2011 Mercedes-benz C Class Owners Manual

blades. This will prevent smears and reduce wiping noises caused by residue on the windshield.

Washing by hand Carefully remove all deposits of road salt as soon as possible when driving in winter.

Also, clean the insides of the wheels when washing the underbody of the vehicle. X Do not use hot water and do not wash the

vehicle in direct sunlight.

X Use a soft car sponge for cleaning. X Use a gentle cleaning agent, e.g. a

Mercedes-Benz approved car shampoo.

X Wash down the vehicle with a gentle water

jet.

X Do not point the water jet directly at the air

inlets.

X Use plenty of water and rinse the sponge

frequently.

X Rinse the vehicle with clean water and dry

it thoroughly with a chamois.

X Do not allow the cleaning agent to dry on

the paintwork.

Power washers G Warning! Do not use power washers with circular-jet nozzles (dirt grinders) to clean your vehicle, in particular the tires. You could otherwise damage the tires and cause an accident.

! Keep the distance between the vehicle

and the nozzle of the power washer at 11.8 in (30 cm). Information about the correct distance is available from the equipment manufacturer. Move the power washer nozzle around when cleaning your vehicle. Do not aim directly at any of the following: Rtires Rdoor joint Relectrical components Rbattery Rconnectors Rlights Rseals Rtrim elements Rventilation slots

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Damaged seals or electrical components can lead to leaks or failures.

Cleaning the wheels ! Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components.

! Do not park the vehicle for an extended period right after cleaning it, particularly after having cleaned the wheels with wheel cleaner. Wheel cleaners could cause increased corrosion of the brake discs and brake pads/linings. For this reason, you should drive for a few minutes after cleaning. Braking heats the brake discs and brake pads, thus drying them. The vehicle can then be parked up.

Cleaning the paintwork Scratches, corrosive deposits, areas affected by corrosion and damage caused by inadequate care cannot always be completely repaired. In such cases, visit a qualified specialist workshop immediately, e.g. an authorized Mercedes-Benz Center. X Remove impurities immediately, where

possible, whilst avoiding rubbing too hard. X Soak insect remains with insect remover and rinse off the treated areas afterwards. X Soak bird droppings with water and rinse

off the treated areas afterwards.

X Remove coolant, brake fluid, tree resin, oils, fuels and greases by rubbing gently with a cloth soaked in petroleum ether or lighter fluid.

X Use tar remover to remove tar stains. X Use silicone remover to remove wax. ! Do not affix:

Rstickers Rfilms Rmagnetic plates or similar items to painted surfaces. You could otherwise damage the paintwork.

Care 245

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.

Matte finish care If your vehicle has a clear matte finish, observe the following instructions in order to avoid damage to the paintwork due to incorrect care. ! Never polish the vehicle. Polishing causes

the finish to shine.

! Do not use paintwork cleaner, grinding or polishing products or gloss preservers such as wax. These products are only suitable for high-gloss surfaces. Using them on vehicles with matte paintwork can cause severe damage to the surface (shiny, mottled patches). Always have paintwork repairs performed at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

! Do not use wash programs with a hot wax

treatment under any circumstances.

i Use only insect remover and car shampoo

from the range of recommended and approved Mercedes-Benz care products.

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! Only fold the windshield wipers away from

the windshield when vertical. Otherwise, you will damage the hood.

! 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.

Cleans 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.

246 Care

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.

! Only fold the windshield wipers away from

the windshield when vertical. Otherwise, you will damage the hood.

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. Deposits such as leaves, petals and pollen may under certain circumstances prevent water from draining away. This can lead to corrosion damage and damage to electronic components.

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.

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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 247

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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248 Care

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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Care 249

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 roof lining 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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250

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Vehicle equipment ............................ 252
After an accident .............................. 253
Where will I find...? ........................... 253
Flat tire .............................................. 254
Battery ............................................... 259
Jump-starting .................................... 262
Towing and tow-starting .................. 264
Fuses .................................................. 266

251

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252 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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Where will I find...?

253

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 on the driver's and front- passenger seats 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 key to position 0(Y page 131)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 triggered NECK-PRO head restraints (Y page 50).

Where will I find...? First-aid kit Depending on the vehicle's equipment, the first-aid kit is in an open stowage compartment or behind the side paneling. X Open the trunk lid.

X To open the stowage well: turn rotary knob : in the direction of the arrow and fold down cover ;.

