2005 Mercedes-benz C Class Owners Manual

CR 2025 or equivalent. 왘 Remove the mechanical key

(컄 page 383).

왘 Insert mechanical key 1 in side

opening and push grey slide. Battery compartment 2 is unlatched. 왘 Pull battery compartment 2 out of the

housing in direction of arrow.

왘 Remove the batteries.

1 Mechanical key 2 Battery compartment

3 Battery 4 Contact spring

Practical hints Replacing SmartKey batteries

왘 Using a lint-free cloth, insert new

batteries 3 under contact spring 4 with the plus (+) side facing up.

왘 Return battery compartment 2 into

housing until it locks into place.

왘 Slide mechanical key 1 back into the

SmartKey.

왘 Check the operation of the SmartKey.

389

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.

Bulbs

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 371).

390

Practical hints Replacing bulbs

Front lamps

Lamp

1 Additional turn signal

lamp

2 Halogen headlamp:

Turn signal lamp Bi-Xenon* headlamp: Turn signal lamp

3 Halogen headlamp:

Low beam Bi-Xenon* headlamp: Low and high beam1

Type LED

1156 A

2357 A

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. See an authorized Mercedes-Benz Center.

Lamp

Type

4 Halogen headlamp:

High beam/high beam flasher Bi-Xenon* headlamp: High beam flasher Parking and standing lamp

5 Front fog lamp

Front fog lamp with cornering fog lamp*

H7 (55 W)

H7 (55 W) W 5 W

HB4 (51 W) H7 (55 W)

6 Side marker lamp

W 5 W

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

391

Practical hints Replacing bulbs

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.

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

Have the headlamp adjustment checked regularly.

392

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 117).

왘 Open the hood (컄 page 296) (except

for side marker lamps).

Halogen headlamp

1 Housing cover for low beam headlamp 2 Housing cover for high beam head-

lamp, parking and standing lamp

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

Practical hints Replacing bulbs

Low beam bulb 왘 Press the clamp on housing cover 1

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 1 and press until

it engages.

393

Practical hints Replacing bulbs

High beam bulb 왘 Press the clamp on housing cover 2

and remove it.

Front turn signal lamp bulb 왘 Turn bulb socket 3 with the bulb counterclockwise and remove it.

Parking and standing lamp bulb 왘 Press the clamp on housing cover 2

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.

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.

왘 Pull the electrical connector off. 왘 Turn bulb socket 5 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 5 clockwise until it

engages.

왘 Plug the electrical connector onto the

bulb.

왘 Align housing cover 2 and press until

it engages.

394

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.

395

Practical hints Replacing bulbs

Front turn signal lamp bulb 왘 Turn bulb socket 3 with the bulb counterclockwise and remove it.

Parking and standing lamp bulb 왘 Press the clamp on housing cover 2

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.

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.

396

Side marker lamp

왘 Carefully slide the lamp towards the

rear in direction of arrows. 왘 Remove the front end first. 왘 Turn the bulb socket with the bulb

counterclockwise and remove it.

왘 Pull the bulb out of the bulb socket. 왘 Insert the new bulb into the bulb

socket.

왘 Place the bulb socket back into the

lamp and turn it clockwise.

왘 To reinstall the lamp, set the rear end in

the bumper and let the front end engage.

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 117).

왘 Open the trunk lid (컄 page 99).

Tail lamp unit

1 Latch 왘 Fold the corresponding trim panel to

the side.

왘 Turn latch 1 to vertical position and

remove the bulb carrier.

Practical hints Replacing bulbs

왘 Reinstall the bulb carrier and lock it

again with latch 1.

왘 Reinstall the trim panel.

License plate lamp

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 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.

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.

397

Practical hints Replacing wiper blades

Removing wiper blades

왘 Pull the tab in direction of arrow 1 and

remove wiper blade.

Warning!

Installing wiper blades

For safety reasons, switch off wipers and remove SmartKey from starter switch before replacing a wiper blade. Otherwise, the wiper motor could suddenly turn on and cause injury.

왘 Remove SmartKey from starter switch. 왘 Fold wiper arm forward.

왘 Slide the wiper blade into the cutout on

the wiper arm (see arrows).

