immobilizer MERCEDES-BENZ C240 2003 W203 Owner's Manual

ContentsSafety and Security........................... 55
Occupant safety................................... 56
Airbags ........................................... 57
Seat belts ....................................... 61
Children in the vehicle .................... 65
Blocking of rear door window
operation ........................................ 71
Panic alarm* .................................. 72
Activating ....................................... 72
Deactivating ................................... 72
Driving safety systems ......................... 73
ABS ................................................ 73
BAS ................................................ 74
ESP ................................................. 75
Four wheel electronic traction
system (4MATIC*) with the ESP ..... 78
Anti-theft systems................................ 79
Immobilizer..................................... 79
Anti-theft alarm system .................. 79
Tow-away alarm ............................. 80
Controls in detail............................... 83
Locking and unlocking ......................... 84
Keys ............................................... 84
Opening the doors from the inside . 87
Opening the trunk from the inside . 88
Opening the trunk .......................... 88
Closing the trunk............................ 89
Trunk lid emergency release .......... 89
Separately locking the trunk .......... 90
Separately unlocking the trunk ...... 91
Automatic central locking .............. 91
Locking and unlocking
from the inside ............................... 92
Seats ................................................... 93
Easy-entry/exit feature* ................ 93
Head restraints .............................. 94
Multicontour seat* ......................... 96
Heated seats* ................................ 97
Memory function* ............................... 98
Storing positions into memory ....... 99
Recalling positions from memory ... 99
Storing exterior rear view mirror
parking position ........................... 100Lighting ............................................. 101
Exterior lamp switch .................... 101
Combination switch ..................... 104
Hazard warning flasher ................ 104
Interior lighting ............................ 105
Door entry lamps ......................... 106
Trunk lamp ................................... 106
Instrument cluster ............................. 107
Instrument cluster illumination .... 107
Coolant temperature display ........ 108
Trip odometer .............................. 109
Tachometer .................................. 109
Outside temperature indicator ..... 110
Control system .................................. 111
Multifunction display.................... 111
Multifunction steering wheel........ 112
Menus .......................................... 114
Standard display menu ................ 116
AUDIO menu ................................ 116
NAVI menu ................................... 118
Malfunction memory menu .......... 118
Settings menu .............................. 119
Trip computer menu..................... 132
TEL menu* ................................... 134
Manual transmission ......................... 137
Shifting into reverse ..................... 137

53 Getting started
Parking and locking
Turning off engine 
Place the gear selector lever in
positionP (manual transmission: first
or reverse gear).

Turn the key in the starter switch to
position0 and remove it.
The immobilizer is activated.

Press the seat belt release button
(page 42).

After exiting the vehicle press the lock
button
‹
on the key (
page 30).
The locking knobs on the doors move
down.
More information can be found in the
“Controls in detail” section (page 84).
iAlways set the parking brake in addi-
tion to shifting to positionP (manual
transmission: first or reverse gear).
On steep slopes, turn the front wheels
towards the road curb. iVehicles with automatic transmission:
The SmartKey can only be removed
from the starter switch with the gear
selector lever in positionP.
!With the SmartKey removed and the
driver’s door open, a warning sounds if
the vehicle’s exterior lamps are not
switched off.Warning!
G
To prevent possible personal injury, always
keep hands and fingers away from the door
openings when closing the doors. Be espe-
cially careful when small children are
around.
Before closing doors, make sure that there
is no possibility of someone getting caught
in a door during closing.
Warning!
G
When leaving the vehicle, always remove the
key from the starter switch, and lock your
vehicle. Do not leave children unattended in
the vehicle, or with access to an unlocked
vehicle. Unsupervised use of vehicle equip-
ment may cause an accident and/or serious
personal injury.

79 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
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


the hood
The alarm system will also be triggered
when


someone attempts to raise the vehicle


the vehicle is opened with the mechan-
ical keyArming the alarm system
The alarm system is armed after locking
the vehicle with the remote control. The
turn signal lamps blink three times to
indicate that the alarm system is activated.
A red indicator lamp in the switch for the
tow-away alarm (
page 80) will blink after
approximately ten seconds when the alarm
system is completely armed.
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-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* (
page 209) 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, the tow-away sensor* is
malfunctioning or one of the following
elements may not be properly closed:

