2003 MERCEDES-BENZ C230 COUPE trunk

ContentsControls in detail ............................... 81
Locking and unlocking ......................... 82
SmartKey ........................................ 82
Opening the doors from the inside . 85
Opening the trunk lid ...................... 85
Closing the trunk lid ....................... 86
Trunk lid emergency release .......... 86
Automatic central locking .............. 87
Locking and unlocking from
the inside ....................................... 87
Seats .................................................... 89
Easy-entry/exit feature* ................ 89
Head restraints............................... 90
Heated seats* ................................ 91
Memory function* ................................ 93
Storing positions into memory ....... 94
Recalling positions from memory ... 94
Storing exterior rear view mirror
parking position ............................. 95
Lighting ................................................ 96
Exterior lamp switch ....................... 96
Combination switch ........................ 99
Hazard warning flasher ................... 99
Interior lighting ............................. 100Instrument cluster ............................. 102
Instrument cluster illumination .... 102
Coolant temperature gauge ......... 102
Trip odometer .............................. 103
Tachometer .................................. 103
Outside temperature indicator ..... 104
Control system .................................. 105
Multifunction display .................... 105
Multifunction steering wheel ........ 106
Menus .......................................... 108
Standard display menu ................ 110
AUDIO menu ................................ 110
NAV menu .................................... 112
Malfunction memory menu .......... 112
Settings menu .............................. 114
Trip computer menu ..................... 125
TEL menu* ................................... 126
Manual transmission ......................... 130
Shifting into reverse ..................... 131
Automatic transmission* ................... 132
One-touch gearshifting ................. 133
Gear ranges .................................. 134
Gear selector lever position ......... 135
Program mode selector switch ..... 136
Accelerator position ..................... 137Emergency operation
(Limp Home Mode) ...................... 137
Good visibility .................................... 138
Rear view mirror ........................... 138
Headlamp cleaning system* ........ 140
Sun visors .................................... 141
Climate control .................................. 142
Setting the temperature ............... 145
Adjusting air distribution and
volume ......................................... 145
Defrosting .................................... 146
Air recirculation mode .................. 146
Rear window defroster ................. 147
Air conditioning ............................ 148
Ventilated storage compartment . 148
Rear passenger compartment
adjustable air vents ...................... 149
Deactivating the climate control
system ......................................... 149
Automatic climate control*
(Canada only) .................................... 150
Setting the temperature ............... 152
Adjusting air distribution .............. 153
Adjusting air volume .................... 153
Maximum cooling MAXCOOL ....... 154
Defrosting .................................... 154

ContentsTires and wheels ................................ 233
Important guidelines .................... 233
Life of tire ..................................... 234
Direction of rotation ..................... 234
Checking tire inflation pressure ... 234
Rotating wheels ............................ 235
Winter driving..................................... 236
Winter tires ................................... 236
Block heater (Canada only) .......... 237
Snow chains ................................. 237
Maintenance ...................................... 238
Clearing the service indicator....... 238
Service term exceeded ................. 238
Calling up the service indicator .... 239
Resetting the service indicator ..... 239
Vehicle care ....................................... 240
Cleaning and care of vehicle ........ 240
Practical hints.................................. 245
What to do if … .................................. 246
Lamps in instrument cluster ......... 246
Lamp in center console ................ 251
Messages in the display ............... 252
Where will I find ... ............................. 271
First aid kit ................................... 271
Spare wheel ................................. 271
Vehicle tool kit ............................. 272
Unlocking/locking in an emergency .. 274
Unlocking the vehicle ................... 274
Locking the vehicle ...................... 275
Changing batteries ....................... 276
Fuel filler flap ............................... 277
Manually unlocking the
transmission selector lever .......... 277
Opening/closing in an emergency ..... 278
Panorama sliding/pop-up roof ..... 278
Replacing bulbs ................................. 280
Bulbs ............................................ 280
Replacing bulbs for front lamps ... 282
Side marker lamp bulb ................. 285
Replacing bulbs for rear lamps ..... 285Replacing wiper blades ...................... 287
Removing ..................................... 287
Installing ...................................... 287
Flat tire .............................................. 288
Preparing the vehicle ................... 288
Mounting the spare wheel ............ 288
Battery ............................................... 294
Disconnecting the battery ............ 295
Removing the batteries ................ 295
Charging and reinstalling
batteries ...................................... 295
Reconnecting the batteries .......... 295
Jump starting ..................................... 297
Towing the vehicle ............................. 299
Installing towing eye bolt ............. 302
Fuses ................................................. 303
Fuse box in passenger
compartment ............................... 303
Fuse box in engine compartment . 303
Auxiliary fuse box in trunk ............ 304

78 Safety and SecurityAnti-theft systems
Anti-theft systemsImmobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating

Removing the key from the starter
switch activates the immobilizer.
Deactivating


Inserting the key in the starter switch
deactivates the immobilizer.
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 lid


the hood.
The alarm will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when


someone attempts to raise the vehicle


the vehicle is opened with the mechan-
ical key.Arming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey. The turn
signal lamps blink three times to indicate
that the alarm system is activated. The in-
dicator lamp in the switch for the tow-away
alarm will blink after approximately 10 sec-
onds when the alarm system is completely
armed (
page 80).
iIn case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MER-Cedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem* provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.iIf the turn signal lamps do not blink
three times one of the following ele-
ments may not be properly closed:

a door


the trunk lid


the hood
Close the respective element and lock
the vehicle again.

