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one spare wheel mounted.
For more information, see “Rims and Tires” (컄 page 429).
384
Spare wheel bolts
1 Wheel bolt for light alloy rims 2 Wheel bolt for spare wheel (located in
trunk with spare wheel)
Wheel bolts 2 must be used when mounting the spare wheel. The use of any wheel bolts other than wheel bolts 2 for the spare wheel will physi- cally damage the vehicle’s brakes.
Warning!
Make sure to use the original length wheel bolts when remounting the original wheel after it has been repaired.
Practical hints Where will I find ...?
385
Practical hints Unlocking/locking in an emergency
Unlocking the vehicle
Removing the mechanical key
Unlocking the driver’s door
If you are unable to unlock the vehicle with the SmartKey, open the driver’s door and the trunk using the mechanical key.
Unlocking and opening the driver’s door and/or the trunk with the me- chanical key will trigger the anti-theft alarm system*. To cancel the alarm, do one of the following: 앫 Press button Œ or ‹ on the
SmartKey.
앫 Insert the SmartKey in the starter
switch.
386
1 Mechanical key locking tab 2 Mechanical key 왘 Move locking tab 1 in direction of
1 Unlocking 왘 Insert the mechanical key into the
driver’s door lock until it stops.
arrow.
왘 Slide mechanical key 2 out of the
housing.
왘 Turn the mechanical key counterclock-
wise to position 1. The driver’s door is unlocked.
Unlocking and opening the trunk A minimum height clearance of 5.71 ft (1.74 m) is required to open the trunk lid. The trunk lid lock is located next to the handle above the rear license plate recess.
1 Unlocking in an emergency 2 Handle
Practical hints Unlocking/locking in an emergency
왘 Insert the mechanical key into the
Locking the vehicle
trunk lid lock until it stops.
왘 Turn the mechanical key
counterclockwise to position 1. The trunk lid unlocks.
왘 Pull on handle 2. The trunk opens.
The trunk lid swings open upwards automatically. Always make sure there is sufficient overhead clearance.
왘 Turn the mechanical key back and remove it from the trunk lid lock.
If you can not lock the vehicle with the SmartKey, do the following: 왘 Close the passenger door, the rear
doors and the trunk.
왘 Press the central locking switch in the
center console (컄 page 104).
왘 Check to see whether the locking
knobs on the doors have moved down. 왘 If necessary push them down manually. 왘 Remove the mechanical key out of the
SmartKey (컄 page 386).
왘 Check whether the trunk is locked. 왘 If necessary, lock the trunk with the
mechanical key (컄 page 103).
왘 Close the driver’s door.
Except for the driver’s door, the vehicle should now be locked.
컄컄
387
Practical hints Unlocking/locking in an emergency
컄컄
Manually unlocking the transmission gear selector lever
왘 Insert a tool 1 (e.g. flat blade screw
driver) into the opening.
왘 Perform the following two steps
simultaneously: 왘 Press tool 1 forward in the
direction of the arrow.
왘 Move gear selector lever from
position P.
왘 Remove tool 1 from the opening.
The gear selector lever is locked again when moving it to position P.
In case of power failure, the transmission gear selector lever can be manually un- locked, e.g. to tow the vehicle. 왘 Slide out the swiveling cup holder
(컄 page 259).
1 Locking 왘 Insert the mechanical key into the
driver’s door lock until it stops.
왘 Turn the mechanical key clockwise to
position 1. The driver’s door is locked.
1 Tool
388
Practical hints Opening/closing in an emergency
왔 Opening/closing in an emergency Power tilt/sliding sunroof
You can open or close the tilt/sliding sunroof manually should an electrical malfunction occur. The tilt/sliding sunroof drive is located behind the lens 1 of the interior overhead light.
1 Lens 왘 Remove SmartKey from the starter
switch.
왘 Pry off lens 1 using a flat blade
screwdriver.
2 Locking tabs 왘 Slide both locking tabs 2 in direction
3 Crank 왘 Insert crank 3 through hole on the left
of the arrows.
side.
왘 Lower the rear of the cover and
왘 Turn crank 3 clockwise to:
remove.
왘 Remove the cover. 왘 Take the crank 3 out of the Operator’s
Manual pouch.
Do not disconnect electrical connectors.
앫 slide sunroof closed 앫 raise sunroof at the rear
왘 Turn crank 3 counterclockwise to:
앫 slide sunroof open 앫 lower sunroof at the rear
컄컄
389
Practical hints Opening/closing in an emergency
컄컄
Turn crank 3 slowly and smoothly. The tilt/sliding sunroof must be synchronized after being operated manually (컄 page 244).
390
Practical hints Resetting activated head restraints
왔 Resetting activated head restraints Resetting activated head restraints
If the active head restraints have been trig- gered in a rear-end collision, the active head restraints must be reset. Otherwise, the active head restraint cannot offer any additional protection in the event of anoth- er rear-end collision.
For your convenience, we recommend that you have this work carried out by an authorized Mercedes-Benz Center. You will find the reset tool for manually operating the active head restraints in the Mercedes-Benz vehicle literature pouch.
왘 Take the reset tool out of the
Mercedes-Benz vehicle literature pouch.
왘 Guide reset tool into center of head re- straint between head restraint cushion and rear head restraint cover.
Take care to avoid damaging the uphol- stery.
왘 Press the reset tool forward in the di-
rection of the arrow.
왘 Press reset tool downward until you
hear the head restraint release mechanism audibly engage.
왘 Pull out reset tool. 왘 Firmly press the head restraint cushion
back toward the rear head restraint cover until it engages.
