
Contents
IntroductionProduct information  .......................... 1
Operator’s manual  ............................. 2
Where to find it  .................................. 7
Reporting Safety Defects  .................. 9Instruments and controlsInstruments and controls  ............... 12
Door control panel  ....................... 14
Overhead control panel  ............... 15
Dashboard  ..................................... 16
Center console  .............................. 18OperationVehicle keys  ...................................... 22
Start lock-out  .................................... 24
General notes on the 
central locking system  ............... 24
Central locking system  ................... 25
Radio frequency and 
infrared remote control  ............... 25
Locking and unlocking ................ 27Choosing global or selective 
mode on remote control  ............. 27
Opening the trunk  ....................... 28
Opening and closing windows 
and sliding / pop-up roof 
from outside  ................................. 29
Panic button  ................................. 30
Mechanical keys  .......................... 30
Doors  ..................................................31
Central locking switch .................... 33
Automatic central locking .............. 34
Emergency unlocking 
in case of accident  ...................... 34
Trunk ................................................. 35
Trunk lid release switch  ................ 37
Antitheft alarm system ................... 38
Tow-away alarm  ............................... 39
Easy-entry/exit feature  ................... 41
Front seat adjustment ..................... 42
Removal and installation of 
front seat head restraints .......... 47
Multicontour seat  ............................ 49
Heated seats  ..................................... 50
Rear seat head restraints  ............... 52Seat belts and integrated 
restraint system  .......................... 55
Seat belts  ........................................... 55
Seat belt nonusage 
warning system  ........................... 56
BabySmart
TM airbag 
deactivation system  .................... 62
Supplemental Restraint 
System (SRS)  ............................... 63
Emergency tensioning 
retractor (ETR) ............................. 64
Airbags  .............................................. 65
Safety guidelines for the seat 
belt, emergency tensioning 
retractor and airbag .................... 72
Infant and child 
restraint systems ......................... 73
Steering wheel adjustment
(manual)  ....................................... 77
Steering wheel adjustment 
(electrical)  .................................... 79
Rear view mirrors  ............................ 80
Instrument cluster  ........................... 88
Multifunction steering wheel, 
multifunction display  ................. 92 

Contents
Trip and main odometer, FSS, coolant 
temperature, vehicle speed, 
engine oil level indicator  ........... 96
Audio systems  .................................. 98
Radio  .............................................. 98
CD player  ....................................... 99
Cassette player  ........................... 100
Telephone  ........................................ 101
Navigation system .......................... 106
Trip computer  ................................. 107
Malfunction/warning 
message memory  ...................... 109
Individual settings ..........................111
Setting the audio volume .............. 123
Coolant temperature gauge  .......... 124
Flexible service system 
(FSS) ............................................ 125
Engine oil level indicator .............. 128
Engine oil consumption  ................ 129
Exterior lamp switch  ..................... 130
Headlamp mode  ............................. 131Night security illumination  ..........132
Locator lighting ...........................133
Headlamp cleaning system  ...........133
Combination switch  .......................134
Hazard warning flasher 
switch  ..........................................137
Climate control  ...............................138
Automatic climate control ............ 146
Front center console storage 
compartment ventilation ..........158
Rear passenger compartment 
adjustable air outlets  ................159
Operation Audio and telephone  ...160
Operating safety  .............................160
Operating and 
display elements ........................ 161
Button and soft key operation  ......163
Operation  .........................................163
Power windows  ...............................184
Sliding/pop-up roof  ........................187
Interior lighting  ..............................189
Rear window sunshade  ................. 191Sun visors  ....................................... 192
Vanity mirrors  ................................ 192
Interior  ............................................ 193
Storage compartments and 
armrests  ..................................... 193
Glove box  ..................................... 194
Cup holder  ...................................... 197
Ashtrays  .......................................... 199
Lighter  ............................................. 201
Parcel net in front passenger 
footwell  .......................................202
Ski sack  ...........................................202
Enlarged cargo area .......................207
Split folding rear seat bench  ........207
Loading instructions 
(vehicle with enlarged 
cargo area) ..................................209
Cellular telephone  ......................... 210
Telephone, general  ........................ 211
Garage door opener  ....................... 212 

