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The vehicle tool kit contains: Rfolding wheel chock Rfuse allocation chart Rjack Ralignment bolt Rone pair of gloves Rlug wrench Rtowing eye


354 Flat tire


Vehicles with a collapsible spare wheel


X If possible, bring the front wheels into the


straight-ahead position.


X Vehicles with AIRMATIC: make sure that "normal" level is selected (Y page 204).


X Switch off the engine. X Vehicles without KEYLESS-GO: remove


the SmartKey from the ignition lock.


X Vehicles with KEYLESS-GO: open the


driver's door. The on-board electronics now have status 0. This is the same as the SmartKey having been removed.


X Vehicles with KEYLESS-GO: remove the Start/Stop button from the ignition lock (Y page 159).


X All occupants must get out of the vehicle. Make sure that they are not endangered as they do so.


X Make sure that no one is near the danger


area while a wheel is being changed. Anyone who is not directly assisting in the wheel change should, for example, stand behind the barrier.


X Get out of the vehicle. Pay attention to


traffic conditions when doing so.


X Close the driver's door.


MOExtended tires (tires with run-flat properties) General notes With MOExtended tires (tires with run flat characteristics), you can continue to drive your vehicle even if there is a total loss of pressure in one or more tires. The affected tire must not show any clearly visible damage. You can recognize MOExtended tires by the MOExtended marking which appears on the sidewall of the tire. You will find this marking next to the tire size designation, the load- bearing capacity and the speed index (Y page 389). MOExtended tires may only be used in conjunction with an active tire pressure loss


: Towing eye ; One pair of gloves = Jack ? Folding wheel chock A Alignment bolt B Sheet for faulty wheel C Tire inflation compressor D Lug wrench E Fuse allocation chart X Open the trunk lid. X Lift the trunk floor upwards (Y page 312).


Flat tire Preparing the vehicle Your vehicle may be equipped with: RMOExtended tires (tires with run-flat


properties) (Y page 354) Vehicle preparation is not necessary on vehicles with MOExtended tires.


Ra TIREFIT kit (Y page 352) Ran emergency spare wheel(Y page 410) Information on changing/mounting a wheel (Y page 395). X Stop the vehicle on solid, non-slippery and level ground, as far away as possible from traffic.


X Switch on the hazard warning lamps. X Secure the vehicle against rolling away


(Y page 182).


Flat tire 355


feature run-flat properties, e.g. winter tires. A TIREFIT kit may be obtained from a qualified specialist workshop.


Important safety notes G WARNING When driving in emergency mode, the driving characteristics deteriorate, e.g. when cornering, accelerating quickly and when braking. There is a risk of an accident. Do not exceed the stated maximum speed. Avoid abrupt steering and driving maneuvers, and driving over obstacles (curbs, potholes, off-road). This applies in particular to a laden vehicle. Stop driving in emergency mode if: Ryou hear banging noises. Rthe vehicle starts to shake. Ryou see smoke and smell rubber. RESP® is intervening constantly. Rthere are tears in the sidewalls of the tire. After driving in emergency mode, have the wheel rims checked at a qualified specialist workshop with regard to their further use. The defective tire must be replaced in every case.


TIREFIT kit Using the TIREFIT kit


warning system or with an active tire pressure monitor. If the pressure loss warning message appears in the multifunction display: RObserve the instructions in the display


messages (Y page 280).


RCheck the tire for damage. RIf driving on, observe the following notes. The maximum driving distance is approximately 50 miles (80 km) when the vehicle is partially laden and approximately 18 miles (30 km) when the vehicle is fully laden. In addition to the vehicle load, the driving distance possible depends upon: Rspeed Rroad condition Routside temperature The driving distance possible in run-flat mode may be reduced by extreme driving conditions/maneuvers, or it can be increased through a moderate style of driving. The maximum permissible distance which can be driven in run-flat mode is counted from the moment the tire pressure loss warning appears in the multifunction display. You must not exceed a maximum speed of 50 mph (80 km/h). i When replacing one or all tires, make sure


that you use only tires: Rof the size specified for the vehicle and Rmarked "MOExtended" If a tire has gone flat and cannot be replaced with a MOExtended tire, a standard tire may be used as a temporary measure. Make sure that you use the proper size and type (summer or winter tire).


i Vehicles equipped with MOExtended tires are not equipped with a TIREFIT kit at the factory. It is therefore recommended that you additionally equip your vehicle with a TIREFIT kit if you mount tires that do not


TIREFIT sticker, 2-part


356 Flat tire


X Do not remove any foreign objects which have penetrated the tire, e.g. screws or nails.


X Remove the tire sealant bottle, the


accompanying TIREFIT sticker and the tire inflation compressor from the stowage well underneath the trunk floor/cargo compartment floor (Y page 352).


X Affix part : of the TIREFIT sticker within


the driver's field of vision.


X Affix part ; of the TIREFIT sticker near the valve on the wheel with the defective tire.


X Pull plug ? with the cable and hose A out


of the housing.


X Screw hose A onto flange B of tire


sealant bottle :.


X Place tire sealant bottle : head


downwards into recess ; of the tire inflation compressor.


X Remove the cap from valve C on the faulty


tire.


X Screw filler hose D onto valve C.


X Insert connector ? into a 12 V socket


(Y page 320) in your vehicle. Observe the notes on sockets (Y page 320).


X Turn the SmartKey to position 1 in the


ignition lock (Y page 159).


X Press on/off switch = on the tire inflation


compressor to I. The tire inflation compressor is switched on. The tire is inflated.


i First, tire sealant is pumped into the tire.


The pressure can briefly rise to approximately 500 kPa (5 bar/73 psi). Do not switch off the tire inflation compressor during this phase.


X Allow the tire inflation compressor to run for five minutes. The tire should then have attained a pressure of at least 180 kPa (1.8 bar/26 psi).