Warning!
When pushing back the head restraint cush- ion, take care that your fingers do not be- come caught between the head restraint cushion and the cover. Failing to do so may lead to injury.
왘 Repeat this procedure on the active
head restraint for the second seat.
For information on active head restraints, see “Active head restraint” (컄 page 71). For information on head restraint adjust- ment, see “Seats” (컄 page 35).
391
Practical hints Replacing SmartKey batteries
If the batteries in the SmartKey are discharged, the vehicle can no longer be locked or unlocked. It is recommended to have the batteries replaced at an authorized Mercedes-Benz Center.
Batteries contain materials that can harm the environment if disposed of improperly. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling.
Warning!
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help immediately.
When inserting the batteries, make sure they are clean and free of lint.
When replacing batteries, always replace both batteries of both SmartKeys. The required replacement batteries are available at any Mercedes-Benz Center.
392
Practical hints Replacing SmartKey batteries
SmartKey
Replacement batteries: Lithium, type CR 2025 or equivalent. 왘 Remove the mechanical key
(컄 page 386).
왘 Insert the mechanical key 1 in direc-
왘 Using a lint-free cloth, insert new
tion of arrow in side opening.
왘 Using mechanical key 1, push gray slide 2 to unlatch battery compart- ment 3.
왘 Pull battery compartment 3 out of the
housing in direction of arrow.
batteries 4 under the contact spring 5 with the positive terminal (+) side facing up.
왘 Return battery compartment 3 into
housing until it locks into place.
왘 Slide mechanical key 1 back into the
SmartKey.
왘 Check the operation of the SmartKey.
1 Mechanical key 2 Slide 3 Battery compartment
4 Battery 5 Contact spring 왘 Remove the batteries 4 in direction of
arrow.
393
i If the headlamps or front fog lamps are fogged up on the inside as a result of high humidity, driving the vehicle a distance with the lights on should clear up the fogging.
Substitute bulbs will be brought into use when lamps malfunction. Observe the messages in the multifunction display (컄 page 374).
Practical hints Replacing bulbs
Safe vehicle operation depends on proper exterior lighting and signaling. It is there- fore essential that all bulbs and lamp assemblies are in good working order at all times. Correct headlamp adjustment is extremely important. Have headlamps checked and readjusted at regular intervals and when a bulb has been replaced. See an authorized Mercedes-Benz Center for headlamp adjustment.
394
Bulbs
Practical hints Replacing bulbs
Lamp
Type
4 Halogen headlamp:
High beam/high beam flasher Bi-Xenon* headlamp: High beam flasher Parking and standing lamp
H7 (55 W)
H7 (55 W) W 5 W
5 Front fog lamp 6 Side marker lamp
HB4 (51 W) W 5 W
Front lamps
Lamp
1 Additional turn signal
lamp
2 Halogen headlamp:
Type LED
Turn signal lamp Bi-Xenon* headlamp: Turn signal lamp
1156 A
2357 A
3 Halogen headlamp:
Low beam Bi-Xenon* headlamp: Low and high beam1
H7 (55 W)
D2S-35 W
1 Vehicles with Bi-Xenon* headlamps: Low beam and high beam use the same D2S-35W lamp. Do not replace the Xenon bulbs yourself. Contact an authorized Mercedes-Benz Center.
395
Practical hints Replacing bulbs
Rear lamps
Lamp
7 High mounted brake
lamp
8 Brake lamp 9 Turn signal lamp a Parking and side
marker lamp b Backup lamp c License plate lamps d Rear fog lamp (driver’s
side only), tail and standing lamp
Type LED
P 21 W PY 21 W P 21/5 W
P 21 W C 5 W P 21/4 W
396
Warning!
Bulbs and bulb sockets can be very hot. Allow the lamp to cool down before changing a bulb.
Notes on bulb replacement 앫 Only use 12 volt bulbs of the same type
and with the specified watt rating.
앫 Switch lights off before changing a bulb
to prevent short circuits.
Keep bulbs out of reach of children.
앫 Always use a clean lint-free cloth when
handling bulbs.
앫 Your hands should be dry and free of oil
and grease.
앫 If the newly installed bulb does not
come on, visit an authorized Mercedes-Benz Center.
Halogen lamps contain pressurized gas. A bulb can explode if you 앫 touch or move it when hot 앫 drop the bulb 앫 scratch the bulb Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its components. We recommend that you have such work done by a qualified technician.
Practical hints Replacing bulbs
Replacing bulbs for front lamps
Before you start to replace a bulb for a front lamp, do the following first: 왘 Turn the exterior lamp switch to
position M (컄 page 114). 왘 Open the hood (컄 page 297).
Halogen headlamp
Have the LEDs and bulbs for the following lamps replaced by an authorized Mercedes-Benz Center: 앫 Additional turn signals in the exterior
rear view mirrors
앫 High mounted brake lamp 앫 Xenon* lamps 앫 Front fog lamps 앫 Front side marker lamps
Have the headlamp adjustment checked regularly.
3 Bulb socket for turn signal lamp bulb 4 Bulb socket for low beam bulb 5 Bulb socket for high beam bulb 6 Bulb socket for parking and standing
lamp bulb
1 Housing cover for low beam headlamp 2 Housing cover for high beam head-
lamp, parking and standing lamp
397
Practical hints Replacing bulbs
Low beam bulb 왘 Press the clamp on housing cover 1
High beam bulb 왘 Press the clamp on housing cover 2
and remove it.
and remove it.
