2007 MERCEDES-BENZ C230 Battery

Contents
Power tilt/sliding sunroof* ................ 224
Opening and closing
the power tilt/sliding sunroof ...... 224
Synchronizing
the power tilt/sliding sunroof ...... 226
Driving systems ................................. 227
Cruise control............................... 227
Loading .............................................. 230
Roof rack* .................................... 230
Ski sack* (Canada only) ............... 230
Split rear bench seat* .................. 233
Loading instructions ..................... 235
Cargo tie-down rings* .................. 236
Useful features .................................. 237
Storage compartments................. 237
Cup holders .................................. 239
Ashtrays ....................................... 241
Cigarette lighter ........................... 242
Power outlet ................................. 243
Telephone*................................... 244
Tele Aid* ...................................... 247
Garage door opener* ................... 253
Operation......................................... 259
The first 1 000 miles (1 500 km)......... 260
Driving instructions............................ 261
Drive sensibly – save fuel ............. 261
Drinking and driving ..................... 261
Pedals .......................................... 261
Power assistance ......................... 262
Brakes .......................................... 262
Driving off .................................... 263
Parking ......................................... 264
Tires ............................................. 264
Hydroplaning ................................ 265
Tire traction.................................. 265
Tire speed rating .......................... 266
Winter driving instructions ........... 267
Standing water ............................. 268
Passenger compartment .............. 268
Driving abroad.............................. 268
Control and operation
of radio transmitters .................... 268
Catalytic converter ....................... 269
Emission control .......................... 270
Coolant temperature .................... 270At the gas station .............................. 271
Refueling ...................................... 271
Check regularly
and before a long trip................... 273
Engine compartment ......................... 274
Hood ............................................ 274
Engine oil ..................................... 276
Transmission fluid level................ 277
Coolant level ................................ 278
Battery ......................................... 279
Windshield washer system
and headlamp cleaning system* .. 280
Tires and wheels................................ 281
Important guidelines .................... 281
Tire care and maintenance........... 282
Direction of rotation..................... 284
Loading the vehicle ...................... 284
Recommended
tire inflation pressure ................... 289
Checking tire inflation pressure ... 290
MOExtended system* .................. 294
Tire labeling ................................. 295
Load identification ....................... 299
DOT, Tire Identification Number
(TIN) ............................................. 299
Maximum tire load ....................... 301

Contents
Maximum tire inflation pressure .. 301
Uniform Tire Quality Grading
Standards (U.S. vehicles) ............. 302
Tire ply material ........................... 304
Tire and loading terminology ........ 304
Rotating tires ............................... 307
Winter driving .................................... 308
Winter tires .................................. 308
Block heater (Canada only) .......... 309
Snow chains................................. 309
Maintenance ...................................... 310
Maintenance service indicator
message....................................... 310
Calling up the maintenance
service indicator display............... 312
Resetting the
maintenance service indicator ..... 312
Vehicle care ....................................... 313
Cleaning and care of the vehicle .. 313
Practical hints.................................. 321
What to do if … ................................... 322
Lamps in instrument cluster ......... 322
Lamp in center console................. 331
Vehicle status messages
in the multifunction display........... 333
Where will I find ...? ............................ 356
First aid kit .................................... 356
Vehicle tool kit .............................. 356
Minispare wheel............................ 359
Spare wheel bolts ......................... 360
Unlocking/locking in an emergency... 361
Unlocking the vehicle.................... 361
Locking the vehicle ....................... 362
Manually unlocking the
transmission gear selector lever ... 363
Opening/closing in an emergency ..... 364
Power tilt/sliding sunroof* ........... 364
Resetting activated head restraints .... 365
Resetting
activated head restraints .............. 365
Replacing SmartKey batteries ............ 366
SmartKey ...................................... 366Replacing bulbs .................................. 367
Bulbs............................................. 368
Replacing bulbs for front lamps .... 370
Replacing bulbs for rear lamps ..... 373
Replacing wiper blades ...................... 375
Removing and installing
wiper blades ................................. 375
Flat tire............................................... 377
Preparing the vehicle .................... 377
Mounting the Minispare wheel...... 377
MOExtended system* ................... 382
Battery ............................................... 383
Disconnecting the battery ............ 384
Removing the battery ................... 384
Charging and
reinstalling the battery.................. 385
Reconnecting the battery ............. 385
Jump starting...................................... 386
Towing the vehicle.............................. 388
Installing towing eye bolt .............. 390
Fuses.................................................. 391
Main fuse box
in passenger compartment ........... 392
Fuse box
in engine compartment................. 392
Fuse box in trunk .......................... 394