If a pressure of 180 kPa (1.8 bar/26 psi) has been attained after five minutes, see "Tire pressure reached" (Y page 357). If a tire pressure of 180 kPa (1.8 bar/26 psi) has not been attained after five minutes, see "Tire pressure not reached" (Y page 356). i If tire sealant leaks out, allow it to dry. It


can then be removed like a layer of film. If your clothes are soiled with tire sealant, have them cleaned with perchloroethylene at a dry cleaner as soon as possible.


Tire pressure not reached If a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved after five minutes: X Switch off the tire inflation compressor. X Unscrew the filler hose from the valve of


the faulty tire.


X Very slowly drive forwards or reverse


approximately 30 ft (10 m).


X Pump up the tire again.


After a maximum of five minutes the tire pressure must be at least 180 kPa (1.8 bar/ 26 psi).


G WARNING If the required tire pressure is not reached after the specified time, the tire is too badly damaged. The tire sealant cannot repair the tire in this instance. Damaged tires and a tire pressure that is too low can significantly impair the vehicle's braking and driving characteristics. There is a risk of accident. Do not continue driving. Contact a qualified specialist workshop.


Tire pressure reached G WARNING A tire temporarily sealed with tire sealant impairs the driving characteristics and is not suitable for higher speeds. There is a risk of accident. You should therefore adapt your driving style accordingly and drive carefully. Do not exceed the specified maximum speed with a tire that has been repaired using tire sealant.


! Residue from the tire sealant may come out of the filler hose after use. This could cause stains. Therefore, place the filler hose in the plastic bag which contained the TIREFIT kit. H Environmental note Have the used tire sealant bottle disposed of professionally, e.g. at a qualified specialist workshop.


If a tire pressure of 180 kPa (1.8 bar/26 psi) has been attained after five minutes: X Switch off the tire inflation compressor. X Unscrew the filler hose from the valve of


the faulty tire.


X Stow the tire sealant bottle and the tire


inflation compressor.


X Pull away immediately.


The maximum speed for a tire sealed with tire sealant is 50 mph (80 km/h). The upper part of the TIREFIT sticker must be affixed


Flat tire 357


to the instrument cluster in the driver's field of vision.


X Stop after driving for approximately ten minutes and check the tire pressure with the tire inflation compressor. The tire pressure must now be at least 130 kPa (1.3 bar/19 psi). G WARNING If the required tire pressure is not reached after driving for a short period, the tire is too badly damaged. The tire sealant cannot repair the tire in this instance. Damaged tires and a tire pressure that is too low can significantly impair the vehicle's braking and driving characteristics. There is a risk of accident. Do not continue driving. Contact a qualified specialist workshop.


X Correct the tire pressure if it is still at least


130 kPa (1.3 bar/19 psi) (for the values, see the Tire and Loading Information placard on the driver's side B-pillar or tire pressure table on the fuel filler flap).


X To increase the tire pressure: switch on


the tire inflation compressor.


X To reduce the tire pressure: depress


pressure release button E next to pressure gauge F.


X When the tire pressure is correct, unscrew the filler hose from the valve of the sealed tire.


X Screw the valve cap onto the tire valve of


the sealed tire.


358 Battery (vehicle)


X Pull the tire sealant bottle out of the tire


inflation compressor. The filler hose remains attached to the tire sealant bottle.


X Stow the tire sealant bottle and the tire


inflation compressor.


X Drive to the nearest qualified specialist


workshop and have the tire changed there.


X Have the tire sealant bottle replaced as soon as possible at a qualified specialist workshop.


X Have the tire sealant bottle replaced every


four years at a qualified specialist workshop.


Battery (vehicle) Important safety notes Special tools and expert knowledge are required when working on the battery, e.g. removal and installing. You should therefore have all work involving the battery carried out at a qualified specialist workshop. G WARNING Work carried out incorrectly on the battery can lead, for example, to a short circuit and thus damage the vehicle electronics. This can lead to function restrictions applying to safety-relevant systems, e.g. the lighting system, ABS (anti-lock braking system) or ESP® (Electronic Stability Program). The operating safety of your vehicle may be restricted. You could lose control of the vehicle, for example: Rbraking Rin the event of abrupt steering maneuver and/or when the vehicle's speed is not adapted to the road conditions


There is a risk of an accident. In the event of a short circuit or a similar incident, contact a qualified specialist workshop immediately. Do not drive any further. You should have all work involving the


battery carried out at a qualified specialist workshop.


For further information about ABS and ESP®, see (Y page 67) and (Y page 72). G WARNING Electrostatic build-up can lead to the creation of sparks, which could ignite the highly explosive gases of a battery. There is a risk of an explosion. Before handling the battery, touch the vehicle body to remove any existing electrostatic build-up.


The highly flammable gas mixture forms when charging the battery as well as when jump- starting. Always make sure that neither you nor the battery is electrostatically charged. A build- up of electrostatic charge can be caused, for example: Rby wearing clothing made from synthetic


fibers


Rdue to friction between clothing and seats Rif you push or pull the battery across the


carpet or other synthetic materials Rif you wipe the battery with a cloth G WARNING During the charging process, a battery produces hydrogen gas. If a short circuit occurs or sparks are created, the hydrogen gas can ignite. There is a risk of an explosion. RMake sure that the positive terminal of a


connected battery does not come into contact with vehicle parts.


RNever place metal objects or tools on a


battery.


RIt is important that you observe the


described order of the battery terminals when connecting and disconnecting a battery.


RWhen jump-starting, make sure that the battery poles with identical polarity are connected.


RIt is particularly important to observe the


described order when connecting and disconnecting the jumper cables.


RNever connect or disconnect the battery


terminals while the engine is running. G WARNING Battery acid is caustic. There is a risk of injury. Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention. H Environmental note


Batteries contain dangerous substances. It is against the law to dispose of them with the household rubbish. They must be collected separately and recycled to protect the environment. Dispose of batteries in an environmentally friendly manner. Take discharged batteries to a qualified specialist workshop or a special collection point for used batteries.


