2011 Mercedes-benz R Class Owners Manual

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to painted surfaces. You could otherwise damage the paintwork.

may prevent water from draining away, leading to corrosion damage.

If water no longer forms "beads" on the painted surface, paint care products should be used that have been approved and recommended by Mercedes-Benz. This is the case approximately every three to five months, depending on climatic conditions and the care product used. If dirt has entered the paint surface or the paintwork has become dull, a paint cleaner should be used that has been approved and recommended by Mercedes-Benz. Never use such care products in direct sunlight or on a hot hood. X Use a suitable touch-up stick, e.g. MB

Touch Up stick, for quick, temporary repair of damaged paintwork.

Cleaning the windows G Warning Switch off the windshield wipers and remove the SmartKey from the ignition lock before cleaning the windshield or the wiper blades. On vehicles with KEYLESS-GO, press the Start/Stop button repeatedly until all indicator lamps in the instrument cluster have gone off. The windshield wipers could otherwise move and injure you.

X Clean the inside and outside of the

windows with a damp cloth and a cleaning agent that is recommended and approved by Mercedes-Benz.

! Do not use dry cloths, abrasive products,

solvents or cleaning agents containing solvents to clean the inside of the windows. Do not use hard objects to clean the insides of the windows, e.g. an ice scraper or ring. There is otherwise a risk of damaging the windows.

! Clean the water drainage channels of the windshield and the rear window at regular intervals. Under certain circumstances, deposits such as leaves, petals and pollen

Cleaning the wiper blades G Warning Switch off the windshield wipers and remove the SmartKey from the ignition lock before cleaning the windshield or the wiper blades. On vehicles with KEYLESS-GO, press the Start/Stop button repeatedly until all indicator lamps in the instrument cluster have gone off. The windshield wipers could otherwise move and injure you.

! Do not pull the wiper blade. Otherwise,

the wiper blade could be damaged.

! Do not clean wiper blades too often and do not rub them too hard. Otherwise, the graphite coating could be damaged. This could cause wiper noise.

X Fold the wiper arms away from the

windshield.

X Carefully clean the wiper blades with a

damp cloth.

X Fold the windshield wipers back again

before switching on the ignition.

! Hold the wiper arm securely when folding back. The windshield could be damaged if the wiper arm smacks against it suddenly.

Cleaning the headlamps X Clean the plastic lamp lenses on the

headlamps using a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths.

! Only use cleaning agents or cleaning

cloths which are suitable for plastic headlamp lenses. Unsuitable cleaning agents or cleaning cloths could scratch or damage the plastic headlamp lenses.

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Cleaning the sensors

X Clean sensors : of the driving systems with water, car shampoo and a soft cloth. ! When cleaning the sensors with a power washer, maintain a distance between the vehicle and the nozzle of the power washer of at least 11.8 in (30 cm). Information about the correct distance is available from the equipment manufacturer.

Cleaning the rear view camera

Care 287

Cleaning the exhaust tail pipes Impurities combined with the effects of road grit and corrosive environmental factors may cause flash rust to form on the surface. You can restore the original shine of the exhaust tail pipe by cleaning it regularly, especially in winter and after washing. ! Do not clean the exhaust tail pipes with alkaline-based cleaning agents, such as wheel cleaner.

X Clean the exhaust tail pipes with a chrome

care product tested and approved by Mercedes-Benz.

Interior care Cleaning the display X Before cleaning the display, make sure that

it is switched off and has cooled down.

X Clean the display surface using a

commercially-available microfiber cloth and TFT/LCD display cleaner.

X Dry the display surface using a dry

microfiber cloth.

! For cleaning, do not use any of the

following: Ralcohol-based thinner or gasoline Rabrasive cleaning agents Rcommercially-available household

cleaning agents

X Use clear water and a soft cloth to clean

camera lens :.

! Do not clean the camera lens and the area around the rear view camera with a power washer.

These may damage the display surface. Do not put pressure on the display surface when cleaning. This could lead to irreparable damage to the display.

Cleaning the plastic trim G Warning! When cleaning the steering wheel boss and dashboard, do not use cockpit sprays or cleaning agents containing solvents. Cleaning agents containing solvents cause the surface to become porous, and as a result, plastic

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parts may break away and be thrown around the interior when an air bag is deployed, which may result in severe injuries.

! Do not affix the following to plastic

surfaces: Rstickers Rfilms Rscented oil bottles or similar items You can otherwise damage the plastic.

! Do not allow cosmetics, insect repellent or sunscreen to come into contact with the plastic trim. This maintains the high-quality look of the surfaces.

X Wipe the plastic trim with a damp, lint-free

cloth, e.g. a microfiber cloth.

X Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz. The surface may change color temporarily. Wait until the surface is dry again.

Cleaning the steering wheel and gear or selector lever X Wash thoroughly with a damp cloth or use

a leather care agent that has been recommended and approved by Mercedes- Benz.