33 Getting started
Unlocking
SmartKey
Starter switch
0For removing SmartKey
The steering is locked when the
SmartKey is removed from the starter
switch.
1Power supply for some electrical
consumers, such as seat adjustment2Ignition (power supply for all electrical
consumers) and driving position.
All lamps (except low beam headlamp
indicator lamp, high beam headlamp in-
dicator lamp, and turn signal indicator
lamps unless activated) in the instru-
ment cluster come on. If a lamp in the
instrument cluster fails to come on
when the ignition is switched on, have
it checked and replaced if necessary. If
a lamp in the instrument cluster re-
mains on after starting the engine or
comes on while driving, refer to “Lamps
in instrument cluster” (page 322).
3Starting position
iWhen you switch on ignition, the indicator
and warning lamps (except low beam headlamp
indicator lamp, high beam headlamp indicator
lamp, and turn signal indicator lamps unless ac-
tivated) in the instrument cluster come on. The
indicator and warning lamps (except low beam
headlamp indicator lamp, high beam headlamp
indicator lamp, and turn signal indicator lamps if
activated) will go out when the engine is running.
This indicates that the respective systems are
operational.
iVehicles with automatic transmission*:
The SmartKey can only be removed from the
starter switch with the gear selector lever in
positionP.
iIf the SmartKey is left in starter switch
position0 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.
!If the SmartKey cannot be turned in the
starter switch, the battery may not be sufficient-
ly charged.

Check the battery and charge it if necessary
(
page 383).

Get a jump start (page 386).
To prevent accelerated vehicle battery discharge
or a completely discharged battery, always re-
move the SmartKey from the starter switch when
the engine is not in operation.

47 Getting started
Driving
Automatic transmission*
Gearshift pattern for automatic
transmission
PPark position with gear selector lever
lock
RReverse gear
NNeutral position
DDrive position
For more information, see “Automatic
transmission*” (
page 151).Starting
Place the gear selector lever in
positionP.
Do not depress the accelerator.
Turn the SmartKey in the starter switch
to position3 (
page 32) and release it
again immediately. The engine then
starts automatically.
For information on turning off the engine,
see “Turning off engine” (
page 55).Starting difficulties
If the SmartKey is left in starter switch
position0 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.
If the engine does not start as described,
carry out the following steps:
Turn the SmartKey in starter switch to
position0 and repeat the starting
procedure (
page 46).
Remember that extended starting
attempts can drain the vehicle battery.
Get a jump start (page 386).
If the engine does not start after several
starting attempts, there could be a mal-
function in the engine electronics or in the
fuel supply system.
Notify an authorized Mercedes-Benz
Center.

89 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Remove the SmartKey from the starter
switch.
Deactivating
Switch on the ignition (page 32).
Anti-theft alarm system*
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door

the trunk

the hood
The alarm will stay on even if the activating
element (e. g. a door) is immediately
closed.The alarm system will also be triggered
when

opening the vehicle with the
mechanical key

someone opens a door from the inside

someone opens the trunk with the
emergency release button
iStarting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the ve-
hicle’s battery is charged), the system is not op-
erational. Contact an authorized Mercedes-Benz
Center or call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
30 seconds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system*
(
page 247) provided Tele Aid service was
subscribed to and properly activated, and that
necessary cellular service and GPS coverage are
available.

