
1 Contents
IntroductionProduct information  .......................... 7
Operator’s manual  ............................. 8
Where to find it  ................................ 13
Reporting Safety Defects  ................ 15Instruments and controlsInstruments and controls  ............... 18
Center console  .............................. 20
Overhead control panel  ............... 21OperationVehicle keys  ...................................... 24
Start lock-out  .................................... 27
General notes on the 
central locking system  ............... 28
Central locking system  ................... 29
Radio frequency and 
infrared remote control  ............... 29
Opening the trunk  ....................... 32
Opening and closing 
windows and sliding/pop-up
roof from outside  .......................... 33Panic button  ................................. 34
Mechanical keys  .......................... 34
Doors ................................................. 35
Central locking switch .................... 37
Automatic central locking .............. 38
Emergency unlocking 
in case of accident  ...................... 38
Trunk ................................................. 39
Trunk lid release switch  .................41
Trunk lid emergency release  ........ 42
Antitheft alarm system ................... 43
Tow-away alarm  ............................... 45
Power seats front  ............................. 46
Front seat head restraints .............. 52
Rear seat head restraints  ............... 53
Multicontour seat  ............................ 54
Seat heater ........................................ 55
Seat ventilation ................................ 58
Seat belts and integrated
restraint system  .......................... 60
Seat belts  .......................................... 60
Seat belt nonusage 
warning system  ........................... 61BabySmart
TM airbag 
deactivation system  .................... 67
Self-test BabySmart
TM 
without special child
seat installed  ................................. 67
Supplemental restraint 
system (SRS)  ................................ 68
Emergency tensioning
retractor (ETR) ............................. 69
Airbags .............................................. 70
Safety guidelines for the 
seat belt, emergency
tensioning retractor
and airbag  .................................... 76
Infant and child 
restraint systems ......................... 78
Steering wheel adjustment  ............ 81
Rear view mirrors  ............................ 82
Instrument cluster  ........................... 86
Multifunction steering wheel, 
multifunction display  ................. 92
Trip and main odometer,
FSS and engine oil
level display  ................................. 96 

4 Contents
AIRBAG OFF 
indicator lamp .............................238
Malfunction and warning 
messages in the
multifunction display  ...............239
DISPLAY DEFECTIVE  ................240
BATTERY / ALTERNATOR ......... 241
ABS-SYSTEM ...............................242
BRAKE ASSIST  ...........................242
BRAKE LINING WEAR  ..............243
BRAKE FLUID  .............................243
PARKING BRAKE  .......................244
ENGINE FAN  ...............................244
COOLANT (coolant level)  ..........245
COOLANT TEMP.  ........................246
LIGHTING SYSTEM  ....................247
LIGHT SENSOR ...........................248
REMOVE KEY  .............................248
TELE AID  .....................................249
STEERING GEAR OIL .................249
ENGINE OIL LEVEL  ...................250
WASHER FLUID .......................... 251
ELEC. STABIL. PROG.
(Electronic stability program)  ..252
Practical hintsFirst aid kit  ..................................... 254
Stowing things in the vehicle ...... 254
Fuses ............................................... 255
Hood ................................................ 257
Checking engine oil level ............. 260
Automatic transmission
fluid level  ................................... 261
Coolant level ................................... 261
Adding coolant  ........................... 262
Windshield and headlamp
washer system  .......................... 263
Windshield and headlamp
washer fluid mixing ratio  ........ 263
Spare wheel, vehicle tools,
storage compartment  ............... 264
Vehicle jack  .................................... 265
Wheels ............................................ 266
Tire replacement  ....................... 266
Rotating wheels  ......................... 267
Spare wheel .................................... 268
Spare wheel bolts  ...................... 268
Spare wheel .................................... 269Changing wheels  ........................... 271
Tire inflation pressure  .................. 276
Battery .............................................277
Jump starting  ..................................279
Towing the vehicle  .........................282
Transmission selector lever, 
manually unlocking ..................284
Exterior lamps  ................................285
Headlamp assembly ...................286
Taillamp assemblies  ..................289
Changing batteries in the
electronic main key  .................. 291
Synchronizing 
remote control  ............................293
Emergency engine
shut-down ..................................293
Rear seat cushion  ..........................294
Emergency operation of
sliding / pop-up roof .................295
Manual release for
fuel filler flap .............................296
Replacing wiper blade insert  .......296
Trunk lamp  .....................................298
Roof rack  .........................................298 

20 Instruments and controls
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hints Car care Index
Center console 1Ashtray with lighter, see page 166
2ESP control switch, see page 220
3Power window switches, front doors, see page 154
4Power window safety switch, rear doors, see 
page 154
5Airbag Off indicator lamp, see page 238
6Power window switches, rear doors, see page 154
7Parktronic system deactivation switch, see page 228
8Trunk lid release switch, see page 41
9Mirror adjustment switch, see page 82
10Rear window sunshade switch, see page 160
356
643
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7
9
10
8
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P68.20-2279-27 

