
1 Contents
IntroductionProduct information  .......................... 7
Operator’s manual  ............................. 8
Where to find it  ................................ 13
Reporting Safety Defects  ................ 15Instruments and controlsInstruments and controls  ............... 18
Door control panel  ....................... 20
Overhead control panel  ............... 21
Dashboard  ..................................... 22
Center console  .............................. 24OperationVehicle keys  ...................................... 28
Start lock-out  .................................... 30
General notes on the 
central locking system  ............... 30
Central locking system  ................... 31
Radio frequency and 
infrared remote control  ............... 31
Locking and unlocking ................ 33Choosing global or selective 
mode on remote control  ............. 33
Opening and closing windows 
and sliding / pop-up roof 
from outside  ................................. 34
Panic button  ................................. 35
Mechanical keys  .......................... 35
Doors  ................................................. 36
Central locking switch .................... 38
Automatic central locking .............. 39
Emergency unlocking 
in case of accident  ...................... 39
Tailgate .............................................. 40
Opening the tailgate .................... 40
Emergency unlocking 
the tailgate  .....................................41
Closing the tailgate  ..................... 42
Antitheft alarm system ................... 43
Tow-away alarm  ............................... 44
Easy-entry/exit feature  .................. 45
Front seat adjustment ..................... 46
Removal and installation of 
front seat head restraints  .......... 50
Multicontour seat  .............................51Heated seats  ..................................... 52
Rear seat head restraints ................ 53
Seat belts and integrated 
restraint system  .......................... 56
Seat belts ........................................... 56
Seat belt nonusage 
warning system  ........................... 57
BabySmart
TM airbag 
deactivation system  .................... 64
Supplemental Restraint 
System (SRS)  ............................... 65
Emergency tensioning 
retractor (ETR) ............................. 66
Airbags  .............................................. 67
Safety guidelines for the seat 
belt, emergency tensioning 
retractor and airbag .................... 75
Infant and child 
restraint systems ......................... 77
Steering wheel adjustment 
(electrical)  .................................... 83
Rear view mirrors  ............................ 84
Instrument cluster  ........................... 92
Multifunction steering wheel, 
multifunction display  ................. 96
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5 ContentsELEC. STABIL. PROG. 
(Electronic stability program)  ..292
COOLANT 
(coolant level)  .............................293
COOLANT 
(coolant temperature)  ................294
ENGINE OIL LEVEL  ...................295
STEERING GEAR OIL .................296
LIGHTING SYSTEM  ....................297
LAMP SENSOR  ...........................299
DOOR ............................................299
TRUNK OPEN  .............................300
HOOD  ...........................................300
TELEPHONE – FUNCTION  ....... 301
TELE AID  ..................................... 301
WASHER FLUID ..........................302
RESTRAINT SYSTEM  .................303
KEY ...............................................303
FUEL RESERVE  ..........................304
UNDERVOLTAGE  ........................304
Practical hintsFirst aid kit  ..................................... 306
Stowing things in the vehicle ...... 307
Fuses  ............................................... 307
Hood  ................................................. 311
Adding engine oil  ........................... 314
Automatic transmission 
fluid level  .................................... 315
Coolant level .................................... 315
Adding coolant  ............................ 316
Windshield and headlamp 
washer system  ........................... 316
Spare wheel, 
storage compartment  ................ 318
Vehicle tools  .................................... 319
Vehicle jack  .................................... 320
Wheels  ............................................ 321
Tire replacement  ....................... 321
Rotating wheels  ......................... 322Spare wheel  ....................................323
Spare wheel bolts  .......................323
Changing wheels  ...........................324
Tire inflation pressure  ..................329
Battery  .............................................330
Jump starting  ..................................332
Towing the vehicle .........................335
Transmission selector lever, 
manually unlocking  ...................338
Exterior lamps  ................................339
Replacing bulbs  ..........................339
Standby bulb function ...................345
Changing batteries in the 
electronic main key  ..................346
Synchronizing 
remote control  ............................348
Emergency engine shut-down  .....348
Fuel filler flap, manual release  ...349
Replacing wiper blade insert  ....... 351
Roof rack  .........................................352
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26 Contents - Operation
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
OperationVehicle keys  ...................................... 28
Start lock-out  .................................... 30
General notes on the 
central locking system  ............... 30
Central locking system  ................... 31
Radio frequency and 
infrared remote control  ............... 31
Locking and unlocking ................ 33
Choosing global or selective 
mode on remote control  .............. 33
Opening and closing windows 
and sliding / pop-up roof 
from outside  .................................. 34
Panic button  .................................. 35
Mechanical keys  ........................... 35