92 Controls in detail
In the “Controls in detail” section you will
find detailed information on how to oper-
ate the equipment installed on your vehi-
cle. If you are already familiar with the
basic functions of your vehicle, this section
will be of particular interest to you.
To quickly familiarize yourself with the
basic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are
given at the beginning of each segment.
Locking and unlocking
For more information on locking and
unlocking, see “Getting started”
(
page 32) and (page 54).
SmartKey
Your vehicle comes supplied with two
SmartKeys, each with remote control and
a removable mechanical key.
The locking tabs for the mechanical key
portion of the two SmartKeys are a
different color to help distinguish each
SmartKey unit.
The SmartKey provides an extended oper-
ating range. To prevent theft, however, it is
advisable to only unlock the vehicle when
you are in close proximity to it.
The SmartKey centrally locks and unlocks:

the doors

the trunk

the fuel filler flap
SmartKey with remote control
1‹ Lock button
2Š Opening button for trunk
(
page 95)
3Mechanical key locking tab
4ΠUnlock button
5Battery check lamp
6Â Panic button* (
page 81)
iCanada only:
Only vehicles equipped with an anti-theft alarm
system* have SmartKeys with integrated panic
button6.
!To prevent possible malfunction, avoid ex-
posing the SmartKey to high levels of electro-
magnetic radiation.

93 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press buttonŒ.

All turn signal lamps flash once.

An acoustic signal sounds once.

The locking knobs in the doors
move up.

The anti-theft alarm system* is dis-
armed.
Warning!G
When leaving the vehicle, always remove the
SmartKey from the starter switch, take it
with you, and lock the vehicle. Do not leave
children unattended in the vehicle, or with
access to an unlocked vehicle. It is possible
for children to open a locked door from the
inside, which could result in an accident
and/or serious personal injury.
iUSA only:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the following
two conditions:
(1) This device may not cause harmful interfer-
ence, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iCanada only:
This device complies with RSS-210 of Industry
Canada. Operation is subject to the following
two conditions:
(1) This device may not cause interference, and
(2) this device must accept any interference
received, including interference that may
cause undesired operation of the device.
Any unauthorized modification to this device
could void the user’s authority to operate the
equipment.
iYou can also open or close the windows and
the tilt/sliding sunroof* using the SmartKey
(
page 223).
!If you can no longer lock or unlock the vehi-
cle with the SmartKey, then either the batteries
in the SmartKey are discharged, the SmartKey is
malfunctioning or the vehicle battery is drained.

Try second SmartKey.

Check the batteries in the SmartKey
(
page 95) and replace them if necessary
(
page 366).

Use the mechanical key to unlock the driv-
er’s door (
page 361) and the trunk
(
page 362).

Use the mechanical key to lock the driver’s
door (
page 362) and the trunk
(
page 99).

Have the vehicle battery and the battery con-
nections checked (
page 383).
If the SmartKey is malfunctioning, contact
Roadside Assistance or an authorized
Mercedes-Benz Center.
iWhen unlocking or locking the vehicle with
the SmartKey an acoustic signal sounds. The
acoustic signal is activated at the factory. If you
wish to deactivate the feature, or adjust its signal
volume, contact an authorized Mercedes-Benz
Center.

94 Controls in detail
Locking and unlocking
The vehicle will lock again automatically
and rearm the anti-theft alarm system*
within approximately 40 seconds of un-
locking if:

neither door nor trunk is opened

the SmartKey is not inserted in the
starter switch

the central locking switch is not
activated
Global locking
Press button‹.

All turn signal lamps flash three
times.

An acoustic signal sounds three
times.

The locking knobs in the doors
move down.

The anti-theft alarm system* is
armed.Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so that press-
ing buttonŒ only unlocks the driver’s
door and the fuel filler flap.
Press and hold buttonsŒ and‹
simultaneously for about 5 seconds un-
til battery check lamp5 (
page 92)
flashes twice.
The SmartKey will then function as
follows:
Unlocking driver’s door and fuel filler
flap
Press buttonΠonce.

All turn signal lamps flash once.

An acoustic signal sounds once.

The locking knob in the driver’s
door moves up.

The anti-theft alarm system* is dis-
armed.Global unlocking
Press buttonΠtwice.

All turn signal lamps flash once.

An acoustic signal sounds once.

The locking knobs in the doors
move up.

The anti-theft alarm system* is dis-
armed.
Global locking
Press button‹.
With the trunk and all doors closed:

All turn signal lamps flash three
times.

An acoustic signal sounds three
times.

The locking knobs in the doors
move down.

The anti-theft alarm system* is
armed.