Cleaning real wood and trim strips X Wipe the wooden trim and trim strips with

a damp, lint-free cloth, e.g. a microfiber cloth.

X Heavy soiling: use car care and cleaning products recommended and approved by Mercedes-Benz.

! Do not use solvent-based cleaning agents

such as tar remover, wheel cleaners, polishes or waxes. There is otherwise a risk of damaging the surface.

! Do not use chrome polish for trim strips. The trim strips have a chrome look but are mostly made of anodized aluminum and

can lose their shine if chrome polish is used. Use a damp, lint-free cloth instead when cleaning the trim strips. Chrome polish can be used to remove very heavy soiling from trim strips which you are sure are made of chrome. If you are unsure as to whether a trim strip is chrome-plated or not, consult an authorized Mercedes- Benz Center.

Cleaning the seat covers ! Do not use microfiber cloths to clean

genuine leather, artificial leather or Alcantara® covers. If used often, these can damage the cover.

! Observe the following when cleaning: Rclean genuine leather covers carefully with a damp cloth and then wipe the covers down with a dry cloth. Make sure that the leather does not become soaked. It may otherwise become rough and cracked. Only use leather care agents that have been tested and approved by Mercedes-Benz. You can obtain these from a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.

Rclean artificial leather covers with a cloth moistened with a solution containing 1% detergent (e.g. dish washing liquid).

Rclean cloth covers with a microfiber cloth moistened with a solution containing 1% detergent (e.g. dish washing liquid). Rub carefully and always wipe entire seat sections to avoid leaving visible lines. Leave the seat to dry afterwards. Cleaning results depend on the type of dirt and how long it has been there. Rclean Alcantara® covers with a damp cloth. Make sure you wipe entire seat sections to avoid leaving visible lines.

i Note that regular care is essential to

ensure that the appearance and comfort of the covers is retained over time.

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Cleaning the seat belts X Use clean, luke-warm water and soap

solution.

! Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 ‡ (80 †) or placing them in direct sunlight. G 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.

Cleaning the headliner and carpets X Roof lining: use soft brushes or dry

shampoo if it is particularly dirty.

X Carpets: use carpet and textile cleaners

that have been approved and recommended by Mercedes-Benz.

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Vehicle equipment ............................ 292
After an accident .............................. 293
Where will I find...? ........................... 293
Flat tire .............................................. 296
Battery ............................................... 308
Jump-starting .................................... 311
Towing away ..................................... 313
Fuses .................................................. 315

291

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292 Vehicle equipment

Vehicle equipment

i This manual describes all the standard and optional equipment of your vehicle which was available at the time of purchase. Country-specific differences are possible. Bear in mind that your vehicle may not feature all functions described here. This also refers to safety-related systems and functions.

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After an accident

Problem Fuel is leaking from the vehicle.

You are unable to determine the extent of the damage.

You cannot detect any damage.

The NECK-PRO head restraints/NECK-PRO luxury head restraints on the driver's and front-passenger seat have been triggered.

Possible causes/consequences and M Solutions G Risk of explosion or fire The fuel line or the fuel tank is faulty. X Immediately turn the SmartKey to position 0 (Y page 149) in the

ignition lock and remove it.

X Do not restart the engine under any circumstances. X Consult a qualified specialist workshop.

X Consult a qualified specialist workshop.

X Start the engine as normal.

Your vehicle has been involved in a rear-end collision. X Reset the NECK-PRO head restraints/NECK-PRO luxury head

restraints (Y page 53).

Where will I find...? First-aid kit The first-aid kit can be found under the cargo compartment floor in the vehicle tool kit stowage tray. Depending on the vehicle's equipment, the location of the first-aid kit may differ slightly from that shown in the example illustration. X Open the tailgate. X Lift the cargo compartment floor up

(Y page 294).

Example: vehicles with BlueTEC X Remove first-aid kit :. i Check the expiration date on the first-aid

kit at least once a year. Replace the contents if necessary, and replace missing contents.

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Vehicle tool kit Notes The vehicle tool kit can be found in the stowage well under the cargo compartment floor. i Vehicles are not equipped with the tools needed to change a wheel when they leave the factory, e.g. jack or lug wrench. Some tools for changing a wheel are specific to the vehicle. To obtain tools approved for your vehicle, visit a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center.

Folding the cargo compartment floor up

X Press release handle ; in the direction of

the arrow.

X Lift cargo compartment floor : up by

release handle ;.

X Fold out hook = on the underside of the

cargo compartment floor.

X Attach hook = to upper seal ? in the

cargo compartment.

Vehicles with a TIREFIT kit X Lift the cargo compartment floor up

(Y page 294).

