maintenance Booklet.

303

Practical hints What to do if …

Display symbol

Display message ELEC. BRAKE BOOST. VISIT WORKSHOP!

Possible cause The EBB has detected a malfunction and has switched off. The brake system is still functioning nor- mally but without the EBB available.

; (USA only) ! (Canada only)

PARK. BRAKE RELEASE BRAKE!

You are driving with the parking brake set.

Possible solution 왘 Continue driving with added cau-

tion.

왘 Have the system checked at an au- thorized Mercedes-Benz Light Truck Center as soon as possible.

Failure to follow these instructions in- creases the risk of accident. 왘 Release the parking brake

(컄 page 50).

304

Display symbol Display message

COOLANT CHECK LEVEL!

Possible cause The coolant level is too low.

Warning!

Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts. You could be seriously burned.