왘 Pull the electrical connector off. 왘 Turn bulb socket 4 counterclockwise
왘 Pull the electrical connector off. 왘 Turn bulb socket 5 counterclockwise
and take out the bulb.
and take out the bulb.
왘 Insert the new bulb so that its socket
왘 Insert the new bulb so that its socket
locates in the recess of the lamp housing.
locates in the recess of the lamp housing.
왘 Turn bulb socket 4 clockwise until it
왘 Turn bulb socket 5 clockwise until it
engages.
engages.
왘 Plug the electrical connector onto the
왘 Plug the electrical connector onto the
bulb.
bulb.
왘 Align housing cover 1 and press until
왘 Align housing cover 2 and press until
it engages.
it engages.
398
Front turn signal lamp bulb 왘 Turn bulb socket 3 with the bulb
counterclockwise and remove it.
왘 Press gently onto the bulb and turn it
counterclockwise out of bulb socket 3.
왘 Press new bulb gently into bulb
socket 3 and turn clockwise until it engages.
왘 Place bulb socket 3 back into the
lamp and turn it clockwise.
Parking and standing lamp bulb 왘 Press the clamp on housing cover 2
and remove it.
왘 Pull out bulb socket 6 with the bulb. 왘 Pull the bulb out of bulb socket 6. 왘 Press the new bulb into bulb socket 6. 왘 Press bulb socket 6 back into the
lamp.
왘 Align housing cover 2 and press until
it engages.
Bi-Xenon* headlamp
Warning!
Do not remove the cover 1 for the Bi-Xenon headlamp. Because of high voltage in Bi-Xenon lamps, it is dangerous to replace the bulb or repair the lamp and its compo- nents. We recommend that you have such work done by a qualified technician.
1 Housing cover for Bi-Xenon headlamp 2 Housing cover for high beam flasher,
parking and standing lamp
3 Bulb socket for turn signal lamp bulb 4 Bulb socket for high beam flasher bulb 5 Bulb socket for parking and standing
lamp bulb
Practical hints Replacing bulbs
High beam flasher bulb 왘 Press the clamp on housing cover 2
and remove it.
왘 Pull the electrical connector off. 왘 Turn bulb socket 4 counterclockwise
and take out the bulb.
왘 Insert the new bulb so that its socket
locates in the recess of the lamp housing.
왘 Turn bulb socket 4 clockwise until it
engages.
왘 Plug the electrical connector onto the
bulb.
왘 Align housing cover 2 and press until
it engages.
399
Practical hints Replacing bulbs
Front turn signal lamp bulb 왘 Turn bulb socket 3 with the bulb
counterclockwise and remove it.
왘 Press gently onto the bulb and turn it
counterclockwise out of bulb socket 3.
왘 Press new bulb gently into bulb
socket 3 and turn clockwise until it engages.
왘 Place bulb socket 3 back into the
lamp and turn it clockwise.
Parking and standing lamp bulb 왘 Press the clamp on housing cover 2
and remove it.
왘 Pull out bulb socket 5 with the bulb. 왘 Pull the bulb out of bulb socket 5. 왘 Press the new bulb into bulb socket 5. 왘 Press bulb socket 5 back into the
lamp.
왘 Align housing cover 2 and press until
it engages.
400
Replacing bulbs for rear lamps
Before you start to replace a bulb for a rear lamp, do the following first: 왘 Turn the exterior lamp switch to
position M (컄 page 114). 왘 Open the trunk (컄 page 99).
Tail lamp unit
Additional turn signal lamp bulbs The additional turn signal lamps in the exterior rear view mirrors have LEDs. If a malfunction occurs or LEDs fail to func- tion, the entire turn signal unit must be re- placed. Have the turn signal unit replaced by an authorized Mercedes-Benz Center.
Front side marker lamp bulbs Since replacing the side marker lamp bulbs is a technically highly demanding process, we recommend you have the side marker lamp bulbs replaced by an authorized Mercedes-Benz Center.
1 Latch
왘 Fold the corresponding trim panel to
the side.
왘 Turn latch 1 to vertical position and
remove the bulb carrier.
왘 Press gently onto the respective bulb and turn counterclockwise out of its bulb socket.
왘 Press the new bulb gently into its bulb
socket and turn clockwise until it engages.
왘 Reinstall the bulb carrier and lock it
again with latch 1.
왘 Reinstall the trim panel.
Bulb carrier 2 Brake lamp bulb 3 Backup lamp bulb 4 Rear fog lamp (driver’s side only),
tail and standing lamp bulb
5 Parking and side marker lamp bulb 6 Turn signal lamp bulb
Practical hints Replacing bulbs
License plate lamp
1 Screw 왘 Loosen both screws 1. 왘 Remove the license plate lamp. 왘 Replace the bulb. 왘 Reinstall the license plate lamp. 왘 Retighten screws 1.
401
Practical hints Replacing wiper blades
Removing and installing wiper blades
왘 Remove SmartKey from starter switch.
왘 Pull the tab 2 in the direction of
Warning!
Removing wiper blades
For safety reasons, switch off wipers and remove SmartKey from starter switch be- fore replacing a wiper blade. Otherwise, the wiper motor could suddenly turn on and cause injury.
Never open the hood when the wiper arms are folded forward. For your convenience, we recommend that you have this work carried out by an authorized Mercedes-Benz Center.
1 Unlocking 2 Tab
arrow 1. The wiper blade is unlocked.
왘 Lift up the wiper arm as far as you need
to remove the wiper blade.
왘 Carefully fold the wiper arm back to
rest on the windshield.
Hold on to the wiper arm when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield.