왘 Slide the tab back in the direction of

arrow 2 until it audibly engages.

왘 Fold the wiper arm backward to rest on the windshield. Make sure you hold on to the wiper when folding the wiper arm back.

Never open the hood when the wiper arms are folded forward. Hold on to the wiper when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield. Do not allow the wiper arms to contact the windshield glass without a wiper blade inserted. Make certain that the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage. For your convenience, we recommend that you have this work carried out by an authorized Mercedes-Benz Center.

1 Unlock 2 Lock

398

왔 Flat tire

Warning!

The dimensions of the Minispare wheel are different from those of the road wheels. As a result, the vehicle handling characteristics change when driving with a Minispare wheel mounted. Adapt your driving style accord- ingly.

The Minispare wheel is for temporary use only. When driving with Minispare wheel mounted, ensure proper tire inflation pressure and do not exceed a vehicle speed of 50 mph (80 km/h).

Drive to the nearest Mercedes-Benz Center as soon as possible to have the Minispare wheel replaced with a regular road wheel.

Never operate the vehicle with more than one Minispare wheel mounted.

Preparing the vehicle

Mounting the Minispare wheel

Practical hints Flat tire

Preparing the vehicle Prepare the vehicle as described (컄 page 399). 왘 Take the wheel wrench, the wheel bolts, and the jack out of the trunk (컄 page 377).

왘 Take the Minispare wheel out of the

trunk (컄 page 380).

왘 Park the vehicle as far as possible from

moving traffic on a hard surface.

왘 Turn on the hazard warning flasher

(컄 page 123).

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 (manual transmission: to first or reverse gear).

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.

399

Practical hints Flat tire

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 377).

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.

When changing wheel on a hill: 왘 Place the wheel chock and another sizable object on the downhill side blocking both wheels of the other axle.

400

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.

왘 On wheel to be changed, loosen but do

not yet remove the wheel bolts (approximately one full turn with wrench).

The jack take-up brackets are located directly behind the front wheel housings and in front of the rear wheel housings.

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.

Practical hints Flat tire

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.

Warning!

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.

1 Alignment bolt 왘 Unscrew upper-most wheel bolt and

remove.

왘 Replace this wheel bolt with alignment

bolt 1 supplied in the tool kit.

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.

401

Practical hints Flat tire

Mounting the spare wheel

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.

1 Wheel bolt for light alloy rims 2 Wheel bolt for Minispare wheel or other steel rims (located in trunk with spare wheel)

Wheel bolts 2 must be used when mounting the Minispare wheel or other steel rims. The use of any wheel bolts other than wheel bolts 2 for the Minispare wheel or other steel rims will physically damage the vehicle’s brakes.

402

왘 Guide spare wheel onto the alignment

bolt and push it on.

왘 Insert wheel bolts and tighten them

slightly.

Lowering the vehicle 왘 Lower vehicle by turning crank

counterclockwise until vehicle is resting fully on its own weight.

왘 Remove the jack.

왘 Unscrew the alignment bolt, install last

wheel bolt and tighten slightly.

Warning!

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.

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

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 379). 왘 Store the jack and the other vehicle

tools in the trunk.

403

Practical hints Battery

The battery is located in the engine compartment on the right hand side.

Warning!

Failure to follow these instructions can result in severe injury or death.

Observe all safety instructions and precautions when handling automotive batteries (컄 page 302). 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.

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.

404

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.

Warning!

Do not place metal objects on the battery as this could result in a short circuit.

Use leak-proof battery only to avoid the risk of acid burns in the event of an accident.

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

1 Negative terminal 2 Positive terminal cover

Disconnecting the battery

Charging and reinstalling the battery

Practical hints Battery

왘 Charge battery in accordance with the

instructions of the battery charger manufacturer.

왘 Reinstall the charged battery. Follow

the previously described steps in reverse order.

Warning!

Never charge a battery while still installed in the vehicle. Gases may escape during charg- ing and cause explosions that may result in paint damage, corrosion or personal injury.

왘 Turn off the engine (컄 page 56). 왘 Turn off all electrical consumers. 왘 Remove SmartKey from starter switch. 왘 Open the hood (컄 page 296). 왘 Remove the filter box (컄 page 404). 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 Take out the battery.

