2005 MERCEDES-BENZ C CLASS COUPE charging

Contents
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 320
Tire ply material ........................... 322
Tire and loading terminology ........ 323
Rotating tires ............................... 326
Winter driving .................................... 328 Winter tires .................................. 328
Block heater (Canada only) .......... 329
Snow chains................................. 329
Maintenance...................................... 330 Clearing the maintenance
service indicator........................... 331
Maintenance service term
exceeded ..................................... 331
Calling up the maintenance
service indicator........................... 331
Resetting the maintenance
service indicator........................... 332
Vehicle care ....................................... 333 Cleaning and care of the vehicle .. 333
Practical hints .................................. 339
What to do if … ................................... 340 Lamps in instrument cluster ......... 340
Lamp in center console................. 345
Vehicle status messages in the
multifunction display..................... 347
Where will I find ...? ............................ 373 First aid kit.................................... 373
Vehicle tool kit .............................. 373
Spare wheel .................................. 375
Unlocking/locking in an emergency... 377 Unlocking the vehicle.................... 377
Locking the vehicle ....................... 379
Fuel filler flap ................................ 379
Manually unlocking the gear
selector lever ................................ 380
Opening/closing in an emergency ..... 381 Panorama roof with power
tilt/sliding panel* ......................... 381
Replacing SmartKey batteries ............ 382 SmartKey ...................................... 383
Replacing bulbs .................................. 384 Bulbs ............................................. 384
Replacing bulbs for front lamps .... 386
Replacing bulbs for rear lamps ..... 390 Replacing wiper blades ...................... 393
Removing ...................................... 393
Installing ....................................... 393
Flat tire............................................... 394 Preparing the vehicle .................... 394
Mounting the spare wheel ............ 394
Battery ............................................... 401 Disconnecting the battery ............ 402
Removing the battery ................... 402
Charging and reinstalling battery .. 402
Reconnecting the battery ............. 403
Jump starting...................................... 404
Towing the vehicle.............................. 406 Installing towing eye bolt .............. 409
Fuses.................................................. 410 Aids for changing fuses ................ 410
Main fuse box in passenger
compartment ................................ 411
Fuse box in engine compartment . 411
Fuse box in trunk .......................... 412

340 Practical hintsWhat to do if …Lamps in instrument clusterGeneral information:
If any of the following lamps in the instru-
ment cluster fails to come on during thebulb self-check when switching on the
ignition, have the respective bulb checked
and replaced if necessary.Problem
Possible cause
Suggested solution
-
The yellow ABS malfunction
indicator lamp comes on while
driving.
The ABS has detected a malfunction and has
switched off. The BAS and the ESP are also
switched off (see messages in display).
The brake system is still functioning normally
but without the ABS available.
If the ABS control unit is malfunctioning,
other systems such as the navigation
system* or the automatic transmission* may
also be malfunctioning.

Continue driving with added caution.
Wheels may lock during hard braking,
reducing steering capability.

Read and observe messages in the
display (
page 353).

Have the system checked at an autho-
rized Mercedes-Benz Center as soon
as possible.
Failure to follow these instructions
increases the risk of an accident.
The charging voltage has fallen below ten
volts. The ABS has switched off.
The battery might not be charged sufficiently.

Switch off electrical consumers that
are currently not needed, e.g. seat
heating*.

If necessary, have the generator
(alternator) and battery checked.
When the voltage is above this value
again, the ABS is operational again.

354 Practical hintsWhat to do if …Display message
Possible cause
Possible solution
BAS
unavailable
See Operator’s Manual
The charging voltage has fallen below ten
volts. The BAS has switched off.
The battery might not be charged
sufficiently.
The brake system is still functioning
normally but without the BAS available.

Continue driving with added caution.

If necessary, have the generator and
battery checked.
When the voltage is above this value
again, the BAS is operational again.
malfunction.
Visit workshop.
The BAS has detected a malfunction and
switched off.

Continue driving with added caution.

Have the system checked at an
authorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions
increases the risk of an accident.
Display malfunction.
Visit workshop.
The BAS or the BAS display is
malfunctioning.

Continue driving with added caution.

Have the system checked at an
authorized Mercedes-Benz Center as
soon as possible.
Failure to follow these instructions
increases the risk of an accident.

355
Practical hints
What to do if …
Display message
Possible cause
Possible solution
ESP
unavailable
See Operator’s Manual
The ESP was deactivated because of a
malfunction or interrupted power supply.
The ABS might not be operational.
The brake system is still functioning
normally but without the ESP available.

Continue driving with added caution.