: Lug wrench ; Towing eye = Alignment bolt ? Jack A Folding wheel chock B Fuse allocation chart C Ratchet ring spanner

Vehicles with collapsible spare wheel X Lift the cargo compartment floor up

(Y page 294).

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: Lug wrench ; Electric air pump = Instructions on the installation position of

the vehicle tool kit holder

? Fuse allocation chart A Alignment bolt B Folding wheel chock C Towing eye D Wheel bolts E Stowage well F Ratchet ring spanner G Jack

Collapsible spare wheel Removing the collapsible spare wheel The collapsible spare wheel can be found in the stowage well under the cargo compartment floor. X Lift the cargo compartment floor up

(Y page 294).

X Remove the jack from the tool holder

(Y page 294).

X Turn retaining screw : counter-clockwise

and out of tool holder = and remove it.

i If retaining screw : does not come out immediately, turn tool holder = slightly counter-clockwise. Retaining screw : can then be unscrewed with ease.

X Turn tool holder = approximately 180°, so

that the electric air pump points backwards.

X Remove tool holder = from collapsible

spare wheel ;.

X Remove collapsible spare wheel ; from

the emergency spare wheel well.

For further information on changing a wheel and mounting the spare wheel, see (Y page 301).

Stowing a used collapsible spare wheel Take the following steps to stow a used collapsible spare wheel. It will otherwise not fit in the spare wheel well. Mercedes-Benz recommends that you have this work carried out at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. ! Only place the collapsible spare wheel in

the vehicle when it is dry. Otherwise, moisture may get into the vehicle.

X Unscrew the valve cap from the valve. X If possible, unscrew the valve insert from

the valve and release the air.

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i Fully deflating the tire can take a few

minutes.

X Screw the valve insert back into the valve. X Screw the valve cap back on.

X Turn the retainer screw on the collapsible spare wheel clockwise into the tool holder as far as it will go.

X Stow the jack in the vehicle tool kit.

Flat tire Preparing the vehicle Your vehicle may be equipped with a collapsible spare wheel or the MOExtended run-flat system (Y page 307). i Vehicle preparation is not necessary on

vehicles with the MOExtended run-flat system.

i Vehicles featuring the MOExtended run-

flat system are not equipped with the TIREFIT kit. It is therefore recommended that you additionally equip your vehicle with the TIREFIT kit if you mount tires that do not feature run-flat properties, e.g. winter tires. You can obtain a TIREFIT kit from an authorized Mercedes-Benz Center, for example.

X Vehicles with the AIRMATIC package: make

sure that highway level is selected (Y page 183).

X Stop the vehicle as far away as possible

from traffic on solid, non-slippery and level ground.

X Switch on the hazard warning lamps. X Firmly depress the parking brake. X Bring the front wheels into the straight-

ahead position.

X Move the DIRECT SELECT lever to P. X Switch off the engine.

In the spare wheel well, there are two guides : to keep the collapsible spare wheel in place.

X Lay collapsible spare wheel ; in the

emergency spare wheel well.

i Make sure that collapsible spare

wheel ; is positioned on guides : precisely.

X Lay the tool holder in collapsible spare

wheel ; so that the electric air pump is pointing towards the tailgate (Y page 294). X Turn the tool holder approximately 180°,

so that the electric air pump points forwards. The tool holder should now be positioned in accordance with the instructions on the installation position.

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X Vehicles without KEYLESS-GO: remove

the key from the ignition lock.

X Vehicles with KEYLESS-GO: open the

driver's door. The on-board electronics have status 0, which is the same as the key having been removed.

X Vehicles with KEYLESS-GO: remove the Start/Stop button from the ignition lock (Y page 149).

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 whilst 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. i Only operate the electric air pump using the socket in the footwell of the second row of seats (Y page 265), even if the ignition is turned off. An emergency cut-off ensures that the on- board voltage does not drop too low. If the on-board voltage is too low, power to the sockets is automatically cut-off. This ensures that there is sufficient power to start the engine.

TIREFIT kit Using the TIREFIT kit You can use the TIREFIT kit to seal small punctures, particularly those in the tire tread. You can use TIREFIT at outside temperatures down to -4 ‡ (-20 †). G Warning TIREFIT is a limited repair device. TIREFIT cannot be used for cuts or punctures larger than approximately 0.16 in (4 mm) and tire

damage caused by driving with extremely low tire inflation pressure, or on a flat tire, or a damaged wheel. Do not drive the vehicle under such circumstances. Contact the nearest authorized Mercedes- Benz Center for assistance or call roadside assistance.

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

X Remove the TIREFIT kit, the accompanying "max. 80 km/h" sticker and the electric air pump from the stowage well underneath the trunk floor (Y page 294).

X Affix part : of the sticker within the

driver's field of vision.

X Affix part ; of the sticker near the valve

on the wheel with the defective tire. G Warning! Take care not to allow the contents of TIREFIT to come in contact with hair, eyes or clothing. RIf TIREFIT comes into contact with your

eyes or skin, immediately rinse thoroughly with clean water.