405

Practical hints Battery

Reconnecting the battery

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.

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 145).

Vehicles with COMAND*: See COMAND operator’s manual.

NEVER invert the terminal connections!

앫 Synchronize side windows

(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.

왘 Reinstall the filter box (컄 page 404).

The battery, its filler caps and the vent tube must always be securely installed when the vehicle is in operation.

앫 Synchronize tilt/sliding sunroof*

(컄 page 248).

406

왔 Jump starting

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 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.

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.

Practical hints Jump starting

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.

407

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 302).

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

(manual transmission: to Neutral).

408

왘 Connect negative terminal 4 of the charged battery with negative under hood terminal 3 in front of the discharged battery with the jumper cables. Clamp cable 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.

Vehicles with automatic transmission and/or 4MATIC: Do not tow-start the vehicle.

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 discharged battery with the jumper cables. Clamp cable to charged battery 1 first.

왘 Start engine of the vehicle with the

charged battery and run at idle speed.

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.

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 91) and deactivate the auto- matic central locking (컄 page 153).

When circumstances do not permit the recommended towing methods, the vehicle may be towed with all wheels on the ground or front wheels raised (except vehicles with 4MATIC) only so far as necessary to have the vehicle moved to a safe location where the recommended towing methods can be employed.

Vehicles with automatic transmission and/or 4MATIC: Do not tow-start the vehicle.

Vehicles with 4MATIC: Do not tow with one axle raised. Doing so could damage the transfer case, which is not covered by the Mercedes-Benz Limited Warranty. All wheels must be on or off the ground. Observe instructions for towing the vehicle with all wheels on the ground.

Practical hints Towing the vehicle

If the vehicle is towed with the front axle raised (not permissible for vehicles with 4MATIC), the engine must be shut off (SmartKey in starter switch position 0 or 1). Otherwise the ESP will immediately be engaged and will apply the rear wheel brakes. When towing the vehicle with all wheels on the ground, the gear selector lever must be in position N (manual trans- mission: gears disengaged) 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).

409

Practical hints Towing the vehicle

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 (vehicles with 4MATIC: disconnected at the front and rear axle drive flanges) for any towing beyond a short tow to a nearby garage.

410

To signal turns while being towed with the hazard warning flasher in use, switch on 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!

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.

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 91). To prevent the vehicle doors from locking, deactivate the automatic central locking (컄 page 153). 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.

Practical hints Towing the vehicle

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 404) and “Jump starting” (컄 page 407). 앫 the gear selector lever will remain locked in position P. For informa- tion on manually unlocking the transmission gear selector lever see (컄 page 386).

411

Practical hints Towing the vehicle

Installing towing eye bolt

1 Cover on right side of front bumper.

2 Cover on right side of rear bumper.

Removing cover 왘 Press mark on cover 1 or 2 in

direction of arrows.

왘 Lift cover off to reveal 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.

412

왔 Fuses The electrical fuses in your vehicle serve to stop the supply of electricity to a device that is malfunctioning. This helps to prevent damage to the other vehicle electronics. The following aids are available to help you change fuses (컄 page 413): 앫 Fuse chart 앫 Spare fuses 앫 Fuse extractor

Warning!

Only use fuses approved for Mercedes-Benz with the specified amperage for the system in question. Otherwise, a short circuit could result and cause a fire.

Only install fuses that have been tested and approved by Mercedes-Benz and that have the specified amperage rating. Otherwise, electrical parts or systems could be damaged. Never attempt to repair or bridge a blown fuse. Have the cause determined and remedied by an authorized Mercedes-Benz Center.

The electrical fuses are located in different fuse boxes: 앫 Main fuse box in passenger compartment (컄 page 414)

앫 Fuse box in engine compartment

(컄 page 414)

앫 Fuse box in trunk (컄 page 416)

Practical hints Fuses

Aids for changing fuses

Fuse chart The fuse chart is found in the main fuse box in the passenger compartment (컄 page 414). The amperages of the fuses are also given there.

Spare fuses Spare fuses are found in the vehicle tool kit in the spare wheel well (컄 page 377).

Fuse extractor The fuse extractor is found in the fuse box cover in the trunk (컄 page 416).