! Have the battery checked regularly at a


qualified specialist workshop. Observe the service intervals in the Maintenance Booklet or contact a qualified specialist workshop for more information.


! You should have all work involving the


battery carried out at a qualified specialist workshop. In the exceptional case that it is necessary for you to disconnect the battery yourself, make sure that: Ryou switch off the engine and remove the


SmartKey. On vehicles with KEYLESS- GO, ensure that the ignition is switched off. Check that all the indicator lamps in the instrument cluster are off. Otherwise,


Battery (vehicle)


359


electronic components, such as the alternator, may be damaged.


Ryou first remove the negative terminal clamp and then the positive terminal clamp. Never swap the terminal clamps. Otherwise, the vehicle's electronic system may be damaged.


Rthe transmission is locked in position P


after disconnecting the battery. The vehicle is secured against rolling away. You can then no longer move the vehicle.


The battery and the cover of the positive terminal clamp must be installed securely during operation.


Comply with safety precautions and take protective measures when handling batteries.


Risk of explosion.


Fire, open flames and smoking are prohibited when handling the battery. Avoid creating sparks. Battery acid is caustic. Avoid contact with skin, eyes or clothing. Wear suitable protective clothing, especially gloves, apron and faceguard. Rinse any acid spills immediately with clear water. Contact a physician if necessary. Wear eye protection.


Keep children away.


Observe this Operator's Manual.


HYBRID vehicles: make sure that you read the "HYBRID" supplement included in the


360 Battery (vehicle)


vehicle literature. You could otherwise fail to recognize dangers e.g. due to high voltage. For safety reasons, Mercedes-Benz recommends that you only use batteries which have been tested and approved for your vehicle by Mercedes-Benz. These batteries provide increased impact protection to prevent vehicle occupants from suffering acid burns should the battery be damaged in the event of an accident. In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. The vehicle battery, like other batteries, can discharge over time if you do not use the vehicle. In this case, have the battery disconnected at a qualified specialist workshop. You can also charge the battery with a charger recommended by Mercedes- Benz. Contact a qualified specialist workshop for further information. Have the battery condition of charge checked more frequently if you use the vehicle mainly for short trips or if you leave it standing idle for a lengthy period. Consult a qualified specialist workshop if you wish to leave your vehicle parked for a long period of time. i Remove the SmartKey if you park the vehicle and do not require any electrical consumers. The vehicle will then use very little energy, thus conserving battery power.


i If the power supply has been interrupted, e.g. if you reconnect the battery, you will have to: Rset the clock. Information on setting the


clock can be found in the separate operating instructions. On vehicles with COMAND and a navigation system, the clock is set automatically.


Rreset the function for folding the exterior mirrors in/out automatically, by folding the mirrors out once (Y page 123).


Charging the battery G WARNING During charging and jump-starting, explosive gases can escape from the battery. There is a risk of an explosion. Particularly avoid fire, open flames, creating sparks and smoking. Ensure there is sufficient ventilation while charging and jump-starting. Do not lean over a battery. G WARNING Battery acid is caustic. There is a risk of injury. Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention. G WARNING A discharged battery can freeze at temperatures below freezing point. When jump-starting the vehicle or charging the battery, gases can escape from the battery. There is a risk of an explosion. Allow the frozen battery to thaw out before charging it or jump-starting.


! Only use battery chargers with a


maximum charging voltage of 14.8 V.


! Only charge the battery using the jump-


starting connection point.


The jump-starting connection point is in the engine compartment (Y page 362). X Open the hood. X Connect the battery charger to the positive


terminal and ground point in the same order as when connecting the donor battery in the jump-starting procedure (Y page 362).


If, at low temperatures, the indicator lamps/ warning lamps in the instrument cluster do not light up, it is highly likely that the discharged battery has frozen. In this case, you may neither charge the battery nor jump-


start the vehicle. The service life of a thawed- out battery may be shorter. The starting characteristics may be impaired, especially at low temperatures. Have the thawed-out battery checked at a qualified specialist workshop. Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. A battery charger unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available as an accessory. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for further information and availability. Read the battery charger's operating instructions before charging the battery.


Battery (vehicle)


361


362


Jump-starting


Jump-starting


For the jump-starting procedure, use only the jump-starting connection point, consisting of a positive terminal and a ground point, in the engine compartment. G WARNING Battery acid is caustic. There is a risk of injury. Avoid contact with the skin, eyes or clothing. Do not inhale any battery gases. Do not lean over the battery. Keep children away from batteries. Wash battery acid immediately with water and seek medical attention. G WARNING During charging and jump-starting, explosive gases can escape from the battery. There is a risk of an explosion. Particularly avoid fire, open flames, creating sparks and smoking. Ensure there is sufficient ventilation while charging and jump-starting. Do not lean over a battery. G WARNING During the charging process, a battery produces hydrogen gas. If a short circuit occurs or sparks are created, the hydrogen gas can ignite. There is a risk of an explosion. RMake sure that the positive terminal of a connected battery does not come into contact with


vehicle parts.


RNever place metal objects or tools on a battery. RIt is important that you observe the described order of the battery terminals when connecting


and disconnecting a battery.


RWhen jump-starting, make sure that the battery poles with identical polarity are connected. RIt is particularly important to observe the described order when connecting and disconnecting


the jumper cables.


RNever connect or disconnect the battery terminals while the engine is running. G WARNING A discharged battery can freeze at temperatures below freezing point. When jump-starting the vehicle or charging the battery, gases can escape from the battery. There is a risk of an explosion. Allow the frozen battery to thaw out before charging it or jump-starting.


! Vehicles with a gasoline engine: avoid repeated and lengthy starting attempts.


Otherwise, the catalytic converter could be damaged by non-combusted fuel.