RChange out of clothing which has come into

contact with TIREFIT immediately.

RIn case of allergic reaction or rash, consult

a physician immediately.

Keep TIREFIT away from children.

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RIf TIREFIT is swallowed, immediately rinse your mouth out thoroughly with water and drink plenty of water.

RDo not induce vomiting. Consult a doctor

immediately.

RDo not inhale TIREFIT fumes.

i If TIREFIT leaks out, allow it to dry. It can

then be removed like a layer of film. If you get TIREFIT on your clothing, have it cleaned as soon as possible with perchloroethylene. G Warning! Comply with the manufacturer's safety instructions on the sticker on the electric air pump.

Your vehicle is provided with one of two different electric air pumps: RVersion 1: the hose with the pressure gauge and the cable are behind a flap. RVersion 2: the pressure gauge is in the

electric air pump.

TIREFIT kit version 1

X Remove the cap from valve E on the faulty

tire.

X Make sure pressure release screw F on

pressure gauge G is fully closed. X Screw filler hose D onto valve E. X Insert connector A into the socket in the

footwell of the 2nd row of seats (Y page 265).

X Open flap ;. X Pull connector A with the cable and hose

B out of the housing.

X Screw hose B onto flange C of TIREFIT

sealant filler bottle :.

X Place TIREFIT sealant filler bottle : head downwards into recess = of the electric air pump.

! None of the other sockets or cigarette lighters are designed for operating the electric air pump.

X Turn the key to position 1(Y page 149) in

the ignition lock.

X Press on/off switch ? on the electric air

pump to I. The electric air pump is switched on. The tire is inflated.

i First, TIREFIT is pumped into the tire. The pressure can briefly rise to approximately 500 kPa (5 bar/73 psi). Do not switch off the electric pump during this phase.

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X Let the electric pump run for five minutes.

The tire should then have attained a pressure of at least 180 kPa (1.8 bar/ 26 psi). G Warning The air hose can become hot during inflation. Please exercise appropriate caution.

! Do not operate the electric air pump for longer than eight minutes at a time without a break. It may otherwise overheat. The air pump can be operated again once it has cooled down.

If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has been achieved, see (Y page 300). If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved, see (Y page 300).

TIREFIT kit version 2

X Pull connector ? with the cable and hose

A out of the housing.

X Screw hose A onto flange B of TIREFIT

sealant filler bottle :.

X Place TIREFIT sealant filler bottle : head downwards into recess ; of the electric air pump.

X Remove the cap from valve C on the faulty

tire.

X Screw filler hose D onto valve C. X Insert connector ? into the socket in the

footwell of the 2nd row of seats (Y page 265).

! None of the other sockets or cigarette lighters are designed for operating the electric air pump.

X Turn the key to position 1 in the ignition

lock.

X Press on/off switch = on the electric air

pump to I. The electric air pump is switched on. The tire is inflated.

i First, TIREFIT is pumped into the tire. The pressure can briefly rise to approximately 500 kPa (5 bar/73 psi). Do not switch off the electric pump during this phase. G Warning The air hose can become hot during inflation. Please exercise appropriate caution.

! Do not operate the electric air pump for longer than eight minutes at a time without a break. It may otherwise overheat. The air pump can be operated again once it has cooled down.

If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has been achieved, see (Y page 300).

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If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved, see (Y page 300).

Tire pressure of 180 kPa (1.8 bar/ 26 psi) is not achieved If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) has not been achieved: X Press the on/off switch on the electric air

pump to 0. The electric air pump is switched off. X Unscrew the filler hose from the valve. X Very slowly drive forwards or reverse

approximately 30 ft (10 m).

X Pump up the tire again. G Warning If after five minutes a pressure of 180 kPa (1.8 bar/26 psi) cannot be achieved, the tire is too badly damaged to be repaired reliably using TIREFIT. In this case TIREFIT cannot seal the tire properly. Do not drive any further. Contact the nearest authorized Mercedes- Benz Center for assistance or call roadside assistance.

Tire pressure of 180 kPa (1.8 bar/ 26 psi) is achieved X Press the on/off switch on the electric air

pump to 0. The electric air pump is switched off.

X Remove the TIREFIT kit from the wheel. G Warning The air hose may still be hot. Exercise proper caution to avoid burning yourself when detaching the electric air pump.

! After use, excess TIREFIT may run out of

the filler hose. This could cause stains. Therefore, place the filler hose in the plastic bag which contained the TIREFIT kit.

X Stow the TIREFIT kit and the electric air

pump.

X Pull away immediately. G Warning Do not exceed a vehicle speed of 50 mph (80 km/h). A TIREFIT repair is not designed to operate at higher speeds. The sticker must be attached on the instrument cluster where it will be easily seen by the driver. Vehicle handling characteristics of a TIREFIT repaired tire may change. Adapt your driving accordingly.