413

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.

Fuse box in engine compartment

The fuse box is located in the engine compartment on the driver’s side.

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.

Closing fuse box 왘 Attach fuse box cover 1 in the front. 왘 Fold fuse box cover 1 in until it

engages.

1 Main fuse box cover

1 Cover 2 Screws 3 Retainer

414

Opening fuse box

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.

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.

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.

415

Practical hints Fuses

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 until it

engages.

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

Weights

Fuels, coolants, lubricants, etc.

417

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.

418

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 autho- rized Mercedes-Benz Center will exchange or repair any defective parts originally in- stalled 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

419

Technical data Identification labels

1 Certification label

(includes Paintwork code)

2 Vehicle Identification Number (VIN)

3 Emission control information label, includes both federal and California certification exhaust emission standards

4 Engine number (engraved on engine) 5 VIN, visible (lower edge of windshield) 6 Vacuum line routing diagram label

When ordering parts, please specify vehicle identification and engine numbers.

420

왔 Layout of poly-V-belt drive C 230 Kompressor (all models)

C 240 (all models)/C 320 (all models)

Technical data Layout of poly-V-belt drive

1 Power steering pump 2 Idler pulley 3 Supercharger 4 Automatic belt tensioner 5 Air conditioning compressor 6 Crankshaft 7 Coolant pump 8 Generator (alternator)

1 Automatic belt tensioner 2 Power steering pump 3 Air conditioning compressor 4 Crankshaft 5 Coolant pump 6 Generator (alternator) 7 Idler pulley

421

Technical data Engine

Model

C 230 Kompressor (203.040)1 (Canada only) C 230 Kompressor Sport (203.040)1
271
4-stroke engine, gasoline injection 3.23 in (82.00 mm) 3.35 in (85.00 mm) 109.6 cu in (1796 cm3) 8.5:1
189 hp/5800 rpm2
(141 kW/5800 rpm) 192 lb-ft/3500 - 4000 rpm (260 Nm/3500 - 4000 rpm) 6000 rpm 1-3-4-2
2420 mm

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
Maximum 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.

C 240 (203.061)1
C 240 4MATIC (203.081)1
112
4-stroke engine, gasoline injection 3.54 in (89.90 mm) 2.68 in (68.20 mm) 158.5 cu in (2597 cm3) 10.5:1
168 hp/5500 rpm 2
(125 kW/5500 rpm) 177 lb-ft/4500 rpm (240 Nm/4500 rpm) 6200 rpm 1-4-3-6-2-5
2380 mm

422

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 320 (203.064)1 (USA only) C 320 Sport (203.064)1
C 320 4MATIC (203.084)1
112
4-stroke engine, gasoline injection 3.54 in (89.90 mm) 3.31 in (84.00 mm) 195.2 cu in (3199 cm3) 10:1
215 hp/5700 rpm 2
(160 kW/5700 rpm) 229 lb-ft/3000 - 4600 rpm (310 Nm/3000 - 4600 rpm) 6000 rpm 1-4-3-6-2-5
2380 mm

Maximum 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.

Technical data Engine

423

Technical data Rims and Tires

Only use tires and rims which have been specifically developed for your vehicle and tested and approved by Mercedes-Benz. Other tires and rims can have detrimental 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 different tire deformation characteris- tics that could cause them to come into contact with the vehicle body or axle parts. Damage to the tires or the vehicle may be the result.

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 314) or for vehicle loads less than the maximum loaded vehicle con- dition. If such information is provided, it can be found on the placard located on the inside of the fuel filler flap. The tire inflation pressure should be checked regularly and should only be adjusted on cold tires. Follow tire manufacturer’s maintenance recom- mendation included with vehicle.

424

Same size tires

Model

Rims (light alloy) Wheel offset All-season tires (radial-ply tires) Summer tires (radial-ply tires) Winter tires (radial-ply tires)

C 230 Kompressor (Canada only) C 230 Kompressor Sport C 240
C 240 4MATIC C 320 (USA only) C 320 Sport C 320 4MATIC 7 J x 16 H2
1.22 in (31 mm) 205/55 R16 91H M+S 205/55 R16 91H M+S

Technical data Rims and Tires

425

C 230 Kompressor Sport C 320 Sport

71/2 J x 17 H2
1.42 in (36 mm) 225/45 R17 91W

81/2 J x 17 H2
1.34 in (34 mm) 245/40 R17 91W1

Technical data Rims and Tires

Mixed size tires

Model

Front axle: Rims (light alloy) Wheel offset Summer tires (radial-ply tires) Rear axle: Rims (light alloy) Wheel offset Summer tires (radial-ply tires) 1 Must not be used with snow chains.

