Page 34 of 406

31 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Central locking system
Radio frequency and infrared remote control
The electronic 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 brief ly – indicating that the batteries are 
in order. See page 357 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 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 ‹, 
seepage35.
With vehicle centrally locked, the trunk can also be 
opened by using the remote control.
If the electronic key is inserted in starter switch, 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 357 for changing 
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P 80.35-2032-26
24
3
5
1
OM_203.book  Seite 31  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 35 of 406
32 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
6Infrared receiver in driver’s door handle7Infrared receiver in front passenger door handle
P 80.30-2139-26
6
P 80.30-2140-26
7
OM_203.book  Seite 32  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 36 of 406

33 Central locking system
Te ch n i c a 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 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 41.
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 starter switch, 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 key (if ok, battery check 
lamp in electronic key will light briefly when pressing 
transmit button) or to synchronize the remote control, 
see pages 357 and 359.
Choosing global or selective mode on remote control
Press and hold transmit buttons‹ andŒ 
simultaneously for five seconds to reprogram the 
remote control. Battery check lamp will blink two times 
indicating the completed mode change.
OM_203.book  Seite 33  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 37 of 406
34 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index
Opening the trunk
The trunk lid will swing open automatically. You should 
always make sure there is sufficient clearance.
A minimum height clearance of 5.75 ft. (1.75 m) is 
required to open the trunk lid.
Press transmit buttonŠ 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.
Notes:
If the trunk was previously locked separately, it will 
remain locked, see page 41.
OM_203.book  Seite 34  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 38 of 406

35 Central locking system
Te ch n i c a l
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 the door 
receiver.
Summer opening:
The sliding / pop-up roof and all side windows can be 
opened automatically.
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:
The sliding / pop-up roof and the side windows can be 
closed.
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 t he r emo te c ontr ol then  it m ay  be n ece ssar y to chan ge 
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 357 and 359.
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.
OM_203.book  Seite 35  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 39 of 406

36 Central locking system
Te ch n i c a l
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 starter switch.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 
the user’s authority to operate the equipment.
Mechanical keys
The mechanical keys work only in driver’s door, trunk, 
and glove box 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.
If the fuel filler flap cannot be opened, see page 360.
P 80.35-2035-26
1
OM_203.book  Seite 36  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 40 of 406
37 Central locking system
Te ch n i c a l
data Instruments 
and controlsOperationDrivingInstrument 
cluster displayPractical hints Car care Index Doors
1Opening – pull handle
2Unlocking driver’s door
3Locking driver’s door
Important!
The mechanical key does not operate the central locking 
system or antitheft alarm system.4Individual door from inside:
Push lock button down to lock.
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.
2
1
3
4
5
OM_203.book  Seite 37  Donnerstag, 31. Mai 2001  11:57 11 
         
        
        
     
        
        Page 41 of 406

38 Central locking system
Te ch n i c a l
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 front 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 or turn mechanical key 
in driver’s door lock to position 3. In addition lock the 
trunk.To unlock, pull inside door handles or turn mechanical 
key in driver’s door lock to position 2.
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 
starter switch or press buttonŒ or‹ on the 
electronic key.
OM_203.book  Seite 38  Donnerstag, 31. Mai 2001  11:57 11