Doors .................................................. 36
Central locking switch  .................... 38
Automatic central locking  .............. 39
Emergency unlocking 
in case of accident  ...................... 39
Tailgate  .............................................. 40
Opening the tailgate  .................... 40Emergency unlocking 
the tailgate  .....................................41
Closing the tailgate  ..................... 42
Antitheft alarm system ................... 43
Tow-away alarm  ............................... 44
Easy-entry/exit feature  .................. 45
Front seat adjustment ..................... 46
Removal and installation of 
front seat head restraints  .......... 50
Multicontour seat  .............................51
Heated seats  ..................................... 52
Rear seat head restraints  ............... 53
Seat belts and integrated 
restraint system  .......................... 56
Seat belts  .......................................... 56
Seat belt nonusage 
warning system  .......................... 57
BabySmart
TM airbag 
deactivation system  ................... 64
Supplemental Restraint 
System (SRS)  ............................... 65
Emergency tensioning 
retractor (ETR)  ............................ 66
Airbags .............................................. 67Safety guidelines for the seat 
belt, emergency tensioning 
retractor and airbag .................... 75
Infant and child 
restraint systems ......................... 77
Steering wheel adjustment 
(electrical)  .................................... 83
Rear view mirrors  ............................ 84
Instrument cluster  ........................... 92
Multifunction steering wheel, 
multifunction display  ................. 96
Trip and main odometer 
and sub menu  ............................ 100
Audio systems  ................................ 102
Radio  ............................................ 102
CD player  ..................................... 103
Cassette player  ........................... 104
Telephone  ........................................ 105
Navigation system ...........................110
Trip computer  .................................. 111
Malfunction/warning 
message memory  .......................113
Individual settings ..........................115
Setting the audio volume  ............. 130
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28 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Vehicle keys
Included with your vehicle are 2 electronic keys with 
integrated radio frequency and infrared remote controls 
plus removable mechanical key.
The locking tabs for the mechanical key portion of the 
two electronic keys are a different color to help 
distinguish it.
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.
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30 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Start lock-out
Important!
Removing the electronic key from the starter switch 
activates the start lock-out. The engine cannot be 
started.
Inserting the electronic key in the starter switch 
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is 
in order), 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).General notes on the central locking system
If the electronic key is inserted in the starter switch, the 
vehicle cannot be locked or unlocked with the remote 
control.
If the vehicle cannot be locked or unlocked:
•Aim transmitter eye at a receiver of either front door 
handle. Check the batteries of the electronic key, see 
page 346, or synchronize the electronic key, see 
page 348.
•Use the mechanical key to unlock the vehicle. To 
start engine, insert the electronic key in the starter 
switch. There could be a slight delay until the 
electronic key can be turned in the starter switch.
Important!
When unlocking the driver’s door with the mechanical 
key, the exterior lamps will flash and the alarm will 
sound.
To cancel the alarm, insert the electronic key in the 
starter switch or press buttonŒ or‹ on the 
electronic key.
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31 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic 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 346 for checking batteries.
The vehicle doors, tailgate and fuel filler flap can be 
centrally locked and unlocked via remote control.
Opening and closing the windows and sliding/pop-up 
roof 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 ‹, 
seepage34.
If the electronic key is inserted in starter switch, the 
vehicle cannot be locked or unlocked.1Transmit button
‹ Locking
Œ Unlocking
2Lamp for battery check (see page 346 for changing 
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.35-2033-26
2
1
4
3
5
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33 Central locking system
Te ch n i c a 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 tailgate.
Global unlocking mode –
Press transmit button Œ once to unlock all doors, 
fuel filler flap, and tailgate.
Notes:
If the tailgate was previously locked separately, it will 
remain locked, see page 41.
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 or tailgate is opened, the electronic 
key is not inserted in the starter switch, 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 
they do not blink three times, a door or tailgate is not 
properly closed.
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 key (if ok, battery check 
lamp in electronic key will light briefly when pressing 
transmit button) or to synchronize the remote control, 
see pages 346 and 348.
Choosing global or selective mode on remote control
Press and hold transmit buttons‹ andŒ 
simultaneously for five seconds to reprogram the 
remote control. Battery check lamp will blink two times 
indicating the completed mode change.
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38 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 tailgate 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 tailgate 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 key.
P54.25-2499-26
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.
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