426

Minispare wheel

Model

C 230 Kompressor (Canada only) C 240
C 240 4MATIC C 320 (USA only) C 320 4MATIC 3.5 B x 16 H2
0.67 in (17 mm) T 125/90 R16 98M1

Rim (steel) Wheel offset Tire 1 Must not be used with snow chains.

C 230 Kompressor Sport C 320 Sport

3.5 B x 17 H2
0.67 in (17 mm) T 125/80 R17 99M1

Technical data Rims and Tires

427

Technical data Electrical system

Model

C 230 Kompressor (all models)

Generator (alternator) Starter motor Battery Spark plugs

14 V/120 A 12 V/1.1 kW 12 V/100 Ah Bosch F 6 MPP 332

Electrode gap Tightening torque

0.031 in (0.8 mm) 18 – 22 lb-ft (25 – 30 Nm)

C 240 (all models) C 320 (all models) 14 V/120 A 12 V/1.7 kW 12 V/100 Ah Bosch F 8 DPP 332
NGK PFR 5 R-11
0.039 in (1.0 mm) 15 – 22 lb-ft (20 – 30 Nm)

428

왔 Main dimensions Model

Overall vehicle length Overall vehicle width Overall vehicle height Wheelbase Track, front Track, rear

C 230 Kompressor C 240
C 240 4MATIC C 320
C 320 4MATIC 178.4 in (4531 mm) 68.0 in (1728 mm) 56.3 in (1429 mm) 106.9 in (2715 mm) 59.3 in (1505 mm) 58.1 in (1476 mm)

C 230 Kompressor Sport C 320 Sport

178.4 in (4531 mm) 68.0 in (1728 mm) 55.6 in (1413 mm) 106.9 in (2715 mm) 59.3 in (1505 mm) 58.1 in (1476 mm)

Technical data Main dimensions

429

Technical data Weights

Roof load max. Trunk load max.

220 lb (100 kg) 220 lb (100 kg)

430

왔 Fuels, coolants, lubricants, etc. Capacities

Technical data Fuels, coolants, lubricants, etc.

Vehicle components and their respective lubricants must match. Therefore only use products tested and approved by Mercedes-Benz.

Please refer to the Factory Approved Service Products pamphlet, or inquire at your Mercedes-Benz Center.

Engine with oil filter

Automatic transmission

Manual transmission Rear axle

Front axle

Transfer case

Model C 230 Kompressor (all models) C 240
C 240 4MATIC C 320
C 320 4MATIC C 320 Sport C 230 Kompressor (all models) C 240 (all models) C 320 (all models)

C 230 Kompressor (all models) C 240 (all models) C 320 (all models) C 240 4MATIC C 320 4MATIC C 240 4MATIC C 320 4MATIC

Capacity 5.8 US qt (5.5 l) 7.9 US qt (7.5 l) 7.4 US qt (7.0 l) 7.9 US qt (7.5 l) 7.4 US qt (7.0 l) 7.9 US qt (7.5 l) 8.5 US qt (8.0 l) 8.5 US qt (8.0 l) 8.5 US qt (8.0 l) 1.3 US qt (1.2 l) 1.2 US qt (1.1 l) 1.2 US qt (1.1 l) 1.2 US qt (1.1 l) 0.5 US qt (0.46 l)

Fuels, coolants, lubricants, etc. Approved engine oils

MB Automatic Transmission Fluid

MB Manual Transmission Oil Hypoid gear oil SAE 85 W 90

Hypoid gear oil SAE 85 W 90

approx. 0.62 US qt (0.59 l)

MB Transfer case fluid

431

Technical data Fuels, coolants, lubricants, etc.