HYBRID vehicles: make sure that you read the "HYBRID" supplement included in the vehicle literature. You could otherwise fail to recognize dangers e.g. due to high voltage.


Jump-starting 363


Do not start the vehicle using a rapid charging device. If your vehicle's battery is discharged, the engine can be jump-started from another vehicle or from a second battery using jumper cables. Observe the following points: RThe battery is not accessible in all vehicles. If the other vehicle's battery is not accessible,


jump-start the vehicle using a second battery or a jump-starting device.


RVehicles with a gasoline engine: only jump-start the vehicle when the engine and exhaust


system are cold.


RDo not start the engine if the battery is frozen. Let the battery thaw first. ROnly jump-start from batteries with a 12 V voltage rating. ROnly use jumper cables which have a sufficient cross-section and insulated terminal clamps. RIf the battery is fully discharged, leave the battery that is being used to jump-start connected


for a few minutes before attempting to start. This charges the battery slightly.


RMake sure that the two vehicles do not touch. Make sure that: Rthe jumper cables are not damaged. Rwhen the jumper cables are connected to the battery, uninsulated sections of the terminal


clamp do not come into contact with other metal sections.


Rthe jumper cables cannot come into contact with parts which can move when the engine


is running, such as the V-belt pulley or the fan.


X Apply the parking brake firmly. X Shift the transmission to position P. X Switch off all electrical consumers, e.g. rear window defroster, lighting, etc. X Open the hood. Position number B identifies the charged battery of the other vehicle or an equivalent jump- starting device.


364 Towing and tow-starting


X Slide cover : of positive terminal ; in the direction of the arrow. X Connect positive terminal ; on your vehicle to positive terminal = of donor battery B using the jumper cable, always begin with positive terminal ; on your own vehicle first.


X Start the engine of the donor vehicle and run it at idling speed. X Connect negative terminal ? of donor battery B to ground point A of your vehicle using


the jumper cable, connecting the jumper cable to battery of other vehicle B first.


X Start the engine. X Before disconnecting the jumper cables, let the engine run for several minutes. X First, remove the jumper cables from earth point A and negative terminal ?, then from positive clamp ; and positive terminal =. Begin each time at the contacts on your own vehicle first.


X Close cover : of positive clamp ; after removing the jumper cables. X Have the battery checked at a qualified specialist workshop. i Jump-starting is not considered to be a normal operating condition. i Jumper cables and further information regarding jump-starting can be obtained at any


qualified specialist workshop.


Towing and tow-starting Important safety notes G WARNING Functions relevant to safety are restricted or no longer available if: Rthe engine is not running. Rthe brake system or the power steering is


malfunctioning.


Rthere is a malfunction in the voltage supply


or the vehicle's electrical system.


If your vehicle is being towed, much more force may be necessary to steer or brake. There is a risk of an accident. In such cases, use a tow bar. Before towing, make sure that the steering moves freely. G WARNING If the weight of the vehicle to be towed or tow- started is greater than the permissible gross weight of your vehicle: Rthe towing eye could detach itself Rthe vehicle/trailer combination could


rollover.


There is a risk of an accident. When towing or tow-starting another vehicle, its weight should not be greater than the permissible gross weight of your vehicle.


Information on your vehicle's gross vehicle weight rating can be found on the vehicle identification plate (Y page 416). ! If DISTRONIC PLUS or the HOLD function


is activated, the vehicle brakes automatically in certain situations. To prevent damage to the vehicle, deactivate DISTRONIC PLUS and the HOLD function in the following or other similar situations: Rwhen towing the vehicle Rin the car wash


! Only secure the tow rope or tow bar at the towing eyes. Otherwise, the vehicle could be damaged.


! Do not use the towing eye for recovery, this could damage the vehicle. If in doubt, recover the vehicle with a crane.


! When towing, pull away slowly and


smoothly. If the tractive power is too high, the vehicles could be damaged.


! Do not tow with sling-type equipment.


This could damage the vehicle.


! When towing vehicles with KEYLESS-GO,


use the key instead of the Start/Stop button. Otherwise, the automatic transmission may shift to position P when the driver's or front-passenger door are opened, which could lead to damage to the transmission.


! The vehicle can be towed a maximum of


30 miles (50km). The towing speed of 30 mph (50 km/h) must not be exceeded. If the vehicle has to be towed more than 30 miles (50km), the entire vehicle must be raised and transported.


HYBRID vehicles: make sure that you read the "HYBRID" supplement included in the vehicle literature. You could otherwise fail to recognize dangers e.g. due to high voltage. It is better to have the vehicle transported than to have it towed. If the vehicle has suffered transmission damage, have it transported on a transporter or trailer. The automatic transmission must be in position N when the vehicle is being towed. The battery must be connected and charged. Otherwise, you: Rcannot turn the SmartKey to position 2 in


the ignition lock


Rcannot shift the automatic transmission to


position N


i Disarm the automatic locking feature


before the vehicle is towed (Y page 89). You could otherwise be locked out when pushing or towing the vehicle.


Towing and tow-starting 365


Installing/removing the towing eye Installing the towing eye G WARNING The exhaust tail pipe may be very hot. There is a risk of burns when removing the rear cover. Do not touch the exhaust pipe. Take particular care when removing the rear cover.


Towing eye covers (example: Sedan) The mountings for the removable towing eyes are located in the bumpers. They are at the front and at the rear, behind the covers. X Remove the towing eye from the vehicle


tool kit (Y page 352).


X Press the mark on cover : inwards in the


direction of the arrow.


X Take cover : off the opening. X Screw in and tighten the towing eye


clockwise to the stop.


366 Towing and tow-starting


Removing the towing eye X Unscrew and remove the towing eye. X Attach cover : to the bumper and press


until it engages.


X Place the towing eye in the vehicle tool kit.


Towing the vehicle with the rear axle raised ! The ignition must be switched off if you are towing the vehicle with the rear axle raised. Intervention by ESP® could otherwise damage the brake system. Only possible for vehicles without 4MATIC. X Switch on the hazard warning lamps


(Y page 132).


