
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
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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
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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
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28 Central locking system
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
General notes on the central locking system
If the electronic key is inserted in the steering lock, 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 main 
key, see page 291 or to synchronize the remote 
control, see page 293.
•Use the mechanical key to unlock the vehicle. To 
start engine, insert the electronic key in the steering 
lock. There could be a slight delay until the 
electronic key can be turned in the steering lock.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 
steering lock or press buttonŒ or‹ on the 
electronic main key.
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157 Interior equipment
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Release the switch when the roof has reached the 
required position.
The switch is illuminated when the exterior lamps are 
switched on (except standing lamps).
With the roof closed or tilted open, a screen can be slid 
into the roof opening to guard against sun rays. When 
sliding the roof open, the screen will also retract.
Wa r n i n g !
When closing the sliding / pop-up roof, be sure that 
there is no danger of anyone being harmed by the 
closing procedure.The closing procedure can be immediately reversed 
by either moving the switch in direction (1) or (3), 
or pressing button Œ on the remote control, and 
holding it.When leaving the vehicle, always remove the 
electronic key from 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 can cause 
serious personal injury.
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178 Tele Aid
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Tele Aid
Important!
The initial activation of the Tele Aid system may only be 
performed by completing the subscriber agreement and 
placing an acquaintance call using the “SOS” button. 
Failure to complete either of these steps will result in a 
system that is not activated. If the system is not 
activated the indicator lamp in the “SOS” button stays 
on after turning electronic key in starter switch to 
position 2 and the message “TELE AID – NOT 
ACTIVATED” will be shown in the multifunction display 
for approx. 10 seconds.
If you have any questions regarding activation, please 
call the Response Center at 1-800-756-9018 (in the USA) 
or 1-888-923-8367 (in Canada).
(Telematic Alarm Identification on Demand)
The Tele Aid system consists of three types of response; 
automatic and manual emergency, roadside assistance 
and information.
The Tele Aid system is operational providing that the 
vehicle’s battery is charged, properly connected, not 
damaged and cellular and GPS coverage is available.The speaker volume of a Tele Aid call can be adjusted 
when using the volume control on the multifunction 
steering wheel, for raising press buttonæand for 
lowering press buttonç.
To activate, press the “SOS” button, the Roadside 
Assistance button• or the Information button¡, 
depending on the type of response required.
Shortly after the completion of your Acquaintance Call, 
you will receive a user ID and password via first call 
mail. By visiting www.mbusa.com and selecting 
“Tele Aid” (USA only), you will have access to account 
information, remote door unlock, Info Services
* profile 
and more.
* Optional – available only with COMAND System self-check
Initially, after turning the electronic key in starter 
switch to position 2, malfunctions are detected and 
indicated (the indicator lamps in the “SOS” button, the 
Roadside Assistance button• and the Information 
button¡ stay on longer than 10 seconds or do not 
come on). The message “TELE AID – VISIT 
WORKSHOP” appears for approx. 10 seconds in the 
multifunction display. 
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182 Tele Aid
Te ch n ica l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Roadside Assistance button •
Located below the center armrest cover is the Roadside 
Assistance button•. Pressing and holding the 
button (for longer than 2 seconds) will initiate a call to a 
Mercedes-Benz Roadside Assistance dispatcher. The 
button will flash while the call is in progress. The 
message “ROADSIDE ASSISTANCE – CONNECTING 
CALL” will appear in the multifunction display. When 
the connection is established, the message “ROADSIDE 
ASSISTANCE – CALL CONNECTED” appears in the 
multifunction display. The Tele Aid system will transmit 
data generating the vehicle identification number, 
model, color and location (subject to availability of 
cellular and GPS signals).
A voice connection between the Roadside Assistance 
dispatcher and the occupants of the vehicle will be 
established. When a voice connection is established the 
audio system mutes and the message “TELE AID – 
ROADSIDE ASSISTANCE CALL ACTIVE” appears in the 
multifunction display. The nature of the need for 
assistance can then be described. The Mercedes-Benz 
Roadside assistance dispatcher will either dispatch a 
qualified Mercedes-Benz technician or arrange to tow 
your vehicle to the nearest Mercedes-Benz Center.For services such as labor and/or towing charges may 
apply. Refer to the Roadside Assistance manual for more 
information. 
These programs are only available in the USA:
•Sign and Drive services: Services such as jump start, 
a few gallons of fuel or the replacement of a f lat tire 
with the vehicle spare tire are obtainable,
•Remote Vehicle Diagnostics: This function permits 
the Mercedes-Benz Roadside Assistance dispatcher 
to download malfunction codes and actual vehicle 
data.
Notes:
The indicator lamp in the Roadside Assistance 
button• remains illuminated in red for approx. 
10 seconds during the system self-check after turning 
electronic key in starter switch to position 2 (together 
with the “SOS” button and the Information 
button¡).
See system self-check on page 178 when the indicator 
lamp does not light up in red or stays on longer than 
approximately 10 seconds.
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253 Contents - Practical hints
Te ch n ica l
data Instruments 
and controlsOperation DrivingInstrument 
cluster displayPractical hintsCar care Index
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  .........263Spare 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 .................................... 269
Changing wheels  ............................271
Tire inflation pressure  ..................276
Battery ............................................. 277
Jump starting  ................................. 279
Towing the vehicle  ........................ 282
Transmission selector lever, 
manually unlocking  ................. 284Exterior 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
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