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
ProCarManuals.com
3 ContentsShelf below rear window .............. 170
Garage door opener ....................... 171
DrivingControl and operation
of radio transmitters ................ 176
The first 1 000 miles
(1 500 km) ................................. 177
Maintenance ................................... 177
Tele Aid ........................................... 178
Catalytic converter ........................ 188
Emission control ............................ 189
Steering lock ................................... 190
Starting and turning off
the engine .................................. 192
Automatic transmission ............... 193
Parking brake .................................202
Driving instructions ......................203
Drive sensibly - Save Fuel .........203
Drinking and driving .................203
Pedals ...........................................203
Power assistance ........................204
Brakes ..........................................204
Driving off ...................................205Parking ........................................ 205
Tires ............................................. 206
Snow chains ............................... 208
Winter driving
instructions ................................ 209
Block heater .................................210
Deep water ................................... 211
Passenger compartment ............ 211
Traveling abroad ......................... 211
Cruise control .................................212
Brake assist system
(BAS) ...........................................215
Antilock brake system
(ABS) ...........................................217
Four Wheel Electronic Traction
System (4MATIC) .......................219
Electronic stability program
(ESP) ........................................... 220
Parking assist
(Parktronic) .............................. 224
What you should know
at the gas station ...................... 229
Check regularly and
before a long trip ...................... 231
Instrument cluster displayMalfunction and
indicator lamps in the
instrument cluster ....................234
On-board
diagnostic system .......................234
Check engine malfunction
indicator lamp .............................234
Brake warning lamp ..................235
Supplemental restraint
system (SRS)
indicator lamp .............................236
Fuel reserve and fuel cap
placement warning ....................236
Electronic stability program
(ESP) — warning lamp ...............237
BAS / ESP malfunction
indicator lamp .............................237
ABS malfunction
indicator lamp .............................237
Seat belt warning lamp .............238
Malfunction and
indicator lamp in
the center console .....................238
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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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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
1
3
4
2
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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
1
ProCarManuals.com
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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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
24
3
5
1
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30 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
6Infrared receiver in driver’s door handle7Infrared receiver in front passenger door handle
6
P80.30-2137-26
7
P80.30-2138-26
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