X Stop after driving for approximately ten minutes and check the tire pressure with the electric air pump. G Warning If tire inflation pressure has fallen below 130 kPa (1.3 bar/26 psi) do not continue to drive the vehicle. Park your vehicle safely away from the roadway and contact the nearest authorized Mercedes-Benz Center or roadside assistance. Have the damaged tire replaced.

X Correct the tire pressure if it is at least 130 kPa (1.3 bar/20 psi) (values can be found in the tire and loading information table on the B-pillar on the driver's side or in the tire pressure table on the inside of the fuel filler flap).

X To increase the tire pressure: switch on

the electric air pump.

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X Have the TIREFIT kit replaced every four years at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

Changing a wheel and mounting the spare tire Preparing the vehicle G Warning! The wheel and tire size of the emergency spare wheel/spare wheel may differ to that of the damaged wheel. When using an emergency spare wheel/spare wheel the handling characteristics of the vehicle may change. Adapt your style of driving accordingly. Never operate the vehicle with more than one emergency spare wheel/spare wheel that differs in size. Only use an emergency spare wheel/spare wheel of a differing size briefly and do not switch off ESP®. When using an emergency spare wheel, you must not exceed a maximum speed of 50 mph (80 km/h). G Warning! Have the emergency spare wheel/spare wheel replaced with a new wheel as soon as possible at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose. In particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop.

i Vehicles without an emergency spare

wheel/spare wheel are not equipped with wheel-changing tools at the factory. For more information on which tools are required to perform a wheel change on your vehicle, e.g. wheel chock, alignment bolt or

TIREFIT kit version 1
X To reduce the tire pressure (version 1):

open pressure release screw F on pressure gauge G.

TIREFIT kit version 2
E Pressure release button F Pressure gauge X To reduce the tire pressure (version 2):

press pressure release button E on the filler hose.

X Stow the TIREFIT kit and the electric air

pump.

X Drive to the nearest workshop and have the

tire changed there.

X Have the TIREFIT kit replaced as soon as

possible at a qualified specialist workshop, e.g. at an authorized Mercedes-Benz Center. H Environmental note Have the used TIREFIT kit disposed of professionally, e.g. at an authorized Mercedes-Benz Center.

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lug wrench, consult an authorized Mercedes-Benz Center.

X Prepare the vehicle as described

X If a trailer is coupled to the vehicle,

(Y page 296).

uncouple it.

X Remove the following items from the

stowage well under the trunk floor: Rthe emergency spare wheel40
Rthe wheel bolts for the emergency spare

wheel40
Rthe jack Rthe ratchet ring spanner Rthe lug wrench Rthe folding wheel chock Rthe alignment bolt Rthe electric air pump40

X Secure the vehicle to prevent it from rolling

away.

Securing the vehicle to prevent it from rolling away G Warning Only jack up the vehicle on level ground or on slight inclines/declines. The vehicle could otherwise fall off the jack and injure you or others.

If your vehicle is equipped with a wheel chock, it can be found in the vehicle tool kit (Y page 294). The folding wheel chock is an additional securing measure to prevent the vehicle from rolling away, for example when changing a wheel.

X Fold both plates upwards :. X Fold out lower plate ;. X Guide the lugs on the lower plate fully into

openings in base plate =.

Securing the vehicle on level ground X On level ground: place chocks or other suitable items under the front and rear of the wheel that is diagonally opposite the wheel you wish to change.

Securing the vehicle on slight downhill gradients

40 Vehicles with an emergency spare wheel.

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X On downhill gradients: place chocks or other suitable items in front of the wheels of the front and rear axle.

Raising the vehicle G Warning When jacking up the vehicle, only use the jack which has been specifically approved by Mercedes-Benz for your vehicle. The jack is designed exclusively for jacking up the vehicle at the jacking points built into both sides of the vehicle. The jack saddle must be placed centrally under the jacking point. The jack must always be vertical when in use, especially on inclines or declines. The jack is intended only for lifting the vehicle briefly for wheel changes. It is not suited for performing maintenance work under the vehicle. To help avoid personal injury, use the jack only to lift the vehicle during a wheel change. Never get beneath the vehicle while it is supported by the jack. Keep hands and feet away from the area under the lifted vehicle. Always lower the vehicle onto sufficient capacity jackstands before working under the vehicle. Always firmly engage the parking brake and block the wheels with wheel chocks or other sizable objects before raising the vehicle with the jack. Do not disengage the parking brake while the vehicle is raised. Make sure that the ground on which the vehicle is standing and where you place the jack is solid, level and not slippery. If necessary, use a large underlay. On slippery surfaces, such as tiled floors, you should use a non-slip underlay, for example a rubber mat. Do not use wooden blocks or similar objects as a jack underlay. Otherwise, the jack may not be able to achieve its load-bearing capacity if it is not at its full height. Never start the engine when the vehicle is raised. Also observe the notes on the jack.

