MERCEDES-BENZ C CLASS COUPE 2002 Service Manual

38
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Central locking switch
1 Locking
2 Unlocking 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 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 door is opened
from the inside.
P54.25-2499-26

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

42
Central locking system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Pull handle (arrow) to open the trunk lid.
The trunk lid can only be opened manually if the vehicle
was previously centrally unlocked. Lower trunk lid using handle (1) and close it with hands
placed flat on trunk lid. Please remember to keep your
fingers out of the space between the lid and the vehicle.
Trunk lamp
The trunk lamp will switch off after approximately
10 minutes if the trunk lid is left open.

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

44
Antitheft alarm system
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Antitheft alarm system (optional for Canada )
1 Indicator lamp in switch located in center console The antitheft alarm is automatically armed or disarmed
with the remote control by locking or unlocking the
vehicle.
The antitheft alarm is armed within approximately
10 seconds after locking the vehicle.
A blinking lamp (1) indicates that the alarm is armed.
P54.25-2500-26

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.

46
Tow-away alarm
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Tow-away alarm (optional for Canada)
The switch is located in the center console. 1 Press to switch off tow-away alarm
2 Indicator lamp
Once the alarm system has been armed, the exterior
vehicle lamps will flash and an alarm will sound when
someone 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
vehicle is immediately lowered. To cancel the alarm,
insert the electronic key in the starter switch or press
button
Œ or‹ on the electronic key.
If the alarm stays on for more than 20 seconds, an
emergency call is initiated au tomatically. See Tele Aid
on page 228.
To pr even t tr igger in g t he tow-away alarm feature, switch
off the tow-away alarm before towing the vehicle, or
when parking on a surface subject to movement, such
as a ferry or auto train.
To do so, turn electronic key in starter switch to
position 0 or 1, or remove electronic key from starter
switch. Press tow-away alarm switch (1). The indicator
lamp (2) illuminates briefly.
Exit vehicle, and lock vehicle with the electronic key.
The tow-away alarm remains switched off until the
vehicle is locked again with the electronic key, at which
time it is automatically reactivated.

47
Easy-entry/exit feature
Te ch n i c a l
data
Instruments
and controls Operation
DrivingInstrument
cluster display Practical hints Car care Index
Easy-entry / exit feature
(only vehicles with memory function)
With the easy-entry/exit feature activated the steering
wheel tilts upwards and the driver’s seat moves
rearwards, when removing the electronic key from the
starter switch or when opening the driver’s door and the
electronic key in starter switch position 0 or 1.
This allows easier entry into and exit from the vehicle
when the driver’s door is opened.
The easy-entry /exit feature can be switched on or off in
the individual setting menu “CONVENIENCE” –
“EASY-ENTRY FEATURE ACTIVATE”, see page 134.
When the electronic key is inserted in the starter switch
and the driver’s door is closed, the steering wheel and
the driver’s seat return to the last position set for it.
Wa r n i n g !
You must ensure that no one can become trapped
or injured by the moving steering wheel when the
easy-entry / exit feature is activated and the
driver’s door is being opened or the electronic key
removed from the starter switch. 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.