X Remove the 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.

Vehicle tool kit The vehicle tool kit can be found in the stowage well under the trunk floor. i Vehicles without a spare wheel 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

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254 Flat tire

a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center.

X Lift the trunk floor upwards (Y page 219).

: Vehicle tool kit tray ; Stowage well = Spare wheel/"Minispare" emergency

spare wheel

The vehicle tool kit contains: RFoldable wheel chock RFuse allocation chart RJack ROne pair of gloves RLug wrench RTowing eye

"Minispare" emergency spare wheel The "Minispare" emergency spare wheel can be found in the stowage well under the trunk floor. X Lift the trunk floor upwards (Y page 219).

X Turn stowage well ; counter-clockwise

and remove it.

X Remove "Minispare" emergency spare

wheel :.

For further information on changing a wheel and mounting the spare wheel, see (Y page 255).

Flat tire Preparing the vehicle Your vehicle could be equipped with a "Minispare" emergency spare wheel or the MOExtended run-flat system(Y page 259). i Vehicle preparation is not necessary on

vehicles with the MOExtended run-flat system.

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 Vehicles with manual transmission:

engage first or reverse gear.

X Vehicles with automatic transmission:

move the selector lever to P.

X Switch off the engine. 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 132).

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

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.

Changing a wheel and mounting the spare wheel 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

Flat tire 255

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 lug wrench, consult an authorized Mercedes-Benz Center.

X Prepare the vehicle as described

(Y page 254).

X Remove the following items from the stowage well under the trunk/cargo compartment floor: Rthe emergency spare wheel Rthe vehicle tool kit Rthe folding wheel chock Rthe jack

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 253). The folding wheel chock is an additional securing measure to prevent the vehicle from rolling away, for example when changing a wheel.

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256 Flat tire

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

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X Position jack = at jacking point ;.

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).

X Make sure that the base of the jack is

positioned directly under the jacking point. X Turn crank ? clockwise until jack = sits

completely on jacking point ; and the base of the jack lies evenly on the ground.

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 Turn crank ? until the tire is raised a maximum of 1.2 inches (3 cm) off the ground.

Removing a wheel X Unscrew the wheel bolts. ! 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.

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258 Flat tire

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

Lowering the vehicle X Turn the crank of the jack counter-

clockwise 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 96 lb-ft (130 Nm). G Risk of accident 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 96 lb-ft (130 Nm).

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

cargo compartment.

or X Depending on the size of the wheel, you

may also be able to secure the faulty wheel in the spare wheel well. In this case, you will have to remove the stowage well casing from the spare wheel well and stow it securely in the trunk/cargo compartment. i When you are driving with the collapsible

spare wheel mounted, the tire pressure loss warning system or the tire pressure

X Place the emergency spare wheel on the

wheel hub and push it on.

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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. 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

Battery

259

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.

Battery Important safety notes 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

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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 up 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. 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. 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 key before disconnecting the terminal clamps from the battery. On vehicles with KEYLESS-GO, make sure that the ignition is

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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 key 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. 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 179). Rreset the function for automatically

folding the exterior mirrors in/out by folding the mirrors out once (Y page 100).

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

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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.

! 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 262). X Open the hood (Y page 238). 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 262).

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Jump-starting

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 converter31 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 down32 .

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.

X Only use jumper cables which have a sufficient cross-section and insulated terminal clamps. X Make sure that the jumper cables cannot come into contact with parts, such as the pulley

or the fan. These parts move when the engine is started and while it is running.

X If 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 a little.

i Jumper cables and further information about jump-starting can be obtained from any

authorized Mercedes-Benz Center.

X Make sure that the two vehicles do not touch. X Apply the parking brake firmly.

31 Only vehicles with a gasoline engine. 32 Only vehicles with a gasoline engine.

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X Manual transmission: engage neutral. X Automatic transmission: move the selector lever to P. X Switch off all electrical consumers (e.g. radio, blower etc.). X Open the hood (Y page 238).

Position number B identifies the charged battery of the other vehicle or an equivalent jump- starting device. ! Never swap the terminal connections. 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, beginning with your own battery.

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

the jumper cable, connecting the jumper cable to donor battery B first.

X Start the engine. X First remove the jumper cable from earth point A and negative terminal ?, then from

positive terminal ; and positive terminal =, each time disconnecting from the battery on your own vehicle first.

X Have the battery checked at a qualified specialist workshop, e.g. an authorized Mercedes-

Benz Center.