402
Installing wiper blades
1 Recess 2 Tab 3 Locking 4 Taper piece 5 Square recess
왘 Lift up the wiper arm as far as you need to position the wiper blade under the wiper arm and hold it.
왘 Carefully fold the wiper arm back and
make sure that the taper piece 4 slides into the recess 1 at the wiper blade.
Make certain that the square recess 5 on the taper piece 4 is on the top, oth- erwise the taper piece 4 can not slide in the recess 1 at the wiper blade. If the square recess 5 is not at the top turn the taper piece 4 around to bring the square recess 5 to the top.
왘 Slide the tab 2 back in the direction of
arrow 3 until it audibly engages. The wiper blade is locked.
Practical hints Replacing wiper blades
Hold on to the wiper arm when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield. Make certain that the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage.
403
Practical hints Flat tire
Warning!
The dimensions of the spare wheel with col- lapsible tire are different from those of the road wheels. As a result, the vehicle han- dling characteristics change when driving with a spare wheel mounted. Adapt your driving style accordingly.
The spare wheel is for temporary use only. When driving with spare wheel mounted, ensure proper tire pressure and do not ex- ceed a vehicle speed of 50 mph (80 km/h).
Drive to the nearest Mercedes-Benz Center as soon as possible to have the spare wheel replaced with a regular road wheel.
Never operate the vehicle with more than one spare wheel mounted. Do not switch off the ESP® when a spare wheel
is mounted.
404
Preparing the vehicle
Mounting the spare wheel
Preparing the vehicle Prepare the vehicle as described (컄 page 404). 왘 Take the collapsible tire, wheel wrench, wheel bolts, jack, and electric air pump out of the trunk (컄 page 380).
왘 Park the vehicle in a safe distance from
moving traffic on a hard, flat surface when possible.
왘 Turn on the hazard warning flasher
(컄 page 119).
왘 Turn the steering wheel so that the front wheels are in a straight ahead position.
왘 Set the parking brake (컄 page 54). 왘 Move the gear selector lever to P. 왘 Turn off the engine (컄 page 56). 왘 Remove the SmartKey from the starter
switch.
왘 Have any passenger exit the vehicle at
a safe distance from the roadway.
Open doors only when conditions are safe to do so.
Lifting the vehicle 왘 Prevent the vehicle from rolling away by blocking wheels with wheel chocks or other sizable objects. One wheel chock is included with the vehicle tool kit (컄 page 380).
When changing wheel on a level surface: 왘 Place the wheel chock in front of and
another sizable object behind the wheel that is diagonally opposite to the wheel being changed.
Always try lifting the vehicle using the jack on a level surface. However, should cir- cumstances require you to do so on a hill, place the wheel chock and the other size- able object as follows: 왘 Place wheel chocks and another siz-
able object on the downhill side block- ing both wheels of the axle not being worked on.
Warning!
The jack is designed exclusively for jacking up the vehicle at the jack take-up brackets built into both sides of 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 firmly set parking brake and block wheels before raising vehicle with jack.
Do not disengage parking brake while the vehicle is raised. Be certain that the jack is always vertical (plumb line) when in use, especially on hills. Always try to use the jack on level surface. Make sure the jack arm is fully seated in the jack take-up bracket. Al- ways lower the vehicle onto sufficient ca- pacity jackstands before working under the vehicle.
Practical hints Flat tire
왘 On wheel to be changed, loosen but do
not yet remove the wheel bolts (approximately one full turn with wrench).
컄컄
405
Practical hints Flat tire
컄컄
The jack take-up brackets are located directly behind the front wheel housings and in front of the rear wheel housings.
Removing the wheel
왘 Jack up the vehicle until the wheel is a
maximum of 1.2 in (3 cm) from the ground. Never start engine while vehicle is raised.
1 Alignment bolt 왘 Unscrew upper-most wheel bolt and
remove.
Warning!
왘 Replace this wheel bolt with alignment
bolt 1 supplied in the tool kit.
The jack is intended only for lifting the vehicle briefly for wheel changes. It is not suited for performing maintenance work under the vehicle. 앫 Never start the engine when the vehicle
is raised.
앫 Never lie down under the raised vehicle.
왘 Remove the remaining bolts.
Do not place wheel bolts in sand or dirt. This could result in damage to the bolts and wheel hub threads.
왘 Remove the wheel.
1 Take-up bracket 2 Jack 왘 Place jack 2 on firm ground. 왘 Position jack 2 under take-up
bracket 1 so that it is always vertical (plumb-line) as seen from the side, even if the vehicle is parked on an incline.
406
Mounting the spare wheel
1 Wheel bolt for light alloy rims 2 Wheel bolt for spare wheel with
collapsible tire (located in trunk with spare wheel)
Wheel bolts 2 must be used when mounting the spare wheel. The use of any wheel bolts other than wheel bolts 2 for the spare wheel will physi- cally damage the vehicle’s brakes.
왘 Clean contact surfaces of wheel and
wheel hub.
To avoid paint damage, place wheel flat against hub and hold it there while installing first wheel bolt.
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 tight- ened wheel bolts can cause the wheel to come off. This could cause an accident. Make sure to use the correct wheel bolts.
Practical hints Flat tire
왘 Guide spare wheel onto the alignment
bolt and push it on.
왘 Insert wheel bolts and tighten them
slightly.
컄컄
407
Practical hints Flat tire
컄컄
Inflating the collapsible tire
Warning!
Inflate collapsible tire only after the wheel is properly mounted.
Inflate the collapsible tire using the electric pump (컄 page 408) before lowering the vehicle.
Warning!