X Using lug wrench :, loosen the bolts on the wheel you wish to change by about one full turn. Do not unscrew the bolts completely.

The jacking points for the jack are located behind the wheel housings of the front wheels and in front of the wheel housings of the rear wheels (arrows).

G Warning The jack is designed exclusively for jacking up the vehicle at the jacking points. The jack saddle must be placed centrally under the jacking point. If you do not position the jack correctly in the jacking point, the vehicle can fall off the jack and seriously or fatally injure you or others.

! The jack is designed exclusively for

jacking up the vehicle at the jacking points. Otherwise, your vehicle could be damaged. X Take ratchet ring spanner out of the vehicle tool kit and place it on the hexagon nut of the jack so that the letters AUF are visible.

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Removing a wheel

X Position jack = at jacking point ;.

X Make sure that the base of the jack is

positioned directly under the jacking point. X Turn ratchet ring spanner ? until jack = sits completely on jacking point ; and the base of the jack lies evenly on the ground. X Turn ratchet ring spanner ? until the tire is raised a maximum of 1.2 inches (3 cm) from the ground.

X Unscrew the uppermost wheel bolt

completely.

X Screw alignment bolt : into the thread

instead of the wheel bolt.

X Unscrew the remaining wheel bolts fully. ! Do not place wheel bolts in sand or on a

dirty surface. The bolt and wheel hub threads could otherwise be damaged when you screw them in. X Remove the wheel.

Mounting a new wheel G Warning! Always replace wheel bolts that are damaged or rusted. Never apply oil or grease to wheel bolts. Damaged wheel hub threads should be repaired immediately. Do not continue to drive under these circumstances! Contact an authorized Mercedes-Benz Center or call Roadside Assistance. Incorrect wheel bolts or improperly tightened wheel bolts can cause the wheel to come off. This could cause an accident. Make sure to use the correct wheel bolts. G Warning Only use genuine Mercedes-Benz wheel bolts. Other wheel bolts may come loose.

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Do not tighten the wheel bolts when the vehicle is raised. Otherwise, the vehicle could fall off the jack.

: Wheel bolts for 18", 19" and 20" wheels 2 Wheel bolts for the "Minispare"

emergency spare wheel

! Always use wheel bolts ; to mount the collapsible spare wheel. Using other wheel bolts to mount the collapsible spare wheel could damage the brake system. G Warning Make sure to use the original length wheel bolts when remounting the original wheel after it has been repaired.

X Clean the wheel and wheel hub contact

surfaces.

! To prevent damage to the paintwork, hold the wheel securely against the wheel hub while screwing in the first wheel bolt.

X Tighten the wheel bolts until they are

finger-tight.

X Unscrew the alignment bolt. X Tighten the last wheel bolt until it is finger-

tight.

X Inflate the collapsible spare wheel

(Y page 305).

Inflating the collapsible spare tire G Warning! Pump up the collapsible spare wheel before lowering the vehicle. You could otherwise damage the wheel rim. G Warning! Comply with the manufacturer's safety instructions on the sticker on the electric air pump.

Your vehicle is equipped with one of two electric air pumps: RVersion 1: electric air pump with pressure

gauge on the air hose.

RVersion 2: electric air pump with

integrated pressure gauge.

The following description applies to both versions. Differences in the way they are used will be explained in detail.

Version 1

X Slide the emergency spare wheel onto the

alignment bolt and push it on.

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to avoid burning yourself when using the equipment.

! Do not operate the electric air pump for longer than eight minutes at a time without a break. It may otherwise overheat. The air pump can be operated again once it has cooled down.

Version 2
X Version 1: open flap :. X Version 1: pull connector = and the air hose with pressure gauge ? out of the housing.

X Version 2: pull connector = and the air

hose out of the housing.

X Version 1: make sure that the pressure release screw on pressure gauge ? is closed.

X Remove the cap from the valve on the

collapsible spare wheel.

X Screw union nut A on the air hose onto the

valve.

X Make sure on/off switch ; of the electric

air pump is set to 0.

X Insert connector 3 into the socket in the

footwell of the 2nd row of seats (Y page 265).

! None of the other sockets or cigarette lighters are designed for operating the electric air pump.

X Make sure that the SmartKey is in position

1(Y page 149) in the ignition lock.

X Press on/off switch ; on the electric air

pump to I. The electric air pump is switched on. The tire is inflated. G Warning The air hose and the union nut can become hot during inflation. Exercise proper caution

X Pump the tire to the specified tire pressure. The specified tire pressure is printed on the yellow label of the emergency spare wheel. X When the specified tire pressure has been

reached, press on/off switch 2 on the electric air pump to 0. The electric air pump is switched off.