X Turn the SmartKey to position 0 in the ignition lock and remove the SmartKey from the ignition lock.


X When leaving the vehicle, take the


SmartKey or the KEYLESS-GO key with you. When towing your vehicle with the rear axle raised, it is important that you observe the safety instructions (Y page 364).


Towing a vehicle with both axles on the ground It is important that you observe the safety instructions when towing away your vehicle (Y page 364).


The automatic transmission automatically shifts to position P when you open the driver's or front-passenger door or when you remove the SmartKey from the ignition lock. In order to ensure that the automatic transmission stays in position N when towing the vehicle, you must observe the following points: X Make sure that the vehicle is stationary and


the SmartKey in the ignition lock is in position 0.


X Turn the SmartKey to position 2 in the


ignition lock. On vehicles with KEYLESS-GO, use the SmartKey instead of the Start/Stop button (Y page 159).


X Depress and hold the brake pedal. X Shift the automatic transmission to


position N.


X Release the brake pedal. X Release the parking brake. X Switch on the hazard warning lamps


X Leave the SmartKey in position 2 in the


(Y page 132).


ignition lock.


i When towing with the hazard warning lamps switched on, use the combination switch as usual to signal a change of direction. In this case, only the turn signals for the desired direction flash. After resetting the combination switch, the hazard warning lamps start flashing again.


Transporting the vehicle ! You may only secure the vehicle by the


wheels, not by parts of the vehicle such as axle or steering components. Otherwise, the vehicle could be damaged.


The towing eye can be used to pull the vehicle onto a trailer or transporter for transporting purposes.


X Turn the SmartKey to position 2 in the


ignition lock.


X Shift the automatic transmission to


position N.


As soon as the vehicle has been loaded: X Prevent the vehicle from rolling away by


applying the parking brake.


X Shift the automatic transmission to


position P.


X Turn the SmartKey to position 0 in the ignition lock and remove the SmartKey from the ignition lock.


X Secure the vehicle.


Notes on 4MATIC vehicles ! Vehicles with 4MATIC must not be towed with either the front or the rear axle raised, as doing so will damage the transmission.


If the vehicle has transmission damage or damage to the front or rear axle, have it transported on a transporter or trailer. In the event of damage to the electrical system If the battery is defective, the automatic transmission will be locked in position P. To shift the automatic transmission to position N, you must provide power to the vehicle's electrical system in the same way as when jump-starting (Y page 362). Have the vehicle transported on a transporter or trailer.


Tow-starting (emergency engine starting) ! Vehicles with automatic transmission


must not be started by tow-starting. This could otherwise damage the transmission. You can find information on "Jump-starting" under (Y page 362).


Fuses


367


Fuses Important safety notes G WARNING If you manipulate or bridge a faulty fuse or if you replace it with a fuse with a higher amperage, the electric cables could be overloaded. This could result in a fire. There is a risk of an accident and injury. Always replace faulty fuses with the specified new fuses having the correct amperage.


! Only use fuses that have been approved


for Mercedes-Benz vehicles and which have the correct fuse rating for the system concerned. Otherwise, components or systems could be damaged.


The fuses in your vehicle serve to close down faulty circuits. If a fuse blows, all the components on the circuit and their functions stop operating. Blown fuses must be replaced with fuses of the same rating, which you can recognize by the color and value. The fuse ratings are listed in the fuse allocation chart. If a newly inserted fuse also blows, have the cause traced and rectified at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.


Before changing a fuse Observe the important safety notes (Y page 367) X Secure the vehicle against rolling away


(Y page 182).


X Switch off all electrical consumers. X Turn the SmartKey to position 0 in the


ignition lock and remove it (Y page 159).


or X On vehicles with KEYLESS-GO, make sure the ignition is switched off (Y page 159). All indicator lamps in the instrument cluster must be off.


368 Fuses


The fuses are located in various fuse boxes: RFuse box in the engine compartment on the left-hand side of the vehicle, when viewed in the direction of travel


RFuse box in the trunk/cargo compartment on the right-hand side of the vehicle, when viewed in the direction of travel


The fuse allocation chart is located in the vehicle tool kit in the stowage compartment under the trunk/cargo compartment floor (Y page 352).


Fuse box in the engine compartment Observe the important safety notes (Y page 367) G WARNING When the hood is open and the windshield wipers are set in motion, you can be injured by the wiper linkage. There is a risk of injury. Always switch off the windshield wipers and the ignition before opening the hood.


! Make sure that no moisture can enter the


fuse box when the cover is open.


! When closing the cover, make sure that it is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair the operation of the fuses.


X Make sure that the windshield wipers are


turned off.


X Open the hood.


X Use a dry cloth to remove any moisture


from the fuse box.


X To open: remove lines ; from the guides. X Move lines ; aside. Route the lines behind


connection = to do this.


X Open clamp :. X Remove the fuse box cover forwards. X To close: check whether the rubber seal is


lying correctly in the cover.


X Insert the cover at the rear of the fuse box


into the retainer.


X Fold down cover and close clamps :. X Secure lines ; in the guides. X Close the hood.


Fuse box in the trunk Observe the important safety notes (Y page 367) ! Make sure that no moisture can enter the


fuse box when the cover is open.


! When closing the cover, make sure that it is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair the operation of the fuses.


X Open the trunk lid.


X To open: release cover : at the top right


and left-hand sides with a flat object.


X Open cover : downwards in the direction


of the arrow.


Fuse box in the cargo compartment ! Make sure that no moisture can enter the


fuse box when the cover is open.


! When closing the cover, make sure that it is lying correctly on the fuse box. Moisture seeping in or dirt could otherwise impair the operation of the fuses.


X Open the tailgate.


X To open: pull handle : on the cover. X Open the cover downwards. X Swing trim ; forwards.