Contents
DrivingControl and operation of radio 
transmitters  ............................... 218
The first 1 000 miles 
(1 500 km)  ................................. 219
Maintenance  ................................... 219
Tele Aid  ...........................................220
Catalytic converter  ........................228
Emission control  ............................229
Starter switch  .................................230
Starting and turning 
off the engine  ............................232
Manual transmission  ....................233
Automatic transmission  ...............234
Parking brake  .................................243
Driving instructions  ......................244
Drive sensibly – Save Fuel ........244
Drinking and driving .................244
Pedals  ...........................................244Power assistance ........................ 245
Brakes .......................................... 245
Driving off ................................... 246
Parking  ........................................ 246
Tires  ............................................. 247
Snow chains  ............................... 250
Winter driving 
instructions  ................................ 250
Deep water  .................................. 252
Passenger compartment  ........... 253
Traveling abroad  ........................ 253
Cruise control  ................................ 254
Brake assist system (BAS) ............ 257
Antilock brake system 
(ABS)  .......................................... 258
Electronic stability program 
(ESP)  ........................................... 260
What you should know at the gas 
station ......................................... 264
Check regularly and before a long 
trip  .............................................. 266
Instrument cluster displayMalfunction and indicator lamps in 
the instrument cluster  .............268
On-board diagnostic system  .........268
Check engine malfunction 
indicator lamp .............................268
Brake warning lamp  ..................270
Supplemental restraint system 
(SRS) indicator lamp .................. 271
Fuel reserve warning ................. 271
ABS malfunction 
indicator lamp .............................272
Electronic stability program 
(ESP) — warning lamp  ...............273
Seat belt nonusage 
warning lamp  ............................273
Malfunction and indicator lamp in 
the center console .....................273
AIRBAG OFF indicator lamp .....273 

11 Contents - Instruments and controls
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Instruments and controlsInstruments and controls  ............... 12
Door control panel  ....................... 14
Overhead control panel  ............... 15
Dashboard  ..................................... 16
Center console  .............................. 18 

13 Instruments and controls
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index 1Door control panel, see page 14
2Overhead control panel, see page 153Dashboard, see page 16
4Center console, see page 18 

18 Instruments and controls
Te ch n i c a l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Center console1Left front seat heater switch, see page 50
2Rear window sunshade (optional), see page 191 
3ESP (electronic stability program) control switch, 
see page 260
4Hazard warning flasher switch, see page 137
5Central locking switch, see page 33
6Rear seat head restraints, see page 52
7Antitheft alarm system, see page 38 
Switch for tow-away protection, see page 39
8Right front seat heater switch, see page 50
9AIRBAG OFF indicator lamp, see page 273
10COMAND system (optional), see separate 
operating instructions, or
audio system, see page 160
11Climate control (C 240), see page 138
Automatic climate control (C 320) see page 146
Rear window defroster, see page 157 

21 Contents - Operation
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Coolant temperature gauge  .......... 124
Flexible service system 
(FSS) ............................................ 125
Engine oil level indicator .............. 128
Engine oil consumption  ................ 129
Exterior lamp switch  ..................... 130
Headlamp mode  ............................. 131
Night security illumination  ......... 132
Locator lighting  .......................... 133
Headlamp cleaning system  .......... 133
Combination switch  ...................... 134
Hazard warning flasher 
switch .......................................... 137
Climate control ............................... 138
Automatic climate control  ............ 146
Front center console storage 
compartment ventilation  ......... 158Rear passenger compartment 
adjustable air outlets  ................159
Operation Audio and telephone  ...160
Operating safety  .............................160
Operating and 
display elements ........................ 161
Button and soft key operation  ......163
Operation  .........................................163
Power windows  ...............................184
Sliding/pop-up roof  ........................187
Interior lighting  ..............................189
Rear window sunshade  ................. 191
Sun visors  ........................................192
Vanity mirrors  ................................192
Interior  .............................................193Storage compartments and 
armrests  ..................................... 193
Glove box  ..................................... 194
Cup holder  ...................................... 197
Ashtrays  .......................................... 199
Lighter  ............................................. 201
Parcel net in front passenger 
footwell  .......................................202
Ski sack  ...........................................202
Enlarged cargo area .......................207
Split folding rear seat bench  ........207
Loading instructions 
(vehicle with enlarged 
cargo area) ..................................209
Cellular telephone  ......................... 210
Telephone, general  ........................ 211
Garage door opener  ....................... 212 

33 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unlocking
The central locking switch is located in the center 
console.
The doors and trunk can only be locked with the central 
locking switch, if both front doors are closed.
If the vehicle was previously locked with the central 
locking switch, while in the selective remote control 
mode, only the door opened from the inside is unlocked.If the vehicle was previously locked with the central 
locking switch, while in the global remote control mode, 
the complete vehicle is unlocked when a door is opened 
from the inside.
Notes:
If the vehicle was previously locked with the remote 
control, the doors and trunk cannot be unlocked with 
the central locking switch.
The fuel filler flap cannot be locked or unlocked with 
the central locking switch.
If the vehicle has previously been locked from the 
outside, opening a door from the inside will trigger the 
alarm. To cancel the alarm, insert the electronic key in 
the starter switch or press buttonŒ or‹ on the 
electronic main key.
P54.25-2417-26
Wa r n i n g !
When leaving the vehicle always remove the 
electronic 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 equipment may cause 
serious personal injury.