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 ............... 27
Central locking system ................... 28
Radio frequency and infrared
remote control .............................. 28
Opening and closing windows
and sliding/pop-up roof from
outside ........................................... 32Panic button ................................. 33
Mechanical keys .......................... 33
Doors ................................................. 34
Central locking switch .................... 36
Automatic central locking .......... 37
Emergency unlocking in
case of accident .......................... 37
Trunk ................................................. 38
Trunk lid release switch ................ 40
Trunk lid emergency
release ...........................................41
Antitheft alarm system ................... 42
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 ............................ 59BabySmart
TM airbag
deactivation system .................... 65
Self-test BabySmart
TM without
special child seat installed ......... 65
Supplemental restraint
system (SRS) ................................ 66
Emergency tensioning
retractor (ETR) ............................. 66
Airbags .............................................. 67
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag ..................................... 73
Infant and child
restraint systems .......................... 75
Adjusting telescoping
steering column .......................... 78
Inside rear view mirror .................. 79
Exterior rear view mirrors ............. 80
Instrument cluster ........................... 84
Indicator lamps in the
instrument cluster ...................... 86
Multifunction steering wheel,
multifunction display ................. 90
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 ............... 27
Central locking system ................... 28
Radio frequency and infrared
remote control .............................. 28
Opening and closing windows
and sliding/pop-up roof from
outside ........................................... 32
Panic button .................................. 33
Mechanical keys ........................... 33
Doors .................................................. 34
Central locking switch .................... 36
Automatic central locking .......... 37
Emergency unlocking in
case of accident ........................... 37
Trunk ................................................. 38
Trunk lid release switch ................. 40
Trunk lid emergency
release .......................................... 41
Antitheft alarm system ................... 42
Tow-away alarm ................................ 44Power 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 ......... 65
Supplemental restraint
system (SRS) ............................... 66
Emergency tensioning
retractor (ETR) ............................ 66
Airbags .............................................. 67
Safety guidelines for the
seat belt, emergency
tensioning retractor
and airbag ..................................... 73Infant and child
restraint systems .......................... 75
Adjusting telescoping
steering column .......................... 78
Inside rear view mirror .................. 79
Exterior rear view mirrors ............. 80
Instrument cluster ........................... 84
Indicator lamps in the
instrument cluster ...................... 86
Multifunction steering wheel,
multifunction display ................. 90
Trip and main odometer,
vehicle speed, FSS and
engine oil level indicator ........... 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
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 door handles.
Notes:
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 38 for separate locking of trunk and page 154
for locking of glove box.
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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, 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.
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.
P80.35-2036-26
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27 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Start lock-out
Important!
Removing the electronic key from the steering lock
activates the start lock-out. The engine cannot be
started.
Inserting the electronic key in the steering lock
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 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 door
handle. Check the batteries of the electronic main
key, see page 283 or to synchronize the remote
control, see page 285.
•Use the mechanical key to unlock the driver’s door.
To start th e engine, insert t he el ectronic main key in
the steering lock. There could be a slight delay until
the electronic main 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.
28 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 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 brief ly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
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29 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 passenger door handle
30 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 unl ock d river’s d oor
and fuel filler flap.
Press transmit button Œ twice to unlock both doors,
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Œ once to unlock both doors,
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will
remain locked, see page 38.
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 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 they do not blink three times, a door or trunk 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 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 page 283 and 285.