Fuses


369


370


Useful information ............................ 372
Important safety notes .................... 372
Operation ........................................... 372
Winter operation ............................... 374
Tire pressure ..................................... 376
Loading the vehicle .......................... 383
All about wheels and tires ............... 387
Changing a wheel ............................. 395
Wheel and tire combinations ........... 400
Emergency spare wheel ................... 410


371


372 Operation


Useful information


i This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are possible. Please note that your vehicle may not be equipped with all features described. This also applies to safety- related systems and functions.


i Read the information on qualified specialist workshops: (Y page 26).


Important safety notes


G WARNING If wheels and tires of the wrong size are used, the wheel brakes or suspension components may be damaged. There is a risk of an accident. Always replace wheels and tires with those that fulfill the specifications of the original part. When replacing wheels, make sure to use the correct: Rdesignation Rmodel When replacing tires, make sure to use the correct: Rdesignation Rmanufacturer Rmodel G WARNING A flat tire severely impairs the driving, steering and braking characteristics of the vehicle. There is a risk of accident. Tires without run-flat characteristics: Rdo not drive with a flat tire. Rimmediately replace the flat tire with your emergency spare wheel or spare wheel, or consult a qualified specialist workshop.


Tires with run-flat characteristics: Rpay attention to the information and


warning notices on MOExtended tires (tires with run-flat characteristics).


Accessories that are not approved for your vehicle by Mercedes-Benz or are not being used correctly can impair the operating safety. Before purchasing and using non-approved accessories, visit a qualified specialist workshop and ask about: Rsuitability Rlegal stipulations Rfactory recommendations Information on the dimensions and types of wheels and tires for your vehicle can be found in the "Wheel/tire combinations" section (Y page 400). Information on air pressure for the tires on your vehicle can be found: Ron the vehicle's Tire and Loading Information placard on the B-pillar (Y page 383)


Ron the tire pressure label on the fuel filler


flap (Y page 176)


Runder "Tire pressure" (Y page 376)


Operation Information on driving If the vehicle is heavily loaded, check the tire pressures and correct them if necessary. While driving, pay attention to vibrations, noises and unusual handling characteristics, e.g. pulling to one side. This may indicate that the wheels or tires are damaged. If you suspect that a tire is defective, reduce your speed immediately. Stop the vehicle as soon as possible to check the wheels and tires for damage. Hidden tire damage could also be causing the unusual handling characteristics. If you find no signs of damage, have the tires


and wheels checked at a qualified specialist workshop. When parking your vehicle, make sure that the tires do not get deformed by the curb or other obstacles. If it is necessary to drive over curbs, speed humps or similar elevations, try to do so slowly and at an obtuse angle. Otherwise, the tires, particularly the sidewalls, may be damaged.


Regular checking of wheels and tires G WARNING Damaged tires can cause tire inflation pressure loss. As a result, you could lose control of your vehicle. There is a risk of accident. Check the tires regularly for signs of damage and replace any damaged tires immediately.


Regularly check the wheels and tires of your vehicle for damage at least once a month, as well as after driving off-road or on rough roads. Damaged wheels can cause a loss of tire pressure. Pay particular attention to damage such as: Rcuts in the tires Rpunctures Rtears in the tires Rbulges on tires Rdeformation or severe corrosion on wheels Regularly check the tire tread depth and the condition of the tread across the whole width of the tire (Y page 373). If necessary, turn the front wheels to full lock in order to inspect the inner side of the tire surface. All wheels must have a valve cap to protect the valve against dirt and moisture. Do not mount anything onto the valve other than the standard valve cap or other valve caps approved by Mercedes-Benz for your vehicle. Do not use any other valve caps or systems, e.g. tire pressure monitoring systems.


Operation 373


Regularly check the pressure of all the tires particularly prior to long trips. Adjust the tire pressure as necessary (Y page 376). Observe the notes on the emergency spare wheel (Y page 410). The service life of tires depends, among other things, on the following factors: Rdriving style Rtire pressure Rdistance covered


Important safety notes on the tire tread G WARNING Insufficient tire tread will reduce tire traction. The tire is no longer able to dissipate water. This means that on wet road surfaces, the risk of hydroplaning increases, in particular where speed is not adapted to suit the driving conditions. There is a risk of accident. If the tire pressure is too high or too low, tires may exhibit different levels of wear at different locations on the tire tread. Thus, you should regularly check the tread depth and the condition of the tread across the entire width of all tires. Minimum tire tread depth for: RSummer tires: â in (3 mm) RM+S tires: ã in (4 mm) For safety reasons, replace the tires before the legally prescribed limit for the minimum tire tread depth is reached.


374 Winter operation


Bar indicator : for tread wear is integrated into the tire tread. Treadwear indicators (TWI) are required by law. Six indicators are positioned on the tire tread. They are visible once a tread depth of approximately á in (1.6 mm) has been reached. If this is the case, the tire is so worn that it must be replaced.


Selecting, mounting and replacing tires ROnly mount tires and wheels of the same


type and make. Exception: it is permissible to install a different type or make in the event of a flat tire. Observe the "MOExtended tires (tires with run-flat characteristics" section (Y page 354).


ROnly mount tires of the correct size onto


the wheels.


RBreak in new tires at moderate speeds for the first 60 miles (100 km). They only reach their full performance after this distance. RDo not drive with tires which have too little


tread depth, as this significantly reduces the traction on wet roads (hydroplaning).


RReplace the tires after six years at the


latest, regardless of wear.


Observe the notes on the emergency spare wheel (Y page 410).


MOExtended tires (tires with run-flat properties) With MOExtended tires (tires with run flat characteristics), you can continue to drive your vehicle even if there is a total loss of pressure in one or more tires. MOExtended tires may only be used in conjunction with an active tire pressure loss warning system or with an active tire pressure monitor and on wheels specifically tested by Mercedes-Benz.