왘 Unscrew the alignment bolt, install last
wheel bolt and tighten slightly.
Warning!
Observe instructions on air pump label.
Only use genuine equipment 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.
Do not lower the vehicle before inflating the collapsible tire. Otherwise the rim may be damaged.
왘 Take the electric air pump out of the
trunk (컄 page 381).
408
1 Flap 2 On/off switch 3 Electrical plug 4 Air hose with pressure gauge and vent
screw
5 Union nut 왘 Open flap 1 on electric air pump. 왘 Pull out electrical plug 3 and air hose
with pressure gauge 4.
왘 Remove the valve cap from the
collapsible tire valve.
왘 Screw union nut 5 onto the collaps-
ible tire valve.
왘 Insert electrical plug 3 into vehicle cigarette lighter socket (컄 page 263).
The cigarette lighter (컄 page 262) is not designed for use with the electric air pump. Use the power outlet in the rear passenger compartment (컄 page 263) for electric air pump operation.
왘 Turn the SmartKey in the starter switch
to position 1.
왘 Press I on electric air pump switch 2.
The electric air pump should now switch on and inflate the collapsible tire.
왘 Inflate the tire to approximately 51 psi
(3.5 bar). This takes about 5 minutes for the col- lapsible tire. Air hose 4 and union nut 5 can become hot during infla- tion. Exercise proper caution to avoid burning yourself when using the equip- ment.
Do not operate the electric air pump longer than 6 minutes without interrup- tion. Otherwise it may overheat. You may operate the electric air pump again after it has cooled off.
왘 Press 0 on electric air pump switch 2. 왘 Turn the SmartKey in the starter switch
to position 0.
왘 If the tire pressure is above 51 psi
(3.5 bar), release excess tire pressure using the vent screw.
Practical hints Flat tire
Warning!
Follow recommend inflation pressures.
Do not overinflate tires. Overinflating tires can result in sudden deflation (blowout) be- cause they are more likely to become punc- tured or damaged by road debris, potholes, etc.
Do not underinflate tires. Underinflated tires wear unevenly, adversely affect handling and fuel economy, and are more likely to fail from being overheated.
왘 Detach the electric air pump. 왘 Store the electrical plug and the air hose behind the flap and place the electric air pump back in the trunk.
409
Warning!
Have the tightening torque checked after changing a wheel. The wheels could come loose if they are not tightened to a torque of 80 lb-ft (110 Nm).
Before storing the jack, it should be fully collapsed, with handle folded in (storage position) (컄 page 381). 왘 Store the jack and the other vehicle
tools in the trunk.
1 - 5 Wheel bolts 왘 Tighten the five wheel bolts evenly,
following the diagonal sequence illustrated (1 to 5), until all bolts are tight. Observe a tightening torque of 80 lb-ft (110 Nm).
Practical hints Flat tire
Lowering the vehicle
Warning!
Inflate collapsible tire only after the wheel is properly mounted.
Inflate the collapsible tire using the electric pump (컄 page 408) before lowering the ve- hicle.
왘 Lower vehicle by turning crank
counterclockwise until vehicle is resting fully on its own weight.
왘 Remove the jack.
410
왔 Battery The battery is located in the engine compartment on the right hand side.
1 Clamps Removing filter box: 왘 Release clamps 1. 왘 Remove filter box. Installing filter box: 왘 Insert filter box properly. 왘 Secure it with clamps 1.
Practical hints Battery
Warning!
Warning!
Failure to follow these instructions can result in severe injury or death.
Do not place metal objects on the battery as this could result in a short circuit.
Observe all safety instructions and precautions when handling automotive batteries (컄 page 303). 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.
Use leak-proof battery only to avoid the risk of acid burns in the event of an accident.
Never loosen or detach battery termi- nal clamps while the engine is running or the SmartKey is in the starter switch. Otherwise the alternator and other electronic components could be se- verely damaged. Have the battery checked regularly by an authorized Mercedes-Benz Center. Refer to Maintenance Booklet for maintenance intervals or contact an authorized Mercedes-Benz Center for further information.
411
Practical hints Battery
1 Negative terminal 2 Positive terminal cover
412
왘 Remove the filter box (컄 page 411). 왘 Disconnect the battery negative lead
from negative terminal 1.
왘 Remove cover 2 from the positive
terminal.
왘 Disconnect the battery positive lead.
Removing the battery
왘 Remove the screw-nuts securing the
battery.
왘 Remove the battery bracket. 왘 Pull out the battery ventilation hose
from the battery (depending on battery arrangement in your vehicle model, the ventilation hose is located either on the left or right side of the battery).
왘 Take out the battery.
Disconnecting the battery
Warning!
With a disconnected battery 앫 you will no longer be able to turn the
SmartKey in the starter switch
앫 the gear selector lever will remain
locked in position P
Always disconnect the battery in the order described below. Otherwise the vehicle’s electronics can be damaged.
왘 Depress the parking brake pedal. 왘 Make sure the gear selector lever is set
to position P.
왘 Turn off all electrical consumers. 왘 Turn off the engine (컄 page 56). 왘 Remove SmartKey from starter switch. 왘 Open the hood (컄 page 297).
Practical hints Battery
Charging and reinstalling the battery
왘 Charge battery in accordance with the
Reconnecting the battery
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 charg- ing 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, permitting the charging of the bat- tery in its installed position. Contact an au- thorized Mercedes-Benz Center for information and availability. Charge battery in accordance with the separate instruc- tions for the accessory battery charger.
instructions of the battery charger manufacturer.
왘 Reinstall the charged battery. Follow
the previously described steps in reverse order.