X Turn the SmartKey to position 0 in the

ignition lock.

X Version 1: if the tire pressure is higher than the specified pressure, open the pressure release screw on pressure gauge 4 until the correct tire pressure has been reached. X Version 2: if the tire pressure is higher than

the specified pressure, press pressure release button 6 until the correct tire pressure has been reached.

X Unscrew union nut A on the air hose from

the valve.

X Screw the valve cap onto the collapsible

spare wheel valve again.

X Version 1: stow plug = and the air hose

behind flap :.

X Version 2: stow plug = and the air hose in the lower section of the pump housing.

X Stow the electric air pump in the designated place in the vehicle.

Lowering the vehicle G Warning Pump up the collapsible spare wheel before lowering the vehicle. You could otherwise damage the wheel rim.

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X Place the ratchet ring spanner onto the

hexagon nut of the jack so that the letters AB are visible.

X Turn the ratchet ring spanner until the

vehicle is once again standing firmly on the ground.

X Place the jack to one side.

X Tighten the wheel bolts evenly in a crosswise pattern in the sequence indicated (: to A). The tightening torque must be 110 lb/ft (150 Nm). G Warning Have the tightening torque checked immediately after a wheel is changed. The wheels could come loose if they are not tightened to a torque of 110 lb/ft (150 Nm).

X Turn the jack back to its initial position and store it together with the rest of the vehicle tool kit in the cargo compartment.

X Transport the faulty wheel in the cargo

compartment.

or X Depending on the size of the wheel, you

may also be able to secure the faulty wheel in the emergency spare wheel well. In this case, you must remove the stowage tray from the emergency spare wheel well and store it securely in the cargo compartment.

Further information on stowing the collapsible spare wheel (Y page 295).

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i When you are driving with the collapsible

spare wheel mounted, the tire pressure loss warning system or the tire pressure monitor cannot function reliably. Only restart the tire pressure loss warning system/tire pressure monitor when the defective wheel has been replaced with a new wheel. Vehicles with tire pressure monitor: all mounted wheels must be equipped with functioning sensors and the defective wheel should no longer be in the vehicle.

MOExtended run-flat system The MOExtended run-flat system allows you to drive on even if there is a complete loss of pressure in one or more tires. The MOExtended run-flat system may only be used in conjunction with the activated tire pressure loss warning system or with the activated tire pressure monitor. The maximum permissible distance which can be driven in run-flat mode depends on the cargo in the vehicle. You can drive 50 miles (80 km) if the vehicle is partially laden and 18 miles (30 km) if it is fully laden. 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). G Warning! The handling characteristics of your vehicle deteriorate in run-flat mode, for example: Rwhen cornering Rwhen braking Rwhen accelerating rapidly Adapt your driving style accordingly and avoid sudden changes in direction and sudden acceleration, as well as driving over obstacles (i.e. curbs, potholes), and driving off-road.

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This is particularly the case when the vehicle is heavily laden. The maximum permissible distance that can be driven in run-flat mode depends to a large extent on the loads placed on the vehicle. It can be shorter due to high speeds, a heavy cargo, sudden changes in direction, the road surface condition, outside temperature, etc., or further if you drive carefully and conservatively. Do not continue to drive in run-flat 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 run-flat mode, you must have the wheel(s) checked for damage at a qualified specialist workshop which has the necessary specialist knowledge and tools to carry out the work required. The faulty tire must be replaced in every case. Mercedes-Benz recommends that you use an authorized Mercedes-Benz Center for this purpose. In particular, work relevant to safety or on safety-related systems must be carried out at a qualified specialist workshop.

i When replacing one or all tires, make sure

that you only use tires marked MOExtended and of the specified size for the vehicle.

i Vehicles featuring the MOExtended run- flat system are not equipped with TIREFIT kit at the factory. It is therefore recommended that you additionally equip your vehicle with the TIREFIT kit if you mount tires that do not feature run-flat properties, e.g. winter tires. You can obtain a TIREFIT kit from an authorized Mercedes- Benz Center, for example.

Battery Important safety guidelines In order for the battery to achieve the maximum possible service life, it must always be sufficiently charged. ! Have the battery checked regularly at a

qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Observe the service intervals in the Service Booklet or for further information consult a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

Have the battery charge checked more frequently if you use the vehicle mainly for short trips or if you leave it standing idle for a lengthy period. To prevent damage from corrosion, only replace the battery with one that has a central ventilation cover. Only replace a battery with a battery that has been recommended by Mercedes-Benz. Consult an authorized Mercedes-Benz Center if you wish to leave your vehicle parked for a long period of time. G Warning! Comply with safety precautions and take protective measures when handling batteries.

Risk of explosion

Fire, naked flames and smoking are prohibited when handling the battery. Avoid creating sparks. Battery acid is caustic. Avoid contact with the skin, eyes or clothing. Wear suitable protective clothing, in particular gloves, an apron and a face mask.

