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.
W210.book Seite 37 Mittwoch, 30. Mai 2001 11:45 11
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.
W210.book Seite 38 Mittwoch, 30. Mai 2001 11:45 11
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.
W210.book Seite 40 Mittwoch, 30. Mai 2001 11:45 11
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.
W210.book Seite 42 Mittwoch, 30. Mai 2001 11:45 11
Page 162 of 350

159 Interior equipment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Interior lighting
1Automatic interior lighting
Press once and the automatic interior lighting is
activated.
Interiors lamps are switched on, and off (soft fade)
delayed, when unlocking or locking the vehicle, or
when opening or closing a door. However, there will
be no (soft fade) delay when the electronic key is in
steering lock position 2.
Press again and interior lamps remain switched off,
even when centrally unlocking or opening a door.2Press to switch interior and reading lamps on or off.
3Press to switch rear passenger compartment lamp
(including reading lamps) on or off.
4Press to switch reading lamp on or off.
Notes:
To prevent the vehicle battery from being discharged,
with reading lamps switched on manually and
electronic key in steering lock position 0 or removed,
the reading lamps go out after approximately 30
minutes.
Entrance lamps, exit lamps in doors
The lamps are switched on and off by the door contact
switches.
Notes:
To prevent the vehicle battery from being discharged,
with doors open all interior lamps go out after
approximately 5 minutes.
W210.book Seite 159 Mittwoch, 30. Mai 2001 11:45 11
Page 288 of 350

285 Towing the vehicle
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Towing the vehicleImportant!
When towing the vehicle, please, note the following:
With the automatic central locking activated and the
electronic key in steering lock position 2, the vehicle
doors lock if the lef t front wheel as well as the right rear
wheel are turning at vehicle speeds of approximately
9 mph (15 km / h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking.
The rear towing eye is located at the right, below the
bumper.
Wa r n i n g
Prior to towing the vehicle with all wheels on the
ground, make certain that the electronic key is in
steering lock position 2. The maximum towing
speed and distance with the vehicle on the ground
is 30 mph and 30 miles.If the electronic key is left in the steering lock
position 0 for an extended period of time, it can no
longer be turned in the lock. In this case, the
steering is locked. To unlock, remove electronic key
from steering lock and reinsert.
W210.book Seite 285 Mittwoch, 30. Mai 2001 11:45 11