2002 MERCEDES-BENZ C CLASS COUPE Start

33
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical 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 Œonce to unlock driver’s door
and fuel filler flap.
Press transmit button Πtwice to unlock all doors,
fuel filler flap, and trunk.
Global unlocking mode –
Press transmit button Œonce to unlock all doors,
fuel filler flap, and trunk.
Notes:
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 351 and 353.
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.

35
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical 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
to 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 354.
P80.35-2034-26

37
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical 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 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.
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 button
Œ or‹ on the
electronic key.

39
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
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 starter switch or press button
Œ or‹ on the
electronic key.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the starter switch, 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.

40
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
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.
The automatic central locking function can be switched
on or off in the individual setting menu “VEHICLE” –
“AUTOMATIC DOOR LOCK”, see page 121.
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. If a door is opened from the inside, the complete vehicle
is unlocked, if the vehicle was previously centrally
unlocked using the remote control.
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 starter switch 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.
Emergency unlocking in case of accident
The doors unlock automatically a short time after an
accident in which an airbag or emergency tensioning
retractor deploys (this is intended to aid rescue and
exit).

41
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Trunk
The lock is located next to the recessed handle.
Notes:
In case of a malfunction in the central locking system
the trunk can be unlocked individually.
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
starter switch or press button
Œ or‹ on the
electronic key.
If the fuel filler flap cannot be opened, see page 354. 0
Neutral position
1 Unlocking – turn mechanical key to position 1, hold
and pull handle to open
Important!
Do not place mechanical key inside trunk, since trunk is
locked again when closing the lid if the vehicle has been
previously centrally locked.
P88.50-2273-26

43
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Trunk lid emergency release
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.
Important!
The emergency 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.
Note:
When pressing the emergency release button (1) and
the vehicle was centrally locked, the exterior lamps will
flash and the alarm will sound.
To cancel the alarm, insert the electronic key in the
starter switch or press button
Œ or‹ on the
electronic key.
P80.20-2301-26

45
Antitheft alarm system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
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 228. 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
starter switch or press button
Œ or‹ on the
electronic key.