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264 Towing and tow-starting

Towing and tow-starting Important safety notes G Warning If you tow the vehicle, you must use a rigid towing bar if: Rthe engine will not run. Rthere is a malfunction in the brake system. Rthere is a malfunction in the power supply

or the vehicle's electrical system.

With the engine not running, there is no power assistance for the brake and steering systems. You will then need considerably more force to steer and to brake and the brake pedal travel will be longer. If necessary, depress the brake pedal with maximum force. Before towing away, make sure that the steering can be moved and is not locked. If you tow or tow-start another vehicle, its weight must not exceed the maximum permissible gross vehicle weight of your vehicle.

It is better to have the vehicle transported than to have it towed. ! You may only tow the vehicle a maximum

distance of 30 miles (50 km). A towing speed of 30 mph (50 km/h) must not be exceeded. For towing distances over 30 miles (50 km), the vehicle must loaded onto a transporter.

! 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,

as this could damage the vehicle. If in doubt, recover the vehicle with a crane.

! Drive slowly and smoothly when towing. Excessive tractive power could otherwise damage the vehicles.

! Do not tow with sling-type equipment.

This could damage the vehicle.

! On vehicles with KEYLESS-GO, use the

SmartKey instead of the Start/Stop button. Turn the SmartKey to position 2 in the ignition lock and shift the automatic transmission to N. Then, turn the SmartKey back to 0 and leave it in the ignition lock.

! Vehicles with automatic transmission

must not be started by tow-starting. This could otherwise damage the transmission. ! Vehicles with 4MATIC must not be towed with the front or rear axle raised. This could otherwise damage the transmission. The automatic transmission must be in position N while the vehicle is being towed. The battery must be connected and charged. Otherwise: Ryou will not be able to turn the SmartKey to

position 2 in the ignition lock.

Ryou will not be able to shift the automatic

transmission to position N.

Vehicles with automatic transmission: manually release the selector lever lock in position P(Y page 144). i Switch the automatic lock (Y page 181) off before towing. Otherwise, you could lock yourself out of the vehicle when pushing or towing the vehicle.

Installing/removing the towing eye Installing the towing eye X Remove the towing eye from the vehicle

tool kit (Y page 253). G Warning The exhaust tail pipe may be hot. You could burn yourself if you touch the tail pipe. Be particularly careful when removing the rear cover.

The mountings for the removable towing eyes are located in the bumpers. They are at the front and at the rear, behind the covers.

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X Switch on the hazard warning flashers

(Y page 109).

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

X When leaving the vehicle, take the

SmartKey or the KEYLESS-GO key with you.

Towing vehicles with both axles on the ground When having your vehicle towed, observe the important safety notes (Y page 264). G Warning With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. Adapt your driving accordingly.

X Turn the SmartKey to position 2 in the

ignition lock.

X When the vehicle is stationary, depress the

brake pedal and hold it down.

X Vehicles with manual transmission:

depress the clutch pedal.

X Shift to neutral. or X Vehicles with automatic transmission:

shift the automatic transmission to position N.

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

(Y page 109).

i When towing with the hazard warning

flashers switched on, use the combination switch as usual to signal in which direction you are changing. In this case, only the indicator lamps for the direction of travel flash. When you reset the combination switch, the hazard warning flashers start flashing again.

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.

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 Only possible for vehicles without 4MATIC. When having your vehicle towed with the rear axle raised, observe the important safety notes (Y page 264). ! 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.

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266 Fuses

Transporting the vehicle The towing eye can be used to pull the vehicle onto a trailer or transporter for transporting purposes. X Vehicles with manual transmission:

shift to neutral.

X Vehicles with automatic transmission:

turn the SmartKey to position 2 in the ignition lock.

X Shift the selector lever to N. As soon as the vehicle has been loaded: X Prevent the vehicle from rolling away by

applying the parking brake.

X Vehicles with manual transmission:

shift to first gear or reverse gear.

X Vehicles with automatic transmission:

move the selector lever to P.

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

X Secure the vehicle. ! Only lash the vehicle down by the wheels or wheel rims, not by parts of the vehicle such as axle or steering components. Otherwise, the vehicle could be damaged.

Tow-starting (emergency engine starting) When tow-starting, observe the important safety notes (Y page 264). ! Vehicles with an automatic transmission

must not be tow-started. You could otherwise damage the automatic transmission.