Model

Power steering Front wheel hubs Brake system Cooling system

Fuel tank including a reserve of

C 230 Kompressor (all models) C 240 (all models) C 320 (all models)

Fuels, coolants, lubricants, etc. MB Power Steering Fluid (Pentosin CHF 11S)

Capacity approx. 1.1 US qt (1.0 l) approx. 2.1 oz (60 g) each High temperature roller bearing grease 0.5 US qt (0.5 l) approx. 5.9 US qt (5.6 l) approx. 6.8 US qt (6.4 l) approx. 6.8 US qt (6.4 l) 16.4 US gal (62.0 l) 2.1 US gal (8.0 l)

MB Brake Fluid (DOT 4+) MB 325.0 Anticorrosion/antifreeze agent

Premium unleaded gasoline: Minimum Posted Octane 91
(Avg. of 96 RON/86 MON) Flexible Fuel Vehicle (identified by a label reading Premium gasoline or E85 only! on fuel filler flap): Alternative fuel: Ethanol fuel (E85) R-134a refrigerant and special PAG lubricant oil (never R-12) MB Windshield Washer Concentrate1

Air conditioning system Windshield washer Windshield washer and headlamp cleaning system* 1 Use MB Windshield Washer Concentrate “S” and water for temperatures above freezing point or MB Windshield Washer Concentrate “S” and commercially available

3.2 US qt (3.0 l) 6.4 US qt (6.0 l)

premixed windshield washer solvent/antifreeze for temperatures below freezing point. Follow suggested mixing ratios (컄 page 439).

432

Engine oils

Engine oils are specifically tested for their suitability in our engines and durability for our service intervals. Therefore, only use approved engine oils and oil filters required for vehicles with Maintenance System (U.S. vehicles) or FSS (Canada vehicles). For a listing of approved engine oils and oil filters, refer to the Factory Approved Service Products pamphlet, or contact an authorized Mercedes-Benz Center. Using engine oils and oil filters of specification other than those expressly required for the Maintenance System (U.S. vehicles) or FSS (Canada vehicles), or changing of oil and oil filter at change intervals longer than those called for by the Maintenance System (U.S. vehicles) or FSS (Canada Vehicles) will result in engine damage not covered by the Mercedes-Benz Limited Warranty.

Please follow Maintenance System (U.S. vehicles) or FSS (Canada vehicles) recommendations for scheduled oil changes. Failure to do so will result in engine damage not covered by the Mercedes-Benz Limited Warranty.

Engine oil additives

Do not blend oil additives with engine oil. They may damage the engine. Damage or malfunctions resulting from blending oil additives are not covered by the Mercedes-Benz Limited Warranty.

Air conditioning refrigerant

R-134a (HFC) refrigerant and special PAG lubricating oil are used in the air conditioning system. Never use R-12 (CFC) or mineral-based lubricating oil. Otherwise damage to the system will occur.

Technical data Fuels, coolants, lubricants, etc.

Brake fluid

During vehicle operation, the boiling point of the brake fluid is continuously reduced through the absorption of moisture from the atmosphere. Under extremely strenu- ous operating conditions, this moisture content can lead to the formation of bubbles in the system, thus reducing the system’s efficiency. Therefore, the brake fluid must be replaced every two years, preferably in the spring. Only brake fluid approved by Mercedes-Benz is recommended. Your authorized Mercedes-Benz Center will provide you with additional information.

433

Technical data Fuels, coolants, lubricants, etc.

Premium unleaded gasoline

Fuel requirements

To maintain the engine’s durability and performance, premium unleaded gaso- line must be used. If premium unleaded is not available and low octane fuel is used, follow these precautions: 앫 Have the fuel tank only partially

filled with unleaded regular and fill up with premium unleaded as soon as possible.

앫 Avoid full throttle driving and abrupt

acceleration.

앫 Do not exceed an engine speed of 3000 rpm if the vehicle is loaded with a light load such as two persons and no luggage.

앫 Do not exceed 2/3 of maximum accelerator pedal position if the vehicle is fully loaded or operating in mountainous terrain.

Flexible Fuel Vehicles (identified by a label reading Premium gasoline or E85 only! on fuel filler flap) are designed to operate on premium unleaded gasoline or ethanol fuel (E85) or any mixture of these two. For more information, see “Flexible Fuel Vehicles” (컄 page 435).

