Page 32 of 350

29 Central locking system
Technical
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 unlock driver’s 
door and fuel filler flap.
Press transmit button Œ twice to unlock all doors, 
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Œ  once to unlock all doors, 
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will 
remain locked, see page 37.
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 nor 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 the turn signal lamps do not blink, a door or trunk is 
not closed properly.
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 key (if ok, battery check 
lamp in electronic key will light briefly when pressing 
transmit button) or to synchronize the remote control, 
see pages 294 and 296.
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        Page 33 of 350
30 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Choosing global or selective mode on remote control
Press and hold transmit buttons ‹ and Œ 
simultaneously for five seconds to reprogram the 
remote control. Battery check lamp will blink two times 
indicating the completed mode change.Opening the trunk
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.
Press transmit button Š until trunk lid is open.
Important!
Do not place remote control in trunk since trunk is 
locked when the lid is closed if the vehicle is centrally 
locked.
Note:
If the trunk was previously locked separately, it will 
remain locked, see page 37.
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        Page 34 of 350

31 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Opening and closing windows and 
sliding / pop-up roof from outside 
(summer opening / convenience feature)
Aim transmitter eye of remote control at a door receiver.
Summer opening:
Continue to press transmit button Œ after unlocking 
the vehicle.
The windows and sliding / pop-up roof begin to open 
after approximately 1 second.
To interrupt opening procedure, release transmit 
button.
Convenience feature:
Continue to press transmit button ‹ after locking 
the vehicle.
The windows and sliding / pop-up roof begin to close 
after approximately 1 second.
To interrupt closing procedure, release transmit button.Ensure that all side windows and the sliding/pop-up 
roof are properly closed before leaving the vehicle.
Note:
If the windows and sliding / pop-up roof cannot be 
operated automatically by pressing the transmit button 
of the remote control then it may be necessary to 
change the batteries in the electronic key (if ok, battery 
check lamp in electronic key will light briefly when 
transmitting), or to synchronize the remote control, see 
page 294 and 296.
Wa r n i n g !
Never operate the windows or sliding / pop-up roof 
if there is the possibility of anyone being harmed 
by the opening or closing procedure.In case the procedure causes potential danger, the 
procedure can be immediately halted by releasing 
the remote control button. To reverse direction of 
movement press Œ for opening or ‹ for 
closing.
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        Page 35 of 350

32 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Panic button
To activate press and hold button (1) for at least one 
second. An audible alarm and blinking exterior lamps 
will operate for approximately 3 minutes.
To deactivate press button (1) again, or insert electronic 
key in steering lock.Note:
For operation in the USA only: This device complies 
with Part 15 of the FCC Rules. Operation is subject to 
the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, 
including interference that may cause undesired 
operation.
Any unauthorized modification to this device could void 
to the user’s authority to operate the equipment.
Mechanical keys
The mechanical keys work only in the driver’s door, 
trunk, and storage compartment locks.
Notes:
The mechanical key does not operate the central 
locking system or antitheft alarm system.
The fuel filler flap cannot be locked or unlocked with 
the mechanical key.
P80.35-2035-26
1
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        Page 36 of 350
33 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Doors
1Opening – pull handle
2Unlocking driver’s door
3Locking driver’s door
4Individual door from inside:
Push lock button down to lock.
Important!
The mechanical key does not operate the central 
locking system or antitheft alarm system.5Front door from inside:
Pull handle to unlock.
When you lock the driver’s door with the mechanical 
key, the door lock button should move down.
Each individual door must be locked with the respective 
door lock button – the driver’s door can only be locked 
when it is closed.
1
2
3
4
P72.10-2240-26
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        Page 37 of 350

34 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
If the vehicle has previously been locked from the 
outside, opening a door from the inside will trigger the 
alarm. When opening a door while the central locking 
system is in the:
•selective unlocking mode, only that individual door 
is unlocked. The remaining doors, the trunk and 
fuel filler flap remain locked.
•global unlocking mode, all doors, the trunk and fuel 
filler flap are unlocked.
Notes:
In case of a malfunction in the central locking system 
the doors can be locked and unlocked individually.To lock, push down lock buttons and turn mechanical 
key in driver’s door lock to position 3, see page 33. In 
addition lock the trunk.
To unlock, pull inside door handles or turn mechanical 
key in driver’s door lock to position 2, see page 33.
Rear doors can only be opened from inside by first 
pulling up the door lock button.
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 key.
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        Page 38 of 350

35 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unlocking
The central locking switch is located in the center 
console.
The doors and trunk can only be locked with the central 
locking switch if both front doors are closed.
If the vehicle was previously locked with the central 
locking switch, while in the selective remote control 
mode, only the door opened from the inside is unlocked.If the vehicle was previously locked with the central 
locking switch, while in the global remote control mode, 
the complete vehicle is unlocked when a front door is 
opened from the inside.
Notes:
If the vehicle was previously locked with the remote 
control, the doors and trunk cannot be unlocked with 
the central locking switch.
The fuel filler flap cannot be locked or unlocked with 
the central locking switch.
If the vehicle has previously been locked from the 
outside, opening a door from the inside will trigger the 
alarm. To cancel the alarm, insert the electronic key in 
the steering lock or press buttonŒ or‹ on the 
electronic key.
Wa r n i n g !
When leaving the vehicle always remove the 
electronic key from the steering lock, and lock 
your vehicle. Do not leave children unattended in 
the vehicle, or with access to an unlocked vehicle. 
Unsupervised use of vehicle equipment may cause 
serious personal injury.
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        Page 39 of 350

36 Central locking system
Technical
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Automatic central locking
The central locking switch also operates the automatic 
central locking.
With the automatic central locking system activated, 
the doors and trunk are locked at vehicle speeds of 
approximately 9 mph (15 km / h) or more. The fuel filler 
flap remains unlocked.
To a c ti va te :
With electronic key in steering lock position 2 hold 
upper portion of switch (1) for a minimum of 5 seconds.
To deactivate:
With electronic key in steering lock position 2 hold 
lower portion of switch (2) for a minimum of 5 seconds.
Notes:
If doors are unlocked with the central locking switch 
after activating the automatic central locking, and 
neither door is opened, then the doors remain unlocked 
even at vehicle speeds of approximately 9 mph 
(15 km / h) or more.If a door is opened from the inside at speeds of 
approximately 9 mph (15 km / h) or less with the 
automatic central locking activated, the door will again 
be automatically locked at speeds of approximately 
9 mph (15 km / h) or more.
Important!
When towing the vehicle, or with the vehicle on a 
dynamometer test stand, please, note the following:
With the automatic central locking activated and the 
electronic key in steering lock position 2, the vehicle 
doors will lock if the left front wheel as well as the right 
rear wheel spin 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.
Emergency unlocking in case of accident
The doors unlock automatically a short time after a 
strong deceleration is detected, such as in a collision 
(this is intended to aid rescue and exit).
Driving on rough roads may cause the vehicle to unlock. 
If necessary, the vehicle can be locked again with the 
central locking switch, see page 35.
W210.book Seite 36 Mittwoch, 30. Mai 2001 11:45 11