2000 MERCEDES-BENZ S430 open trunk

51 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index 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.
Notes:
If the vehicle was previously locked with the remote
control or the lock button at any door handle (vehicles
with KEYLESS-GO), 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 buttonŒ or‹ on the
electronic main 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.
Wa r n i n g !
When leaving the vehicle always remove the
electronic key from the starter switch, take the
KEYLESS-GO-card (if so equipped) with you, 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.

52 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical 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. See page 138 for “Individual settings”.
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 9mph (15km/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 starter switch position 2 (vehicles with
KEYLESS-GO: operation position, see page 228), 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. See page 138
for “Individual settings”.
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).

53 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk
0Neutral position – push to open (arrow)
1Unl ock ing
2Separate locking of trunk – remove mechanical key
in this position.The lock is located in the license plate recess.
When the trunk is separately locked, it remains locked
when centrally unlocking the vehicle.
To deny any unauthorized person access to the trunk,
lock it separately with the mechanical key. Leave only
the electronic main key less its mechanical key with the
vehicle.
Notes:
In case of a malfunction in the central locking system
the trunk can be unlocked individually.
To unlock and open the trunk lid, turn mechanical key
to position 1, hold and push to open.
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.
P54.25-2404-26
0
2

54 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
To cancel the alarm, insert the electronic key in the
starter switch or press buttonŒ or‹ on the
electronic main 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.
If the fuel filler flap cannot be opened, see page 368.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.

55 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Vehicles without trunk lid opening / closing system:
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.Vehicles with trunk lid opening / closing system:
Press trunk lid button (2) briefly. The trunk lid closes
automatically.
The trunk lid can also be closed with the trunk lid
opening / closing switch located on the driver’s door, see
page 58.
P54.25-2403-26

56 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Notes:
The automatic closing process is interrupted if the
trunk lid is pushed against an object. The trunk lid will
reverse slightly and stop. In its final closing stage the
hydraulic power closing assist mechanism releases the
trunk lid which then drops into the lock by its own
weight. Now the trunk lid will stop but not reverse
slightly. Investigate and correct the cause of interruption.
Now press trunk lid button (2) again to close the trunk
lid.
In case of a malfunction the trunk lid can be opened and
closed manually.
To open, unlock trunk lid with the mechanical key and
open lid by hand, see page 53.
To close, lower trunk lid with hands placed flat on trunk
lid. Please remember to keep your fingers out of the
space between the lid and the vehicle.
Vehicles with KEYLESS-GO:
To prevent a possible inadvertent lockout, the trunk lid
will open automatically if a KEYLESS-GO-card is
recognized in the area of the rear shelf or inside the
trunk.
Wa r n i n g !
To prevent possible personal injury, always keep
hands and fingers away from the trunk opening
when closing the trunk lid. Be especially careful
when small children are around.Always be sure persons who might get injured are
away from the trunk area when you operate the
trunk closing button located on the vehicle door.To interrupt the hydraulic power closing assist
mechanism press trunk lid close button (2) inside
the trunk lid, push in trunk lid lock or press
buttonŠ on the electronic main key.

57 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid release switch
(Vehicles without trunk lid opening / closing system)
The switch is located on the driver’s door.The trunk lid will swing open automatically. You should
always make sure there is sufficient clearance.
A minimum height clearance of 6 ft. (1.85 m) is
required to open the trunk lid.
To open the trunk, the vehicle must be at standstill. Pull
up on switch until trunk lid is open.
The indicator lamp in the switch remains on with trunk
lid open.
Notes:
The trunk can also be opened by using the remote
control. Press Šbutton.
The trunk lid cannot be opened by the switch or the
remote control when previously locked separately with
the mechanical key. To open, see page 53.
The trunk lid cannot be opened with the trunk lid
release switch when the vehicle was previously locked
with the remote control. To unlock vehicle with the
remote control, see page 34.

58 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Trunk lid opening / closing system (optional)
The switch is located on the driver’s door.
The trunk lid will open and close automatically. You
should always make sure that there is sufficient
clearance.
A minimum height clearance of 6 ft. (1.85 m) is
required to open the trunk lid.
To open and close the trunk, the vehicle must be at
standstill. To o p e n t r u n k l i d :
Pull up on switch until trunk lid begins to open. The
switch can now be released, the trunk lid opens
automatically.
To interrupt the opening process, either pull up on
switch, or push in trunk lid lock, or press buttonŠ
on the remote control.
The indicator lamp in the switch remains on with trunk
lid open.
To c l o s e tr u n k l i d :
Press upper half of switch until trunk lid is closed and
the indicator lamp in the switch goes out.
Wa r n i n g !
When closing the trunk lid, be sure that there is no
danger of anyone being harmed by the closing
procedure. Be especially careful when small
children are around. Maintain sight of trunk area
while operating the door mounted switch.To interrupt the hydraulic power closing assist
mechanism release trunk lid release/close switch
and pull up to open.