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Immediately rinse acid splashes off with clean water. Consult a doctor if necessary. Wear eye protection.

Keep children away.

Observe this Operator's Manual.

H Environmental note Do not dispose of batteries in the household rubbish. Dispose of defective batteries in an environmentally responsible manner. Take them to an authorized Mercedes-Benz Center or to a special collection point for old batteries. G Warning Failure to follow these instructions can result in severe injury or death. Never lean over batteries while connecting. You might get injured. Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or clothing. In case it does, immediately flush affected area with water and seek medical help if necessary. A battery will also produce hydrogen gas, which is flammable and explosive. Keep flames or sparks away from battery, avoid improper connection of jumper cables, smoking etc. G Warning Do not place any metal objects on the battery as this could result in a short circuit. Use leak-proof batteries only to avoid the risk of acid burns in the event of an accident.

Battery

309

Take care that you do not become statically charged, e.g. by wearing synthetic clothing or rubbing against textiles. For this reason, you also should not pull or push the battery over carpets or other synthetic materials. Never touch the battery first. First, touch the outside body of the vehicle in order to release any possible electrostatic charges. Do not rub the battery with rags or cloths. The battery could explode if touched due to electrostatic charge or due to spark formation.

! Switch off the engine and remove the

SmartKey before disconnecting the terminal clamps from the battery. On vehicles with KEYLESS-GO, make sure that the ignition is switched off. Check that all the indicator lamps in the instrument cluster are off. You may otherwise destroy electronic components, such as the alternator.

! Like other batteries, the vehicle battery may discharge over time if you do not use the vehicle. In this case, have the battery disconnected at a qualified specialist workshop, e.g. an authorized Mercedes- Benz Center. You can also charge the battery with a charger recommended by Mercedes-Benz. Contact an authorized Mercedes-Benz Center for further information. The battery, breather hose and cover of the positive terminal clamp must be installed securely during operation.

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.

Mercedes-Benz recommends that you do not carry out work on batteries yourself, e.g. removing, charging or replacing. Always have this work performed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

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! Only charge the installed battery with a battery charger which has been tested and approved by Mercedes-Benz. These battery chargers allow the battery to be charged while still installed.

! 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 311). X Open the hood (Y page 278). X Connect the battery charger to the positive terminal and earth point in the same order as when connecting the donor battery in the jump-starting procedure (Y page 311).

i If the power supply has been interrupted,

e.g. if the battery has been reconnected, you must carry out the following tasks: Rset the clock (Y page 206)

On vehicles with COMAND and a navigation system, the clock is set automatically.

Rreset the sliding sunroof (Y page 93) Rreset the panorama roof with power tilt/

sliding panel (Y page 94)

Rreset the function for folding the exterior mirrors in/out automatically by folding the mirrors out once (Y page 112) Rreset the side windows (Y page 88)

Charging the battery G Warning Never charge a battery while still installed in the vehicle unless the accessory battery charge unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions that may result in paint damage, corrosion or personal injury. An accessory battery charge unit specially adapted for Mercedes-Benz vehicles and tested and approved by Mercedes-Benz is available. It permits the charging of the battery in its installed position. Contact an authorized Mercedes-Benz Center for information and availability. Charge the battery in accordance with the separate instructions for the accessory battery charger. G Warning! There is a risk of acid burns during the charging process due to the gases which escape from the battery. Do not lean over the battery during the charging process. G Warning! Battery acid is caustic. Avoid contact with the skin, eyes or clothing.

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Jump-starting 311

Jump-starting

G Warning Failure to follow these directions will cause damage to the electronic components, and can lead to a battery explosion and severe injury or death. Never lean over batteries while connecting or jump starting. You might get injured. Battery fluid contains sulfuric acid. Do not allow this fluid to come in contact with eyes, skin or clothing. In case it does, immediately flush affected area with water, and seek medical help if necessary. A battery will also produce hydrogen gas, which is flammable and explosive. Keep flames or sparks away from battery, avoid improper connection of jumper cables, smoking, etc. Attempting to jump start a frozen battery can result in it exploding, causing personal injury. Read all instructions before proceeding.

! Avoid repeated and lengthy starting attempts. Otherwise, non-combusted fuel may

damage the catalytic converter41 and create a risk of fire. Do not use a rapid-charging device to start the engine. Make sure the jumper cables are not damaged. Make sure the jumper cables are not touching any other metal objects when they are connected to the battery.

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: X The 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.

X Only jump-start the vehicle when the engine is cold and the catalytic converter system has

cooled down42 .

X Do not start the engine if the battery is frozen. Let the battery thaw first. X Jump-starting may only be performed from batteries with a nominal voltage of 12 V.

If you jump-start using a battery with higher voltage, it may damage the electrical systems of the vehicle.