Page 40 of 350

37 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk
When the trunk is separately locked, it remains locked
when centrally unlocking the vehicle.
To deny any unauthorized person access to the trunk,
lock it separately with the mechanical key. Leave only
the electronic key less its mechanical key with the
vehicle.
Notes:
In case of a malfunction in the central locking system
the trunk can be unlocked individually.
To unlock and open the trunk lid, turn mechanical key
to position 1, hold and push to open.
The mechanical key does not operate the central
locking system or antitheft alarm system.
When unlocking the trunk 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 key.
If the fuel filler flap cannot be opened, see page 299.0Neutral position – push to open (arrow)
1Unlocking
2Separate locking of trunk – remove mechanical key
in this position (only vehicles built prior 09/01).
The vehicle production date (e.g. 09/01) can be
found on the certification label, which is located on
the driver’s door pillar, see page 313.
The trunk lid cannot be opened by the trunk lid release
switch or the electronic key when previously locked
separately with the mechanical key.
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Page 41 of 350
38 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Lower trunk lid using handle (3) or recessed grip (4)
and close it with grip molding (5). Please remember to
keep your fingers out of the space between the lid and
the vehicle.Important!
Do not place mechanical key inside trunk, since trunk
is locked again when the lid is closed if the vehicle has
been previously centrally locked.
Wa r n i n g !
To prevent possible personal injury, always keep
hands and fingers away from the trunk opening
when closing the trunk lid. Be especially careful
when small children are around.
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Page 42 of 350
39 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lampIf the trunk is to remain open for a long period of time,
the trunk lamp can be switched off by pulling out the
plunger in the switch (arrow). This prevents the vehicle
battery from being discharged.
When the trunk lid is closed, the switch will reset and
turn on the lamp next time the lid is opened.
W210.book Seite 39 Mittwoch, 30. Mai 2001 11:45 11
Page 43 of 350

40 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Trunk lid release switch
The switch is located on the center console.
The trunk lid will swing open automatically. You should
always make sure there is sufficient clearance.
A minimum height clearance of 5.9 ft. (1.8 m) is
required to open the trunk lid.
To open the trunk, the vehicle must be at standstill.
Pull up on switch until trunk lid is open.
The indicator lamp in the switch remains on with trunk
lid open.Notes:
The trunk can also be opened by using the remote
control. Press Š button.
The trunk lid cannot be opened by the switch or the
remote control when previously locked separately with
the mechanical key. To open, see page 37.
The trunk lid cannot be opened with the trunk lid
release switch when the vehicle was previously locked
with the remote control. To unlock vehicle with the
remote control, see page 27.
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Page 44 of 350

41 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid emergency release
(vehicles built prior to September 2001)
The emergency release button (1) is located in the trunk
lid.
Briefly press emergency release button (1).
The doors, the fuel filler flap, and the trunk unlocks;
and the trunk lid opens.
The vehicle production date (e.g. 09/01) can be found
on the certification label, which is located on the
driver’s door pillar, see page 313.Note:
The emergency release button (1) only unlocks and
opens the trunk while the vehicle is not in motion.
Important!
The emergency trunk lid release button (1), does not
open the trunk lid, if the trunk has been locked using
the mechanical key or if the vehicle battery is
discharged or disconnected.
Illumination of the emergency release button (1):
The button will blink for 30 minutes after opening the
trunk.
The button will blink for 60 minutes after closing the
trunk.
W210.book Seite 41 Mittwoch, 30. Mai 2001 11:45 11
Page 45 of 350
42 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Trunk lid emergency release
(vehicles built September 2001 and later)
The emergency release button (1) is located in the trunk
lid.
Briefly press emergency release button (1).
The trunk unlocks and the trunk lid opens.
The vehicle production date (e.g. 09/01) can be found
on the certification label, which is located on the
driver’s door pillar, see page 313.Important!
The emergency trunk lid release button (1), does not
open the trunk lid, if the vehicle battery is discharged or
disconnected.
Illumination of the emergency release button (1):
The button will blink for 30 minutes after opening the
trunk.
The button will blink for 60 minutes after closing the
trunk.
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Page 46 of 350

43 Antitheft alarm system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Antitheft alarm system
1Indicator lamp in switch located in center console
The antitheft alarm is automatically armed or disarmed
with the remote control by locking or unlocking the
vehicle.
The antitheft alarm is armed within approximately
15 seconds after locking the vehicle.
A blinking lamp (1) indicates that the alarm is armed.Operation:
Once the alarm system has been armed, the exterior
vehicle lamps will flash and an alarm will sound when
someone:
•opens a door,
•opens the trunk,
•opens the hood,
•attempts to raise the vehicle.
The alarm will last approximately 3 minutes in form of
flashing exterior lamps. At the same time an alarm will
sound for 30 seconds. The alarm will stay on even if the
activating element (a door, for example) is immediately
closed. If the alarm stays on for more than 20 seconds,
an emergency call is initiated automatically. See Tele
Aid on page 178.
Notes:
When you unlock 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 key.
1
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Page 47 of 350

44 Tow-away alarm
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Tow-away alarm
The switch is located in the center console.
1Press to switch off
2Indicator lamp
Once the alarm system has been armed, the exterior
vehicle lamps will flash and an alarm will sound when
someone attempts to raise the vehicle.The alarm will last approximately 3 minutes in form of
flashing exterior lamps. At the same time an alarm will
sound for 30 seconds. The alarm will stay on even if the
vehicle is immediately lowered. To cancel the alarm,
insert the electronic key in the steering lock or press
buttonŒ or‹ on the electronic key
If the alarm stays on for more than 20 seconds, an
emergency call is initiated automatically. See Tele Aid
on page 178.
To prevent triggering the tow-away alarm feature,
switch off the tow-away alarm before towing the vehicle,
or when parking on a surface subject to movement,
such as a ferry or auto train.
To do so, turn electronic key in steering lock to
position 0 or 1, or remove electronic key from steering
lock. Press tow-away alarm switch (1). The indicator
lamp (2) illuminates briefly.
Exit vehicle, and lock vehicle with the remote control.
The tow-away alarm remains switched off until the
vehicle is locked again with the electronic key, at which
time it is automatically reactivated.
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