a door


the trunk lid


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

347 Index
A
ABS 23, 73, 341
ABS control 74
Malfunction indicator lamp 257
Messages in display 262
Warning lamp 257
Accelerator position, automatic
transmission 143
Accident
In case of 50
Activating
Air conditioning (cooling) 154, 163
Air recirculation mode 152, 160
Anti-theft alarm system 79
Automatic climate control* 157
Central locking (control system) 129
Charcoal filter 161
Climate control 149
Climate control system 153
Defrosting 151
Easy-entry/exit feature* 129
ESP 77
Exterior headlamps 47
Exterior lamps 102
Exterior rear view mirror
parking position* 145Hazard warning flasher 104
Headlamps 47
High beams 104
Ignition 31
Immobilizer 53, 79
Rear fog lamp 102
Rear window defroster 153, 162
Residual heat 163
Seat heater* 97
Tow-away alarm 80
Windshield wipers 48
Adding
Coolant 239
Engine oil 237
Additional turn signals 290
Adjustable air vents, rear passenger
compartment 155, 164
Adjusting 32
Air distribution 151, 159
Air volume 151, 159
Backrest tilt 33, 35
Exterior rear view mirror 39
Head restraint height 33, 35, 37
Head restraint tilt 34, 35, 36
Head restraints 36
Inside rear view mirror 39Instrument cluster illumination 107
Manual seat 33
Mirrors 39
Multicontour seat* 96
Power seat* 34
Rear seat head restraints 35
Seat belt height 43
Seat cushion depth 96
Seat cushion tilt 33, 35
Seat fore and aft adjustment 33, 34
Seat height 33, 35
Seats 32, 33
Steering column height 37, 38
Steering column length 37, 38
Steering wheel 37
Air conditioner (cooling)
Turning off 154, 163
Turning on 154, 163
Air conditioning refrigerant 332
Air distribution
Adjusting 151, 159
Air pressure
see Tire inflation pressure 243
Air recirculation mode 152, 160
Activating 152, 160
Deactivating 152, 161

348 IndexAir vents, rear passenger compartment
Adjustable 155, 164
Air volume
Adjusting 151, 159
AIRBAG OFF indicator lamp 260
Airbags 57
BabySmart
TM deactivation
system 67, 341
Children 58
Front 60
Passenger 61
Safety guidelines 59
Side impact 61
Window curtain 61
Alarm
Audible 72, 80
Canceling 80
Visual 79
Alarm system
Anti-theft 79
Tow-away 80
Alignment bolt (vehicle tool kit) 299, 341
Anticorrosion/antifreeze 337
Antiglare
Automatic* 144
Manual 144Antilock brake system (ABS) 341
Anti-theft alarm system
Arming 79
Canceling alarm 80
Disarming 80
Anti-theft systems 79
Anti-theft alarm system 79
Immobilizer 79
Tow-away alarm 80
Aquaplaning see Hydroplaning 227
Armrest
Storage compartment in front of 205
Storage spaces 206
Ashtray 207
ATF (automatic transmission fluid) 238
AUDIO menu 116
Selecting radio station 117
Audio system 165
Audio and telephone, operation 165
Button and soft key operation 168
Cassette mode 174
CD mode 178
Operating and display elements 166
Operating safety 165
Operation 168
Radio mode 171Switching off 168
Switching on 168
Telephone operation 182
Automatic antiglare*
for rear view mirror 144
Automatic central locking
Activating/deactivating
(control system) 129
Automatic climate control* 156
Activating 157
Adjusting air distribution 159
Adjusting air volume 159
Air recirculation mode 160
Deactivating 157
Defrosting 160
Rear window defroster 153, 162
Residual heat utilization 163
Residual ventilation 163
Setting the temperature 158
Automatic headlamp mode 102
Automatic lighting control
Activating 105
Deactivating 105
Automatic locking when driving 91

356 Index
Halogen-type
Replacing bulbs 292
Refilling washer fluid 241
Switching off 52
Switching on 47
Washer fluid 338
Headliner
Cleaning 252
Heated seats* 97
Height adjustment
Head restraints 33, 35, 37
Seat belts 43
Steering wheel 37
High beam flasher 47, 104
High beam headlamps
Messages in display 274
Replacing bulbs 290, 292
Switching on 104
High beam headlamps xenon type*
Replacing bulbs 293
High mounted brake lamp 291
Hood 235
Closing 236
Message in display 272
Opening 235
Hydroplaning 227I
Identification labels 318
Certification label 318
Vehicle identification
number (VIN) 318
Ignition 31
Switching on 44
Immobilizer 79
Activating 79
Deactivating 79
Indicator lamps
see Lamps, indicator and warning
Infant and child restraint systems 65
Installing 68
LATCH child seat anchors 69
Information
About service and warranty 10
Button for Tele Aid* 214
Inside rear view mirror
Adjusting 39
Antiglare 144
Installing
Infant and child restraint systems 68
Towing eye bolt 311
Wiper blades 296Instrument cluster 22, 107, 342
Cleaning 252
Coolant temperature display 108
Illumination 107
Lamps in 256–259
Multifunction display 111
Outside temperature indicator 110
Selecting language 124
Instrument lighting 107, 108
Instruments and controls see Cockpit 20
Integrated remote control
Canadian programming 219
Erasing memory 220
Hand-held transmitter 218
Operating 220
Rolling code programming 219
Interior lighting 105
Activating automatic control 105
Deactivating automatic control 105
Delayed shut-off 127
Manual operation 105
Interior storage spaces 203
Armrest 206
Cup holder 204, 205
Glove box 203