The battery, its filler caps and the bat- tery ventilation hose must always be securely installed when the vehicle is in operation.
Always connect the battery in the order described below. Otherwise the vehicle’s electronics can be damaged.
왘 Turn off all electrical consumers. 왘 Remove SmartKey from starter switch. 왘 Connect the battery positive lead and
fasten its cover 2.
왘 Connect the battery negative lead.
Never invert the terminal connections!
왘 Reinstall the filter box (컄 page 411).
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Practical hints Battery
The following procedures must be carried out following any interruption of battery power (e.g. due to reconnec- tion): 앫 Set the clock (컄 page 140).
Vehicles with COMAND*: See COMAND operator’s manual.
앫 Synchronize side windows
(컄 page 240).
앫 Synchronize tilt/sliding sunroof
(컄 page 244).
Batteries contain materials that can harm the environment if disposed of improperly. Large 12 volt storage batteries contain lead. Recycling of batteries is the preferred method of disposal. Many states require sellers of batteries to accept old batteries for recycling.
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왔 Jump starting
Warning!
Do not tow-start the vehicle.
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 very 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. Do not attempt to start the engine using a battery quick charge unit. If engine does not run after several unsuccessful starting attempts, have it checked at the nearest authorized Mercedes-Benz Center. Excessive unburned fuel generated by repeated failed starting attempts may damage the catalytic converter and may present a fire risk. Make sure the jumper cables do not have loose or missing insulation. Make sure the cable clamps do not touch any other metal part while the other end is still attached to a battery.
Practical hints Jump starting
If the battery is discharged, the engine can be started with jumper cables and the battery of another vehicle. Observe the following: 앫 Jump starting should only be performed
when the engine and catalytic con- verter are cold.
앫 Do not start the engine if the battery is
frozen. Let the battery thaw out first.
앫 Only jump start from batteries with the
same voltage rating (12 V). Jump starting with a more powerful battery could damage the vehicle’s electrical system, which will not be covered by the Mercedes-Benz Limited Warranty. 앫 Only use jumper cables with sufficient
cross-section and insulated terminal clamps.
앫 Always make sure the jumper cables
are not on or near pulleys, fans, or oth- er parts that move when an engine is started or running.
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Practical hints Jump starting
Warning!
Keep flames or sparks away from battery. Do not smoke.
Observe all safety instructions and precau- tions when handling automotive batteries (컄 page 303).
The battery is located in the engine compartment on the right hand side. The terminals for jump starting are located in front of the battery. 왘 Make sure the two vehicles do not
touch.
왘 Turn off all electrical consumers. 왘 Apply parking brake. 왘 Shift gear selector lever to position P. 왘 Open the hood (컄 page 297). 왘 Flip up cover positive under hood
terminal 2 in front of the filter box (컄 page 411).
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왘 Start engine of the vehicle with the
charged battery and run at idle speed. 왘 Connect negative terminal 4 of the charged battery with negative under hood terminal 3 in front of the filter box with the jumper cables. Clamp ca- ble to charged battery 4 first. 왘 Start the engine of the disabled
vehicle.
You can now again turn on the electrical consumers. Do not turn on the lights under any circumstances. 왘 Remove the jumper cables first from
negative terminals 3 and 4 and then from positive terminals 2 and 1.
You can now turn on the lights. 왘 Have the battery checked at the near- est authorized Mercedes-Benz Center.
1 Positive terminal of charged battery 2 Positive under hood terminal in front of
discharged battery
3 Negative under hood terminal in front
of discharged battery
4 Negative terminal of charged battery 왘 Connect positive terminal 1 of the charged battery with positive under hood terminal 2 in front of the filter box with the jumper cables. Clamp ca- ble to charged battery 1 first.
Never invert the terminal connections!
When circumstances do not permit the recommended towing methods, the vehicle may be towed with all wheels on the ground or front wheels raised only so far as necessary to have the vehicle moved to a safe location where the recommended towing methods can be employed.
If the vehicle is towed with the front axle raised, the engine must be shut off (SmartKey in starter switch position 0 or 1). Otherwise the ESP® will immedi- ately be engaged and will apply the rear wheel brakes.
왔 Towing the vehicle Mercedes-Benz recommends that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment. This method is preferable to other types of towing.
Do not tow-start the vehicle.
Use flatbed or wheel lift/dolly equip- ment with the SmartKey in the starter switch turned to position 0. Do not tow with sling-type equipment. Towing with sling-type equipment over bumpy roads will damage radiator and supports. To prevent damage during transport, do not tie down vehicle by its chassis or suspension parts. Switch off the tow-away alarm* (컄 page 90) and deactivate the auto- matic central locking (컄 page 147).
Practical hints Towing the vehicle
When towing the vehicle with all wheels on the ground, the gear selector lever must be in position N and the SmartKey must be in starter switch position 2. When towing the vehicle with all wheels on the ground or the front axle raised, the vehicle may be towed only for distances up to 30 miles (50 km) and at a speed not to exceed 30 mph (50 km/h).
To be certain to avoid a possibility of damage to the drivetrain, however, we recommend the drive shaft be discon- nected at the rear axle drive flange for any towing beyond a short tow to a nearby garage.
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Practical hints Towing the vehicle
Warning!
If circumstances require towing the vehicle with all wheels on the ground, always tow with a tow bar if: 앫 the engine will not run 앫 there is a malfunction in the power supply or in the vehicle’s electrical system
as that will be necessary to adequately control the towed vehicle.
Prior to towing the vehicle with all wheels on the ground, make sure the SmartKey is in starter switch position 2.