79 Safety and Security
Anti-theft systems
Disarming the alarm system
The alarm system is disarmed when you
unlock your vehicle with the SmartKey. The
turn signal lamps blink once to indicate
that the alarm system is deactivated.
Canceling the alarm
To cancel the alarm:
Insert the key in the starter switch.
or

Press the
Œ
or
‹
button.
Tow-away alarm*
Once the tow-away alarm is armed, a visual
and audible alarm will be triggered when
someone attempts to raise the vehicle.Arming tow-away alarm
When you lock your vehicle, the tow-away
alarm is automatically armed after about
30 seconds.
When you unlock your vehicle, the
tow-away protection disarms automatical-
ly.
iThe alarm system will rearm automati-
cally after approximately 40 seconds if
a door or the trunk is not opened.
iThe tow-away protection alarm is trig-
gered, for example, if the vehicle is lift-
ed on one side.
If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.

82 Controls in detailLocking and unlockingIn 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 ba-
sic functions of the vehicle, refer to the
“Getting started” section of this manual.
The corresponding page numbers are giv-
en at the beginning of each segment.
Locking and unlockingInformation on locking and unlocking can
be found in the “Getting started” section
on (
page 30) and (
page 51).
SmartKey
Your vehicle comes supplied with two
SmartKeys with remote controls and a re-
movable mechanical key. The locking tabs
for the mechanical key portion of the two
keys are a different color to help distin-
guish each key unit.
The remote control key provides an ex-
tended operating range. To prevent theft,
however, it is advisable to only unlock the
vehicle when you are in close proximity to
it.
The key centrally locks and unlocks:

the doors


the trunk lid


the fuel filler flap
SmartKey with remote controls1‹
Lock button
2Mechanical key locking tab
3
Œ
Unlock button
4Battery check lamp
5
Â
Panic button* (
page 72)
iCanada only:
Only vehicles equipped with an
anti-theft alarm system* have
SmartKeys with integrated panic
button*5.

83 Controls in detail
Locking and unlocking
Factory setting
Global unlocking
Press button
Œ
.
All turn signal lamps blink once. The
locking knobs in the doors move up.
The vehicle will lock again automatically
within approximately 40 seconds of un-
locking if neither door nor trunk lid is
opened, the SmartKey is not inserted in
the starter switch, or the central locking
switch is not activated.Global locking

Press button
‹
.
All turn signal lamps blink three times.
The locking knobs in the doors move
down.
Selective setting
If you frequently travel alone, you may wish
to reprogram the key so that
pressing
Œ
only unlocks the driver’s
door and the fuel filler flap.

Press and hold buttons
Œ
and
‹

simultaneously for about five seconds
until battery check lamp4 blinks twice.
The key will then function as follows:
Unlocking driver’s door and fuel filler
flap

Press button
Œ
once.
Global unlocking

Press button
Œ
twice.
Global locking

Press button
‹
.Restoring to factory setting

Press and hold buttons
Œ
and
‹

simultaneously for about six seconds
until battery check lamp4 blinks twice.
iYou can also open and close the power
windows (
page 183) and panorama
sliding/pop-up roof (
page 185) from
outside using the SmartKey.
!To prevent possible malfunction, avoid
exposing the key to high levels of elec-
tromagnetic radiation.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch and lock the ve-
hicle. 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 re-
sult in an accident and/or serious injury.

85 Controls in detail
Locking and unlocking
Opening the doors from the inside
You can open a locked door from the in-
side. Open door only when conditions are
safe to do so.
1Locking knob
2Inside door handle
Pull on door handle2.
If door was locked, locking knob1 will
move up.
Opening the trunk lid
1Handle
Pull handle1 in direction of arrow to
open the trunk lid.
The trunk lid swings open upwards. Always
make sure that there is sufficient overhead
clearance.
iIf the vehicle has previously been
locked from the outside with the re-
mote control, opening a door from the
inside will trigger the alarm.
To cancel the alarm, do one of the fol-
lowing:

Press button
Œ
or
‹
on the
SmartKey.


Insert the SmartKey in the starter
switch.
iThe vehicle must be unlocked.

86 Controls in detailLocking and unlockingClosing the trunk lid
1Handle
Lower trunk lid by pulling firmly on
grip1.

Close trunk lid with hands placed flat
on it.
Trunk lid emergency release
The emergency release button is located in
the trunk lid.
Illumination of the emergency release but-
ton:

The button will blink for 30 minutes af-
ter opening the trunk lid


The button will blink for 60 minutes af-
ter closing the trunk lid.

Briefly press the emergency release
button.
The trunk unlocks and the trunk lid
opens.
Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the trunk
lid opening when closing the trunk lid. Be es-
pecially careful when small children are
around.
Warning!
G
Only drive with the trunk closed as, among
other dangers such as visibility blockage,
exhaust fumes may enter the vehicle interi-
or.
!The emergency release button does
not open the trunk lid if the vehicle bat-
tery is discharged or disconnected.iIf the emergency release button is
pressed and the vehicle was centrally
locked, the exterior lamps will flash and
the alarm will sound as the trunk lid
opens.
To cancel the alarm, insert the key in
the starter switch or press button
Œ

or
‹
on the key.