
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  .................................... 26
General notes on the 
central locking system  ............... 26
Central locking system  ................... 27
Radio frequency and 
infrared remote control  ............... 27
Opening and closing 
windows and sliding/pop-up 
roof from outside  .......................... 31Panic button  ................................. 32
Mechanical keys  .......................... 32
Doors  ................................................. 33
Central locking switch .................... 35
Automatic central locking  .......... 36
Emergency unlocking in 
case of accident  .......................... 36
Trunk ................................................. 37
Trunk lamp ....................................... 39
Trunk lid release switch  ................ 40
Trunk lid emergency release  ......... 41
Trunk lid emergency release  ........ 42
Antitheft alarm system ................... 43
Tow-away alarm  ............................... 44
Power seats, front  ............................ 45
Front head restraints  ...................51
Rear head restraints  .................... 52
Backrest  ............................................ 54
Multicontour seat  ............................ 55
Heated seats  ..................................... 56
Seat belts and integrated 
restraint system  .......................... 58Seat belts ........................................... 58
Seat belt nonusage 
warning system  ............................ 59
BabySmart
TM airbag 
deactivation system  .................... 65
Self-test BabySmart
TM without 
special child seat installed  ......... 66
Supplemental restraint 
system (SRS)  ................................ 66
Emergency tensioning 
retractor (ETR) ............................. 67
Airbags  .............................................. 68
Safety guidelines for the 
seat belt, emergency tensioning 
retractor and airbag  ..................... 74
Infant and child 
restraint systems  .......................... 76
Adjusting telescoping 
steering column  .......................... 79
Inside rear view mirror  .................. 80
Exterior rear view mirrors  ............. 81
Instrument cluster  ........................... 84
Indicator lamps in the 
instrument cluster  ...................... 86
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2 Contents 
Multifunction steering wheel, 
multifunction display  ................. 90
Trip and main odometer 
and sub menu  .............................. 94
Audio systems  .................................. 95
Radio  .............................................. 95
CD player  ....................................... 96
Cassette player  ............................. 97
Telephone  .......................................... 98
Telephone book  ............................ 98
Redialing  ..................................... 100
Incoming call  .............................. 102
Navigation system .......................... 103
Trip computer  ................................. 104
Malfunction message 
memory  ...................................... 106
Individual settings ......................... 108
Setting the audio volume ...............110
Flexible service system (FSS)  ....... 111
Engine oil level indicator ...............114
Engine oil consumption  .................115Exterior lamp switch ...................... 116
Night security illumination  .......... 117
Headlamp cleaning system  ........... 118
Combination switch  ....................... 119
Hazard warning flasher 
switch  ..........................................121
Automatic climate control ............ 122
Display and controls  ................. 124
Basic setting - 
automatic mode  ......................... 124
Economy ...................................... 125
Special settings  .......................... 125
Rear window defroster  .............. 126
Air recirculation  ........................ 127
Residual engine 
heat utilization  ........................... 127
Dust filter  .................................... 128
Audio and telephone, 
operation  .................................... 129
Power windows  .............................. 147
Sliding/pop-up roof  ....................... 149Interior lighting  ............................. 151
Rear window sunshade  ................. 152
Sun visors  ....................................... 152
Illuminated vanity mirrors ........... 153
Interior  ............................................ 153
Storage compartments, 
armrest and cup holder  ........... 153
Glove box  ..................................... 154
Ashtrays  .......................................... 157
Lighter  ............................................. 159
Enlarged cargo area – split folding 
rear seat backrest  ..................... 160
Loading instructions  ..................... 162
Cargo tie down rings  ..................... 163
Parcel net in front 
passenger footwell  .................... 164
Telephone, general  ........................ 164
Cellular telephone  ......................... 165
Garage door opener  ....................... 166
Ski sack  ........................................... 170
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22 Contents – Operation
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
OperationVehicle keys  ...................................... 24
Start lock-out  .................................... 26
General notes on the 
central locking system  ............... 26
Central locking system  ................... 27
Radio frequency and 
infrared remote control  ............... 27
Opening and closing 
windows and sliding/pop-up 
roof from outside  .......................... 31
Panic button  .................................. 32
Mechanical keys  ........................... 32
Doors .................................................. 33