Notes on driving with MOExtended tires with a flat tire (Y page 354). i Vehicles equipped with MOExtended tires are not equipped with a TIREFIT kit at the factory. It is therefore recommended that you additionally equip your vehicle with a TIREFIT kit if you mount tires that do not feature run-flat properties, e.g. winter tires. A TIREFIT kit can be obtained from a qualified specialist workshop.


Winter operation General notes Have your vehicle winterproofed at a qualified specialist workshop at the onset of winter. Observe the notes in the "Changing a wheel" section (Y page 395).


Driving with summer tires At temperatures below 45 ‡ (+7 †), summer tires lose elasticity significantly, and therefore traction and braking power as well. Change the tires on your vehicle to M+S tires. Using summer tires at very cold temperatures could cause cracks to form, thereby damaging the tires permanently. Mercedes-Benz cannot accept responsibility for this type of damage.


M+S tires G WARNING M+S tires with a tire tread depth of less than ã in (4 mm) are not suitable for use in winter and do not provide sufficient traction. There is a risk of an accident. M+S tires with a tread depth of less than ã in (4 mm) must be replaced immediately.


At temperatures below 45 ‡ (+7 †), use winter tires or all-weather tires. Both types of tire are identified by the M+S marking.


Only winter tires bearing the i snowflake symbol in addition to the M+S marking provide the best possible grip in wintry road conditions. Only these tires will allow driving safety systems such as ABS and ESP® to function optimally in winter. These tires have been developed specifically for driving in snow. Use M+S tires of the same make and tread on all wheels to maintain safe handling characteristics. Always observe the maximum permissible speed specified for the M+S tires you have mounted. Once the winter tires are mounted: X Check the tire pressures (Y page 379). X Vehicles for Canada: restart the tire


pressure loss warning system (Y page 380).


X Restart the tire pressure monitor


(Y page 380).


For more information on driving with the emergency spare wheel, see (Y page 410).


Snow chains G WARNING If snow chains are installed to the front wheels, they may drag against the vehicle body or chassis components. This could cause damage to the vehicle or the tires. There is a risk of an accident. To avoid hazardous situations: Rnever install snow chains to the front


wheels


Ralways install snow chains in pairs to the


rear wheels.


! On vehicles with AIRMATIC, you must


drive at raised vehicle level if snow chains have been mounted. The vehicle may otherwise be damaged.


! On some tire sizes there is not enough


space for snow chains. To avoid damage to


Winter operation 375


the vehicle or tires, observe the "Wheel and tire combinations" section under "Tires and wheels".


! Vehicles with steel wheels: if you wish


to mount snow chains on steel wheels, make sure that you remove the respective wheels' hubcaps first. The hubcaps may otherwise be damaged.


For safety reasons, Mercedes-Benz recommends that you only use snow chains that have been specially approved for your vehicle by Mercedes-Benz, or are of a corresponding standard of quality. If you intend to mount snow chains, please bear the following points in mind: RSnow chains may not be mounted on all


wheel/tire combinations. Permissible wheel-tire combinations (Y page 400). ROnly use snow chains when driving on


roads completely covered by snow. Remove the snow chains as soon as possible when you come to a road that is not snow-covered.


RLocal regulations may restrict the use of


snow chains. Observe the appropriate regulations if you wish to mount snow chains.


RDo not exceed the maximum permissible


speed of 30 mph (50 km/h).


i You may wish to deactivate ESP® when pulling away with snow chains installed (Y page 73). This way you can allow the wheels to spin in a controlled manner, achieving an increased driving force (cutting action).


For more information on driving with the emergency spare wheel, see (Y page 410).


376 Tire pressure


Tire pressure Tire pressure specifications Important safety notes G WARNING Tires with tire pressures that are too low or too high are associated with the following hazards: Rthey can burst, in particular if the vehicle is


heavily laden or when driven at high speeds.


Rthe tires can wear excessively and/or


unevenly, which can severely impair tire traction.


Rthe driving, steering and braking


characteristics may be severely impaired.


There is a risk of accident. Follow recommended tire inflation pressures and check the pressure of all the tires including the spare wheel: Rmonthly, at least Rif the load changes Rbefore beginning a long journey Runder different operating conditions, e.g.


off-road driving


If necessary, correct the tire pressure.


i The specifications on the sample Tire and


Loading Information placard and tire pressure tables are examples. Tire pressure specifications are vehicle-specific and may deviate from the data shown here. The tire pressure specifications that are valid for your vehicle can be found on the Tire and Loading Information placard and tire pressure table on the vehicle.


General notes The recommended tire pressures for the tires mounted at the factory can be found on the labels described here. Operation with the emergency spare wheel (Y page 410).


Further information on tire pressures can be obtained at a qualified specialist workshop.


Tire and Loading Information placard


: Recommended tire pressures The Tire and Loading Information placard is on the B-pillar on the driver's side (Y page 383). The Tire and Loading Information placard contains the recommended tire pressures for cold tires. The recommended tire pressures are valid for the maximum permissible load and up to the maximum permissible vehicle speed.


Tire pressure table The tire pressure table is on the inside of the fuel filler flap.


Example: tire pressure table for all tires permitted for this vehicle by the factory The tire pressure table contains the recommended pressures for cold tires for various operating conditions, i.e. differing load and speed conditions.


Tire pressure 377


If the tire pressure is not set correctly, this can lead to an excessive build up of heat and a sudden loss of pressure. For more information, contact a qualified specialist workshop.


Important notes on tire pressure G WARNING If the tire pressure drops repeatedly, the wheel, valve or tire may be damaged. Tire pressure that is too low may result in a tire blow-out. There is a risk of an accident. RCheck the tire for foreign objects. RCheck whether the wheel is losing air or the


valve is leaking.