Before tow-starting: Rthe battery must be connected Rthe engine must be cold Rthe catalytic converter must be cold X Switch on the hazard warning

lamps(Y page 109).

X Install the towing eye (Y page 264).

X Depress and hold the brake pedal. X Turn the SmartKey to position 2 in the

ignition lock.

X Depress and hold the clutch pedal. X Shift to neutral. X Release the brake pedal. X Shift to second gear. X Tow-start the vehicle. X Release the clutch pedal slowly and do not depress the accelerator pedal when doing so. The engine is started.

X Depress the clutch pedal and shift to

neutral.

X Engage the parking brake. X Stop the vehicle in a suitable location to

remove the tow bar or the tow rope. X Remove the towing eye (Y page 265). X Switch off the hazard warning lamps.

Fuses Important safety notes The fuses in your vehicle serve to close down faulty circuits. If a fuse blows, all the components on the circuit and their functions will fail. G Warning Only use fuses approved by Mercedes-Benz with the specified amperage for the system in question and do not attempt to repair or bridge a blown fuse. Using other than approved fuses or using repaired or bridged fuses may cause an overload leading to a fire, and/or cause damage to electrical components and/or systems. Have the cause determined and remedied by an authorized Mercedes-Benz Center.

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. An authorized

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Mercedes-Benz Center will be happy to advise you. i If a fuse has blown, visit a breakdown service or an authorized Mercedes-Benz Center.

If the newly inserted fuse also blows, have the cause traced and rectified at a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. ! 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.

Before changing a fuse X Park the vehicle and apply the parking

brake.

X Switch off all electrical consumers. X Remove the key from the ignition lock. The fuses are located in various fuse boxes: Rfuse box on the driver's side of the

dashboard

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 on the right when

viewed in the direction of travel

The fuse allocation chart is located in the vehicle tool kit (Y page 253) in the stowage compartment under the trunk floor.

Fuse box in the dashboard ! Do not use a pointed object such as a

screwdriver to open the cover in the dashboard. You could damage the dashboard or the cover.

X To open: pull out cover : slightly at the

bottom in the direction of arrow =.

X Pull cover : outwards in the direction of

arrow ; and remove it.

X To close: clip in cover : on the front of

the dashboard.

X Fold cover : inwards until it engages.

Fuse box in the engine compartment X Make sure that the windshield wipers are

turned off. G Risk of injury Make sure that the windshield wipers are turned off and the key is pulled out of the ignition lock before you open the cover of the fuse box. Otherwise, the windshield wipers and the wiper rods above the cover could be set in motion. This could lead to you or others being injured by the wiper rods.

X Open the hood (Y page 238).

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X Remove any existing moisture from the

fuse box using a dry cloth.

X Take lines ; from the guides. X To open: open clamps :. 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 the cover and close clamps :. X Secure lines ; in the guides. ! The cover must be seated properly,

otherwise moisture or dirt could impair the function of the fuses.

X Close the hood (Y page 239).

Fuse box in the trunk X Open the trunk lid.

X To open: turn rotary catch : clockwise. X Open cover ; downwards in the direction

of the arrow.

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Vehicle equipment ............................ 270
Important safety notes .................... 270
Directives to be observed ................ 271
Maintenance and care of wheels and tires ............................................. 271
Tire pressures ................................... 272
Loading the vehicle .......................... 280
Maximum tire load ............................ 284
Direction of rotation ......................... 284
Uniform Tire Quality Grading Standards .......................................... 284
Interchanging the wheels ................ 286
Tire labeling ....................................... 286
Definitions for tires and loading ...... 290
Wheel/tire combinations ................. 293

269

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Important safety notes

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.

Important safety notes

Contact an authorized Mercedes-Benz Center if you require information on tested and recommended tires and wheels for summer and winter driving. Advice on purchasing and caring for tires is also available there. G Warning Replace rims or tires with the same designation, manufacturer and type as shown on the original part. For further information contact an authorized Mercedes-Benz Center. If incorrectly sized rims and tires are mounted, the wheel brakes or suspension components can be damaged. Also, the operating clearance of the wheels and the tires may no longer be correct. G Warning Worn, old tires can cause accidents. If the tire tread is worn to minimum tread depth, or if the tires have sustained damage, replace them. When replacing rims, only use genuine Mercedes-Benz wheel bolts specified for the particular rim type. Failure to do so can result in the bolts loosening and possibly an accident.