2002 MERCEDES-BENZ CL500 Page 369

32 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
General notes on the central locking system
If the electronic key is inserted in the starter switch, the
vehicle cannot be locked or unlocked with the remote
control or a KEYLESS-GO-card.
If the vehicle cannot be locked or unlocked:
•Aim transmitter eye at a receiver on either door
handle. Check the batteries of the electronic key, see
page 369, or synchronize the remote control,
seepage371.
•Vehicles with KEYLESS-GO only:
A KEYLESS-GO-card must be recognized by the
system as being outside the vehicle to enable the
vehicle to be locked or unlocked (maximum distance
between card and doors or trunk is approximately
3 ft. (1 m). Check the location of the KEYLESS-GO-
card, see page 37. Check the batteries of the
KEYLESS-GO-card, see page 372. The trunk lid will
ope n automatically if a KEYLESS -GO c ar d is detected
in the trunk, see page 38.Note:
If neither the remote control nor KEYLESS-GO system
functions, use the mechanical key to unlock or lock the
vehicle. To start engine, insert the electronic key in the
starter switch. There could be a slight delay until the
electronic key can be turned in the starter switch.
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 starter switch,
•press buttonŒ or‹ on the electronic key or
•vehicles with KEYLESS-GO:
when carrying the KEYLESS-GO-card, grasp the
door handle or press the start-/stop button on the
gear selector lever.
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33 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 369 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 and switching on the driver’s seat ventilation 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 buttonŒ or‹, seepage44.
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
ŒUnlocking
ŠOpening trunk (if not separately locked)
2Lamp for battery check (see page 369 for changing
batteries if it does not light up briefly)
3PANIC button
4Transmitter eye
5Locking tab for mechanical key
P80.35-2032-26
24
3
5
1
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35 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 buttonŒ. 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 buttonŒ once to unlock driver’s door
and fuel filler flap.
Press transmit buttonΠtwice to unlock both doors,
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit buttonΠonce to unlock both doors,
fuel filler flap, and trunk.
Notes:
If the trunk was previously locked separately, it will
remain locked, see page 52.
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 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 369 and 371.
J_OM_215.book Seite 35 Mittwoch, 30. Mai 2001 2:01 14

45 Central locking system
Te ch n i c a l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Note:
If the windows and sliding/pop-up roof cannot be
operated automatically by pressing the transmit button
of t he r emote con trol t hen it may b e ne ces sary 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 369 and 371.
Convenience feature
(Operation with KEYLESS-GO)
Continue to press lock button on door handle after
locking the vehicle.
The windows and sliding/pop-up roof begin to close
after approximately 1 second.
To interrupt closing procedure, release lock button. To
reverse direction (within 2 seconds after closing), pull
and hold door handle. Opening of windows starts and
continues for as long as the door handle is held but the
door not opened.
Ensure that all side windows and the sliding/pop-up
roof are properly closed before leaving the vehicle.
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 closing procedure.In case the procedure causes potential danger, the
procedure can be immediately halted by releasing
the lock button. To reverse direction of movement
pull and hold outside door handle.
J_OM_215.book Seite 45 Mittwoch, 30. Mai 2001 2:01 14