If you are unable to rectify the damage, contact a qualified specialist workshop. G WARNING If you fit unsuitable accessories onto tire valves, the tire valves may be overloaded and malfunction, which can cause tire pressure loss. Due to their design, retrofitted tire pressure monitors keep the tire valve open. This can also result in tire pressure loss. There is a risk of an accident. Only screw the standard valve cap or other valve caps approved by Mercedes-Benz for your vehicle onto the tire valve.


Use a suitable pressure gauge to check the tire pressure. The outer appearance of a tire does not permit any reliable conclusion about the tire pressure. On vehicles equipped with the electronic tire pressure monitoring system, the tire pressure can be checked using the on-board computer. The tire temperature and pressure increase when the vehicle is in motion. This is dependent on the driving speed and the load. Therefore, you should only correct tire pressures when the tires are cold.


Example: tire pressure table with tire dimensions If a tire size precedes a tire pressure, the tire pressure information following is only valid for that tire size. The load conditions "partially laden" and "fully laden" are defined in the table for different numbers of occupants and amounts of luggage. The actual number of seats may differ.


Some tire pressure tables show only the rim diameters instead of the full tire size, e.g. R18. The rim diameter is part of the tire size and can be found on the tire sidewall (Y page 389). If the tire pressures have been set to the lower values for lighter loads and/or lower road speeds, the pressures should be reset to the higher values: Rif you want to drive with an increased load


and/or


Rif you want to drive at higher road speeds. i The tire pressures for increased loads


and/or higher road speeds, shown in the tire pressure table, may have a negative effect on driving comfort.


378 Tire pressure


The tires are cold: Rif the vehicle has been parked without


direct sunlight on the tires for at least three hours and


Rif the vehicle has been driven for less than


1 mile (1.6 km).


The tire temperature changes depending on the outside temperature, the vehicle speed and the tire load. If the tire temperature changes by 18 ‡ (10 †), the tire pressure changes by approximately 10 kPa (0.1 bar/ 1.5 psi). Take this into account when checking the pressure of warm tires. Only correct the tire pressure if it is too low for the current operating conditions. If you check the tire pressure when the tires are warm, the resulting value will be higher than if the tires were cold. This is normal. Do not reduce the tire pressure to the value specified for cold tires. The tire pressure would otherwise be too low. Observe the recommended tire pressures for cold tires: Ron the Tire and Loading Information placard


on the B-pillar on the driver's side


Rin the tire pressure table on the inside of


the fuel filler flap


Ron the yellow label on the emergency spare


wheel (depending on the vehicle equipment)


Underinflated or overinflated tires Underinflation G WARNING Tires with pressure that is too low can overheat and burst as a consequence. In addition, they also suffer from excessive and/ or irregular wear, which can severely impair the braking properties and the driving characteristics. There is a risk of an accident. Avoid tire pressures that are too low in all the tires, including the spare wheel.


Underinflated tires may: Roverheat, leading to tire defects Rhave an adverse effect on handling


characteristics


Rwear quickly and unevenly Rhave an adverse effect on fuel consumption


Overinflation G WARNING Tires with excessively high pressure can burst because they are damaged more easily by road debris, potholes etc. In addition, they also suffer from irregular wear, which can severely impair the braking properties and the driving characteristics. There is a risk of an accident. Avoid tire pressures that are too high in all the tires, including the spare wheel.


Overinflated tires may: Rincrease the braking distance Rhave an adverse effect on handling


characteristics


Rwear quickly and unevenly Rhave an adverse effect on ride comfort Rbe more susceptible to damage


Maximum tire pressures


: Example: maximum permissible tire


pressure


Never exceed the maximum permissible tire inflation pressure. Always observe the recommended tire pressure for your vehicle


when adjusting the tire pressure (Y page 376). i The actual values for tires are vehicle-


specific and may deviate from the values in the illustration.


Checking the tire pressures Important safety notes Observe the notes on tire pressure (Y page 376). Information on air pressure for the tires on your vehicle can be found: Ron the vehicle's Tire and Loading Information placard on the B-pillar (Y page 383)


Ron the tire pressure label on the fuel filler


flap (Y page 176)


Rin the "Tire pressure" section Runder "Tire pressure" (Y page 376)


Checking tire pressures manually To determine and set the correct tire pressure, proceed as follows: X Remove the valve cap of the tire that is to


be checked.


X Press the tire pressure gauge securely onto


the valve.


X Read the tire pressure and compare it with


the recommended value on the Tire and Loading Information placard (Y page 376). X If the tire pressure is too low, increase it to


the recommended value.


X If the tire pressure is too high, release air by pressing down the metal pin in the valve. Use the tip of a pen, for example. Then, check the tire pressure again using the tire pressure gauge.


X Screw the valve cap onto the valve. X Repeat these steps for the other tires.


Tire pressure 379


Tire pressure loss warning system (Canada only) General notes While the vehicle is in motion, the tire pressure loss warning system monitors the set tire pressure using the rotational speed of the wheels. This enables the system to detect significant pressure loss in a tire. If the speed of rotation of a wheel changes as a result of a loss of pressure, a corresponding warning message will appear in the multifunction display. You can recognize the tire pressure loss warning by the Run Flat Indicator Active Press 'OK' to Restart message which appears in the Service menu of the multifunction display. Information on the message display can be found in the "Restarting the tire pressure loss warning system" section (Y page 380).


Important safety notes The tire pressure warning system does not warn you of an incorrectly set tire pressure. Observe the notes on the recommended tire pressure (Y page 376). The tire pressure loss warning does not replace the need to regularly check the tire pressure. An even loss of pressure on several tires at the same time cannot be detected by the tire pressure loss warning system. The tire pressure monitor is not able to warn you of a sudden loss of pressure, e.g. if the tire is penetrated by a foreign object. In the event of a sudden loss of pressure, bring the vehicle to a halt by braking carefully. Avoid abrupt steering maneuvers. The function of the tire pressure loss warning system is limited or delayed if: Rsnow chains are mounted on your vehicle's


tires.


Rroad conditions are wintry.

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