Visit an authorized Mercedes-Benz
Center as soon as possible.
Failure to follow these instructions
increases the risk of an accident.
If the yellow ESP warning lamp v
flashes while driving and this message
appears, the electronic traction system
has switched off to prevent overheating
of the drive wheel brakes.
As soon as the brakes have cooled off, the
electronic traction system switches on
again.
The self-diagnosis has not been
completed yet.
The brake system is still functioning
normally but without the ESP available.
The display will clear after driving a short
distance at more than 12 mph (20 km/h).
The charging voltage has fallen below ten
volts. The ESP has switched off.
The battery might not be charged
sufficiently.

Continue driving with added caution.

If necessary, have the generator and
battery checked.
When the voltage is above this value
again, the ESP is operational again.

357
Practical hints
What to do if …
Symbol messagesDisplay symbol
Display message
Possible cause
Possible solution
#
Battery Alternator
Visit workshop.
The battery is no longer charging:

broken poly-V-belt


alternator malfunctioning

Stop immediately and check the
poly-V-belt.
If it is broken:

Do not continue to drive. Otherwise
the engine will overheat due to an
inoperative water pump which may
result in damage to the engine. Notify
an authorized Mercedes-Benz Center.
If it is intact:

Drive immediately to the nearest
authorized Mercedes-Benz Center.
Low voltage
Charge battery
The battery has insufficient voltage.

Start the engine (
page 48).
Low voltage
Switch off consumers
The battery has insufficient voltage.

Turn off unnecessary electrical
consumers

402 Practical hintsBattery1Negative terminal
2 Positive terminal cover
Disconnecting the battery
Turn off the engine (
page 58).

Turn off all electrical consumers.

Remove SmartKey from starter switch.

Open the hood (
page 291).

Read and observe safety instructions
and precautions (
page 297).

Remove the filter box (
page 401).

Disconnect battery negative lead from
negative terminal 1.

Remove cover 2 from the positive
terminal.

Disconnect the battery positive lead.
Removing the battery
Remove the screw-nuts securing the
battery.

Remove the battery bracket.

Take out the battery.
Charging and reinstalling battery
Charge battery in accordance with the
instructions of the battery charger
manufacturer.

Reinstall the charged battery. Follow
the previously described steps in re-
verse order.
Warning!
G
With a disconnected battery

you will no longer be able to turn the
SmartKey in the starter switch


the gear selector lever will remain
locked in position P


403
Practical hints
Battery
Reconnecting the battery
Turn off all electrical consumers.

Remove SmartKey from the starter
switch.

Connect the positive lead and fasten its
cover
2 (
page 402).

Connect the negative lead.

Reinstall the filter box (
page 401).
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.
Warning!
G
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 instructions for the
accessory battery charger.
!NEVER invert the terminal connections!!The battery, its filler caps and the vent
tube must always be securely installed
when the vehicle is in operation.
iThe following procedures must be car-
ried out following any interruption of
battery power (e.g. due to reconnec-
tion):

Set the clock (
page 139) (vehi-
cles with COMAND*: see COMAND
operator’s manual).


Resynchronize side windows
(page 240).


Resynchronize panorama roof with
power tilt/sliding panel*
(page 246).

445
Index
Audio system 195
Audio and telephone, operation 195
Button and soft key operation 198
CD* operation 213
Operating and display elements 196
Operating safety 195
Operation 198
Radio operation 203
Switching off 199
Switching on 198
Telephone* operation 220
Auto-dimming* for rear view mirror 168
Automatic central locking Activating/deactivating (control system) 148
Automatic climate control* 182 Activating 183
Adjusting air distribution 186
Air recirculation mode 189
Deactivating 183
Defrosting 188
Setting the temperature 185
Automatic headlamp mode 111
Automatic lighting control Activating 117
Deactivating 117 Automatic locking when driving 97
Automatic shift program*
Program mode selector switch 164
Automatic time change (summer-/winter) 141
Automatic transmission* 159, 296 Accelerator position 165
Automatic shift program 164
Comfort program mode 164
Emergency operation (Limp Home Mode) 166
Fluid level 296
Gear ranges 161
Gear selector lever 159
Gear selector lever position 159, 162
Gear shifting malfunctions 166
Kickdown 165
Manual shifting 160
One-touch gearshifting 160
Program mode selector switch 164
Starting with 49
Transmission fluid 296
Working on the vehicle 165 B
Backrest
Folding forward 251
Folding rearward 251
Backup lamps Bulbs 384
Bar 323
BAS 82, 437 Messages in display 354
Batteries, SmartKey Check lamp 93
Checking 93
Replacing 382, 383
Battery discharged Jump starting 404
Battery, vehicle 297, 401 Charging 402
Disconnecting 402
Reconnecting 403
Reinstalling 402
Removing 402
Bead 323
Bi-Xenon headlamps* 437
Bi-Xenon type* Front lamp bulbs 388
Block heater 329