If the SmartKey is left in starter switch position 0 for an extended period of time, it can no longer be turned in the switch. In this case, the steering is locked. To unlock, remove SmartKey from starter switch and reinsert.
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To signal turns while being towed with the hazard warning flasher in use, switch on the ignition and activate the combination switch for the left or right turn signal in the usual manner – only the selected turn signal will operate. Upon canceling the turn signal, the hazard warning flasher will operate again.
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 ve- hicle. Adapt your driving accordingly.
When towing the vehicle with all wheels on the ground, please note the following: With the automatic central locking activated and the SmartKey in starter switch position 2, the vehicle doors lock if the left front wheel as well as the right rear wheel are turning at vehicle speeds of approx. 9 mph (15 km/h) or more. Switch off the tow-away alarm* (컄 page 90). To prevent the vehicle doors from locking, deactivate the automatic central locking (컄 page 147). Towing of the vehicle should only be done using the properly installed towing eye bolt. Never attach tow cable, tow rope or tow rod to vehicle chassis, frame or suspension parts.
i If the battery is disconnected or discharged 앫 the SmartKey will not turn in the starter switch. For more informa- tion, see “Battery” (컄 page 411) and “Jump starting” (컄 page 415). 앫 the gear selector lever will remain locked in position P. For informa- tion on manually unlocking the transmission gear selector lever (컄 page 388).
Installing towing eye bolt
1 Cover on right side of front bumper.
2 Cover on right side of rear bumper.
Practical hints Towing the vehicle
Removing cover 왘 Press mark on cover 1 or 2 in
direction of arrows.
왘 Lift cover off to reveal the threaded
hole for towing eye bolt.
The towing eye bolt is supplied with the tool kit (located in the compartment under- neath the trunk floor). 왘 Screw towing eye bolt in to its stop and
tighten with lug wrench.
Reinstalling cover 왘 Fit cover 1 or 2 and snap into place.
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Practical hints Fuses
Fuses are designed to protect the electri- cal circuits in your vehicle from a short cir- cuit. If a fuse is blown, the component(s) and systems secured by that fuse will stop operating. The following aids are available to help you replace fuses (컄 page 420): 앫 Fuse chart 앫 Spare fuses 앫 Fuse extractor
Warning!
Only use fuses approved by Mercedes-Benz with the specified amperage for the system in question. Using other fuses may cause an overload leading to a fire, and/or cause damage to electrical components and/or systems.
Never attempt to repair or bridge a blown fuse. Have the cause determined and remedied by an authorized Mercedes-Benz Center.
Keep the fuse boxes free by contamina- tion and wetness. Otherwise, electrical parts or systems could be damaged.
The electrical fuses are located in different fuse boxes: 앫 Main fuse box in passenger compartment (컄 page 421)
앫 Fuse box in engine compartment
(컄 page 421)
앫 Fuse box in trunk (컄 page 422)
Aids for replacing fuses
Fuse chart The fuse chart is located in the main fuse box in the passenger compartment (컄 page 421). The amperages of the fuses are also given there.
Spare fuses Spare fuses are located in the vehicle tool kit in the trunk (컄 page 380).
Fuse extractor The fuse extractor is located in the fuse box cover in the trunk (컄 page 422).
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Practical hints Fuses
Main fuse box in passenger compartment
The main fuse box is located in the passen- ger compartment on the driver’s side of the cockpit.
Closing fuse box 왘 Attach fuse box cover 1 in the front. 왘 Fold fuse box cover 1 in until it
engages.
Fuse box in engine compartment
Removing cover 왘 Twist screws 2
90° counterclockwise.
왘 Lift the rear of cover 1. 왘 Slide out retainer 3 and remove cover 1 by pulling towards front.
The fuse box is located in the engine compartment on the driver’s side.
Opening fuse box
1 Main fuse box cover
Opening fuse box 왘 Open the driver’s door. 왘 Pull fuse box cover 1 open with a
screw driver or similar tool (see arrow).
왘 Remove fuse box cover 1 rearward.
1 Cover 2 Screws 3 Retainer
4 Fuse box cover 5 Clamps 왘 With a dry cloth, remove any moisture
from the fuse box. 왘 Release clamps 5. 왘 Remove fuse box cover 4.
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Practical hints Fuses
Closing fuse box 왘 Make sure that the sealing rubber is
properly positioned.
왘 Press fuse box cover 4 down and
secure with clamps 5.
Installing cover 왘 Insert cover 1 sideways into
retainer 3.
왘 Twist screws 2 90° clockwise.
Fuse box in trunk
The fuse box is located in the trunk behind the left-hand trim panel.
Opening fuse box 왘 Pull away trim panel 1. 왘 Remove fuse box cover 3.
Closing fuse box 왘 Insert fuse box cover 3. 왘 Insert trim panel 1.
1 Trim panel 2 Fuse extractor 3 Fuse box cover
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Technical data Parts service
Warranty coverage
Identification labels
Layout of poly-V-belt drive
Engine
Rims and Tires
Electrical system
Main dimensions and weights
Fuels, coolants, lubricants, etc.
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Technical data Parts service
The “Technical data” section provides the necessary technical data for your vehicle.
The use of non-genuine Mercedes-Benz parts and accessories not authorized by Mercedes-Benz could damage the vehicle, which is not covered by the Mercedes-Benz Limited Warranty, or could compromise the vehicle’s durability or safety.