22 Contents - Operation
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
OperationVehicle keys  ...................................... 24
Start lock-out  .................................... 27
General notes on the 
central locking system  ............... 28
Central locking system  ................... 29
Radio frequency and 
infrared remote control  ............... 29
Opening the trunk  ....................... 32
Opening and closing 
windows and sliding/pop-up
roof from outside  .......................... 33
Panic button  .................................. 34
Mechanical keys  ........................... 34
Doors .................................................. 35
Central locking switch  .................... 37
Automatic central locking  .............. 38
Emergency unlocking 
in case of accident  ...................... 38
Trunk ................................................. 39
Trunk lid release switch  ................. 41
Trunk lid emergency release  ......... 42
Antitheft alarm system  ................... 43Tow-away alarm  ............................... 45
Power seats front  ............................. 46
Front seat head restraints .............. 52
Rear seat head restraints  ............... 53
Multicontour seat  ............................ 54
Seat heater ........................................ 55
Seat ventilation ................................ 58
Seat belts and integrated
restraint system  .......................... 60
Seat belts  .......................................... 60
Seat belt nonusage 
warning system  ........................... 61
BabySmart
TM airbag 
deactivation system  ................... 67
Self-test BabySmart
TM 
without special child
seat installed  ................................ 67
Supplemental restraint 
system (SRS)  ............................... 68
Emergency tensioning
retractor (ETR)  ............................ 69
Airbags .............................................. 70Safety guidelines for the 
seat belt, emergency
tensioning retractor
and airbag  .................................... 76
Infant and child 
restraint systems ......................... 78
Steering wheel adjustment  ............ 81
Rear view mirrors  ............................ 82
Instrument cluster  ........................... 86
Multifunction steering wheel, 
multifunction display  ................. 92
Trip and main odometer,
FSS and engine oil
level display  ................................. 96
Audio systems  .................................. 97
Radio .............................................. 97
CD player  ....................................... 98
Cassette player  ............................. 99
Telephone ........................................ 100
Telephone book  .......................... 100
Redialing ..................................... 102
Incoming call  .............................. 104
Navigation system  .......................... 105
Trip computer  ................................. 106 

25 Central locking system
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Electronic main key
The electronic main key has an integrated radio 
frequency and infrared remote control, plus removable 
mechanical key.
The remote control (1) operates all locks on the vehicle.
The mechanical key (2) works only in the driver’s door, 
trunk, and storage compartment locks.When using the mechanical key (2) for lock operations, 
it can be removed by sliding it out of the remote control. 
To do so, move locking tab (3) to the right and slide the 
mechanical key (2) in direction of arrow (4).
The remote control transmitter is located in the 
electronic main key.
The infrared receivers are located in the front door 
handles.
Note:
Remove the mechanical key from the electronic main 
key when using valet parking service. To prevent access 
to trunk or storage compartments lock them separately 
and retain the mechanical key.
See page 39 for separate locking of trunk and page 163 
for locking of glove box.
P80.35-2031-26
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26 Central locking system
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Electronic reserve key
The electronic reserve key is without remote control 
functions, but with removable mechanical key.The electronic reserve key (1) works only in the steering 
lock. There are no batteries inside the electronic reserve 
ke y.
The mechanical key (2) works only in the driver’s door, 
trunk (tailgate), and storage compartment locks.
To use the mechanical key (2), remove it from its 
electronic reserve key (1).
Note:
We recommend that you carry the electronic reserve 
key plus mechanical key with you and keep it in a safe 
place (e.g. your wallet) so that it is always handy. Never 
leave the electronic reserve key in the vehicle.
P80.35-2036-26
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29 Central locking system
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic main key has an integrated radio 
frequency and infrared remote control.
Due to the extended operational range of the remote 
control, it could be possible to unintentionally lock or 
unlock the vehicle by pressing the transmit button. If 
one of the transmit buttons is pressed, the battery check 
lamp lights up briefly – indicating that the batteries are 
in order. See page 291 for checking batteries.
The vehicle doors, trunk and fuel filler flap can be 
centrally locked and unlocked via remote control.
Opening and closing the windows and sliding / pop-up 
roof remotely can only be done with the infrared portion 
of the remote control. Aim transmitter eye at a 
receiver (6 or 7), press and hold transmit button Œ
or ‹.
With vehicle centrally locked, the trunk can also be 
opened by using the remote control.
If the electronic key is inserted in steering lock, the 
vehicle cannot be locked or unlocked, and the trunk lid 
cannot be opened with the remote control.1Transmit button
‹ Locking
Œ Unlocking
Š Opening trunk (if not separately locked)
2Lamp for battery check (see page 291 for changing 
batteries if it does not light up briefly)
3PA N I C  b u t t o n
4Transmitter eye
5Locking tab for mechanical key
P80.35-2032-26
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31 Central locking system
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Locking and unlocking with remote control
Unlocking:
Press transmit button Œ. All turn signal lamps blink 
once to indicate that the vehicle is unlocked.
The remote control can be programmed for two kinds of 
unlocking modes (see below):
Selective unlocking mode –
Press transmit button Œ once to unlock driver’s door 
and fuel filler flap.
Press transmit button Œ twice to unlock all doors, 
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Œ once to unlock all doors, 
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will 
remain locked, see page 39.
The presently active unlocking mode (selective or 
global) can only be determined by unlocking the vehicle 
with the remote control (see below for changing mode).If within 40 seconds of unlocking with the remote 
control, neither door nor trunk is opened, the electronic 
key is not inserted in the steering lock, or the central 
locking switch is not activated, the vehicle will 
automatically lock.
Locking:
Press transmit button ‹ once. All turn signal lamps 
blink three times to indicate that the vehicle is locked.
If the turn signal lamps do not blink, a door or trunk is 
not closed properly.
Note:
If the vehicle cannot be locked or unlocked by pressing 
the transmit button, then it may be necessary to change 
the batteries in the electronic main key (if ok, battery 
check lamp in electronic main key will light briefly 
when pressing transmit button) or to synchronize the 
remote control, see pages 291 and 293.