Only use premium unleaded fuel: 앫 The octane number (posted at the

pump) must be 91 min. It is an average of both the Research (R) octane num- ber and the Motor (M) octane number: (R+M)/2. This is also known as the ANTI-KNOCK INDEX.

434

Unleaded gasoline containing oxygenates such as ethanol, IPA, IBA and TBA can be used provided the ratio of any one of these oxygenates to gasoline does not exceed 10%; MTBE must not exceed 15%. The ratio of methanol to gasoline must not exceed 3% plus additional cosolvents. Using mixtures of ethanol and methanol is not allowed. Gasohol, which contains 10% ethanol and 90% unleaded gasoline, can be used. These blends must also meet all other fuel requirements, such as resistance to spark knock, boiling range, vapor pressure, etc.

Gasoline additives

A major concern among engine manufacturers is carbon build-up caused by gasoline. Mercedes-Benz recommends only the use of quality gasoline containing additives that prevent the build-up of carbon deposits. After an extended period of using fuels without such additives, carbon deposits can build up especially on the intake valves and in the combustion area, leading to engine performance problems such as: 앫 Warm-up hesitation 앫 Unstable idle 앫 Knocking/pinging 앫 Misfire 앫 Power loss

In areas where carbon deposits may be encountered due to lack of availability of gasolines which contain these additives, Mercedes-Benz recommends the use of additives approved by us for use on Mercedes-Benz vehicles. Refer to Factory Approved Service Products pamphlet for a listing of approved product(s). Follow directions on product label. Do not blend any specific fuel additives with fuel. This only results in unnecessary cost and may be harmful to engine operation. Damage or malfunction resulting from poor fuel quality or from blending additional fuel additives other than those tested and approved by us for use on Mercedes-Benz vehicles listed in the Factory Approved Service Products pamphlet are not covered by the Mercedes-Benz Limited Warranty.

Technical data Fuels, coolants, lubricants, etc.

Flexible Fuel Vehicles

Flexible Fuel Vehicles are identified by a label reading Premium gasoline or E85 only! on fuel filler flap. These vehicles are designed to operate on premium unleaded gasoline or ethanol fuel (E85), or on any mixture of these two. Ethanol fuel (E85) is a mixture of approximately 85% ethanol and 15% unleaded gasoline.

Warning!

Ethanol fuel (E85) and its fumes are highly flammable, poisonous and burn easily. Etha- nol fuel can cause serious injuries if ignited or if you come into contact with it or inhale fumes of it. Avoid inhalation of ethanol fumes and skin contact with ethanol. Extin- guish all open flames before fueling. Never smoke or create sparks close to ethanol.

435

Technical data Fuels, coolants, lubricants, etc.

Switching fuels For best performance and driveability it is recommended to use either one or the other fuel. A refueling pattern that alternates between the two different fuels should be avoided if possible. When switching fuels, make sure: 앫 Fuel level is below half full. 앫 Fuel level is above reserve (fuel reserve

warning lamp is not lit).

앫 Amount of added fuel is more than

5 gallons (20 liters).

앫 Ignition is off during refill. 앫 Immediately after refueling engine is started and operated for at least five minutes.

These precautions and recommendations are supposed to prevent any difficulties when starting and operating the engine which otherwise may be experienced before the engine has fully adapted to the different fuel.

436

If in spite of these recommendations the engine does not perform properly, adding more gasoline [at least 3 gallons (12 liters)] to the fuel may improve the engine behavior.

Hot weather performance At ambient temperatures above 95°F (35°C) start times may increase and be accompanied by a rough idle following the start.

Cold weather performance It is possible that starting times will signif- icantly increase at temperatures below 32°F (0°C). At low temperatures the use of a block heater (Canada only) is recommended (see an authorized Mercedes-Benz Center for further information). Rough idling may also be experienced at such temperatures before the engine is fully warmed up.

E85 fuel is unsuitable for use when ambient temperatures fall below 14°F (-10°C).

Cruising range E85 fuel contains less energy per gallon than gasoline. To make sure that engine performance with ethanol fuel is similar to that when using gasoline, the engine must burn more ethanol fuel. As a result, it is to