All authorized Mercedes-Benz Centers maintain a stock of Genuine Mercedes-Benz parts required for mainte- nance and repair work. In addition, strate- gically located parts distribution centers provide quick and reliable parts service. More than 300000 different parts for Mercedes-Benz models are available. Genuine Mercedes-Benz parts are subject to stringent quality inspections. Each part has been specifically developed, manufac- tured or selected for and adapted to Mercedes-Benz vehicles. Therefore, Genuine Mercedes-Benz parts should be installed.
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Technical data Warranty coverage
Replacement parts and accessories are covered by the Mercedes-Benz Parts and Accessories warranties, copies of which are available at any Mercedes-Benz Center.
Loss of Service and Warranty Information Booklet
Should you lose your Service and Warranty Information booklet, have an authorized Mercedes-Benz Center arrange for a replacement. It will be mailed to you.
왔 Warranty coverage Your vehicle is covered under the terms of the warranties printed in the Service and Warranty Information booklet. Your authorized Mercedes-Benz Center will ex- change or repair any defective parts origi- nally installed in the vehicle in accordance with the terms of the following warranties: 앫 New Vehicle Limited Warranty 앫 Emission System Warranty 앫 Emission Performance Warranty 앫 California, Maine, Massachusetts, and
Vermont Emission Control Systems Warranty
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Technical data Identification labels
1 Certification label
(includes Paintwork code)
2 Vehicle Identification Number (VIN)
3 Vacuum line routing diagram label 4 Engine number (engraved on engine) 5 VIN, visible (lower edge of windshield) 6 Emission control information label, includes both federal and California certification exhaust emission standards
When ordering parts, please specify vehicle identification and engine num- bers.
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왔 Layout of poly-V-belt drive
Technical data Layout of poly-V-belt drive
C 55 AMG 1 Automatic belt tensioner 2 Power steering pump 3 Air conditioning compressor 4 Crankshaft 5 Coolant pump 6 Generator (alternator) 7 Idler pulley
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Technical data Engine
Model Engine Mode of operation No. of cylinders Bore Stroke Total piston displacement Compression ratio Output acc. to SAE J 1349
Maximum torque acc. to SAE J 1349
C 55 AMG (203.076)1
113
4-stroke engine, gasoline injection 3.82 in (97.00 mm) 3.60 in (92.00 mm) 331.8 cu in (5439 cm3) 11:1
362 hp/5750 rpm 2
(270 kW/5750 rpm) 376 lb-ft/4000 rpm (510 Nm/4000 rpm) 6700 rpm 1-5-4-2-6-3-7-8
2380 mmMaximum engine speed Firing order Poly-V-belt 1 The quoted data apply only to the standard vehicle. See an authorized Mercedes-Benz Center for the corresponding data of all special
bodies and special equipment.
2 Premium fuel required. Performance may vary with fuel octane rating.
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왔 Rims and Tires
Only use tires which have been tested and approved for your vehicle by Mercedes-Benz. Tires approved by Mercedes-Benz are developed to pro- vide best possible performance in con- junction with the driving safety systems on your vehicle such as ABS or ESP®. Tires specially developed for your vehicle and tested and approved by Mercedes-Benz can be identified by finding the following on the tire’s side- wall: 앫 MO = Mercedes-Benz Original
equipment tires AMG vehicles: Does not apply to all approved tires on AMG vehicles. For information on tested and approved tires for AMG vehicles, contact an autho- rized Mercedes-Benz Center.
Using tires other than those approved by Mercedes-Benz may result in dam- age that is not covered by the Mercedes-Benz Limited Warranty.
Using tires other than those approved by Mercedes-Benz can have detrimen- tal effects, such as 앫 poor handling characteristics 앫 increased noise 앫 increased fuel consumption Moreover, tires and rims not approved by Mercedes-Benz may, under load, exhibit dimensional variations and dif- ferent tire deformation characteristics that could cause them to come into contact with the vehicle body or axle parts. Damage to the tires or the vehi- cle may be the result.
Technical data Rims and Tires
Further information on tires and rims is available at any authorized Mercedes-Benz Center. A placard with the recommended tire inflation pressures is located on the driver’s door B-pillar. Some vehicles may have supplemental tire inflation pressure information for driving at high speeds (컄 page 316) or for vehicle loads less than the maximum loaded vehicle condition (컄 page 316). If such infor- mation is provided, it can be found on the placard located on the inside of the fuel filler flap. The tire inflation pres- sure should be checked regularly and should only be adjusted on cold tires. Follow tire manufacturer’s mainte- nance recommendation included with vehicle.
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Technical data Rims and Tires
The following pages also list the ap- proved wheel rim and tire sizes for equipping your vehicles with winter tires. Winter tires are not available as standard or optional factory equip- ment, but can be purchased from an authorized Mercedes-Benz Center. Depending on vehicle model and the standard or optional factory-equipped wheel rim/tire configuration on your vehicle (Sport Package etc.), equipping your vehicle with winter tires approved for your vehicle model may also require the purchase of two or four wheel rims of the recommended size for use with these winter tires. See an authorized Mercedes-Benz Center for more infor- mation.
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Same size tires
Model Winter tires1,2
Rims (light alloy) Wheel offsetWinter tires1,2,3
Rims (light alloy) Wheel offsetC 55 AMG 205/50 R17 89H M+S. 7.5 J x 17 H2
1.46 in (37 mm)225/45 R17 91H M+S. 7.5 J x 17 H2
1.46 in (37 mm)Winter tires1,2,3
Rims (light alloy) Wheel offset 1 Radial-ply tires 2 Not available as factory equipment. 3 For use with snow chains contact an authorized Mercedes-Benz Center.225/40 R18 92H XL (Extra Load) M+S. 7.5 J x 18 H2