Central locking switch  .................... 35
Automatic central locking  .......... 36
Emergency unlocking in 
case of accident  ........................... 36
Trunk  ................................................. 37
Trunk lamp  ....................................... 39
Trunk lid release switch  ................. 40Trunk lid emergency release  ......... 41
Trunk lid emergency release  ........ 42
Antitheft alarm system ................... 43
Tow-away alarm  ............................... 44
Power seats, front  ............................ 45
Front head restraints  ...................51
Rear head restraints  .................... 52
Backrest  ............................................ 54
Multicontour seat  ............................ 55
Heated seats  ..................................... 56
Seat belts and integrated 
restraint system  .......................... 58
Seat belts  .......................................... 58
Seat belt nonusage 
warning system  ............................ 59
BabySmart
TM airbag 
deactivation system  ................... 65
Self-test BabySmart
TM without 
special child seat installed  ......... 66
Supplemental restraint 
system (SRS)  ............................... 66
Emergency tensioning 
retractor (ETR)  ............................ 67Airbags  .............................................. 68
Safety guidelines for the 
seat belt, emergency tensioning 
retractor and airbag  ..................... 74
Infant and child 
restraint systems  .......................... 76
Adjusting telescoping 
steering column  .......................... 79
Inside rear view mirror  .................. 80
Exterior rear view mirrors  ............. 81
Instrument cluster  ........................... 84
Indicator lamps in the 
instrument cluster  ...................... 86
Multifunction steering wheel, 
multifunction display  ................. 90
Trip and main odometer 
and sub menu  .............................. 94
Audio systems  .................................. 95
Radio  .............................................. 95
CD player  ....................................... 96
Cassette player  ............................. 97
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24 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Ve h i c l e   k e y s
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 steering lock, 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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25 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Electronic key
The electronic 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 glove box lock.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 key.
The infrared receivers are located in the door handles.
Notes:
Remove the mechanical key from the electronic key 
when using valet parking service. To prevent access to 
trunk or storage compartments lock them separately 
and retain the mechanical key.
See page 37 for separate locking of trunk and page 154 
for locking of glove box.
Obtaining replacement keys
Your vehicle is equipped with a theft deterrent locking 
system requiring a special key manufacturing process. 
For security reasons, replacement keys can only be 
obtained from your authorized Mercedes-Benz Center.
P80.35-2031-26
1
3
4
2
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27 Central locking system
Technical
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 283 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 283 for changing 
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.35-2032-26
24
3
5
1
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91 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Depending on your vehicle’s equipment, you may use 
the buttons on the multifunction steering wheel to call 
up, control and set the following systems in the 
multifunction display:
1Trip and main odometer, see page 94
Vehicle speed, see page 94
Flexible service system (FSS), see page 111
Engine oil level indicator, see page 114
2Audio systems, see page 95
Radio, see page 95
CD player (optional), see page 96
Cassette player, see page 97
3Navigation system (optional), see page 103
4Malfunction message memory, see page 106
5Individual settings, see page 108
6Trip computer, see page 104
After start
After reset
Fuel tank content
7Telephone (if so equipped), see page 98Press the è or ÿ button repeatedly until the 
required system is displayed.
Pressing the è button advances the display to the 
next system.
Pressing the ÿ button returns the display to the 
previous system.
You may call up additional displays within some of these 
categories by pressing the j or k button.
Wa r n i n g !
A driver’s attention to the road must always be his/
her primary focus when driving. For your safety and the safety of others, selecting 
features through the multifunction steering wheel 
should only be done by the driver when traffic and 
road conditions permit it to be done safely. 
Programming individual settings in the system can 
only be made while the vehicle is at standstill.
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93 Multifunction steering wheel, multifunction display
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Press the è or ÿ button repeatedly until the 
required system is displayed.
Pressing the è button advances the display to the 
next system.
Pressing the ÿ returns the display to the previous 
system.
You may call up additional displays in some systems by 
pressing the j or k button.Note:
The displays in the multifunction display can be set to 
German, English, French, Italian or Spanish language. 
See the “TEXT” individual setting on page 108 for 
instructions on changing the language setting.
The displays for the audio systems (radio, CD player, 
cassette player) will appear in English, regardless of the 
language selected.
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