cluster MERCEDES-BENZ SL-Class 2001 R129 Owner's Guide

33 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Start lock-out
Important!
Removing the key from the steering lock activates the
start lock-out. The engine cannot be started.
Turning the key in the steering lock to position 2
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is
in order), and Á and î are shown in the
odometer display field, the system is not operational.
Contact an authorized Mercedes-Benz Center or call
1-800-FOR-MERCedes (in the USA), or 1-800-387-0100
(in Canada).General notes on the central locking system
If the key in the steering lock is in position 2, the
vehicle cannot be locked or unlocked with the remote
control.
If the vehicle cannot be locked or unlocked:
• Aim transmitter eye at a receiver of either door
handle and press button‹ orŒ.
• Check the batteries of the remote control,
see page 252.
• Synchronize the remote control,
see page 253.

34 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Doors
1Opening – pull handle
2Unl ock ing
3Locking
4Individual door from inside:
• Push lock button down to lock.
• Pull inside door handle to unlock.The entire vehicle may be locked or unlocked by either
using the master key in driver’s door or trunk locks, or
central locking switch located in center console. The
master key also locks or unlocks the storage
compartment in the armrest, and the fuel filler flap.
Note:
If the fuel filler flap cannot be opened, see page 260.

35 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index When you lock the vehicle, both door lock buttons
should move down. If any one stays up, the respective
door is not properly closed.
You should then unlock the vehicle, open and reclose
this door, and lock the vehicle again. Each individual
door can be locked with door lock button – the driver’s
door can only be locked when it is closed.
If the vehicle has previously been locked from the
outside, only the door being opened from the inside will
unlock, and the alarm will come on. The other door, the
trunk, the interior storage compartments, and fuel filler
flap remain locked.Notes:
In case of a malfunction in the central locking system
the doors can be locked and unlocked individually.
To lock, turn key in driver’s door lock to position 3 or
push down lock buttons.
To unlock, turn key in driver’s door lock to position 2 or
pull inside door handles.

36 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Central locking switch
1Locking
2Unl ock ing
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.Notes:
If the vehicle was previously locked with the remote
control or key, the doors and trunk cannot be unlocked
with the central locking switch.
Opening a door with the inside door handle will cause
the alarm to come on. To switch the alarm off,
pressΠbutton or insert key in steering lock and
turn it to position 1.
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.
Note:
The storage compartment in the armrest as well as the
fuel filler flap cannot be locked or unlocked with the
central locking switch.
12
P54.25-0314-26

37 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Automatic central locking
The central locking switch also operates the automatic
central locking.
With the automatic central locking system activated, the
doors and trunk are locked at vehicle speeds of approx.
9 mph (15 km/h) or more. The fuel filler flap remains
unlocked.
To a ctiva te:
With key in steering lock position 2 hold upper portion
of switch (1) for a minimum of 5 seconds.
To deactivate:
With key in steering lock position 2 hold lower portion
of switch (2) for a minimum of 5 seconds.
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 approx. 9 mph (15 km/h) or
more.If a door is opened from the inside at speeds of approx.
9 mph (15 km/h) or less with the automatic central
locking activated, the door will again be automatically
locked at speeds of approx. 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
key in steering lock position 2, the vehicle doors will
lock if the left front wheel as well as the right rear
wheel spin are turning at vehicle speeds of approx.
9mph (15km/h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking.
Emergency unlocking in case of accident
The doors unlock automatically a short time after a
strong deceleration is detected, such as in a collision
(this is intended to aid rescue and exit). Driving on
rough roads may cause the vehicle to unlock. If
necessary, the vehicle can be locked again with the
interior central locking switch.

38 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
2Locking (detent)
3Separate locking of trunk – remove key in this
position.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.
Notes:
In case of a malfunction in the central locking system
the trunk can be locked and unlocked individually.
To lock, turn key to position 2 or 3.
To unlock and open the trunk lid, turn key to position 1,
hold and push to open.
If the fuel filler flap cannot be opened, see page 260.
Important!
Do not place key inside trunk, since trunk is locked
again when closing the lid.
Lower trunk lid using handle and close it with hands
placed flat on edges of trunk.

39 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Trunk lid release switch
1Indicator lamp in switch located in center console
To release the trunk lid, the vehicle must be at standstill
and unlocked with the remote control. Press symbol
side of switch until trunk lid is released.
The indicator lamp (1) in the switch remains on with
trunk lid released.Notes:
With vehicle centrally locked, the trunk can also be
released by using the remote control. PressŠbutton
one second.
The trunk lid cannot be released by the switch when
previously locked separately with the key. To open,
see page 38.
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 29.
1

40 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Trunk lid emergency release
The emergency release button (1) is located in the
center of the inside trunck rear wall.
Briefly press emergency release button (1).
All doors, the fuel filler flap, and the trunk unlock; and
the trunk lid opens.Note:
The emergency release button (1) only unlocks and
opens the trunk while the vehicle is standing.
Important!
The emergency trunk lid release button (1) does not
open the trunk lid, if:
• the vehicle battery is discharged or disconnected,
• the trunk lid was previously locked separately with
the mechanical key, see page 38.
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.
1

41 Central locking system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Power w indows
1Opening
2Interrupting
3Closing
When locking doors or trunk, turn key in door lock or
trunk lock to position 3 and hold. The windows begin to
close automatically after approximately 1 second.
To interrupt the closing procedure, turn key to
position 2.Wh en unlocking d oors or tru nk, turn key in door l ock or
trunk lock to position 1 and hold. The windows begin to
open automatically after approximately 1 second.
To interrupt the opening procedure, turn key to
position 2.
Note:
If the opening/closing procedure is interrupted, it can
only be continued by first turning the key to the
interrupting position (2) and then again to the opening/
closing position (1 or 3) and hold.
Wa r n i n g !
Never operate the windows if there is the
possibility of anyone being harmed by the
procedure.In case the procedure causes potential danger, the
procedure can be immediately reversed by turning
the key to the reversed operational direction within
10 seconds:
• for opening position (1),
• for closing position (3).

42 Antitheft alarm system
Te ch n ica l
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Antitheft alarm system
1Indicator lamp in switch located in center console
The antitheft alarm is automatically armed or disarmed
with the remote control or any of your vehicle’s keys 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.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,
• opens the storage compartment between the front
seats,
• 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, for
example, an opened door is immediately closed again. If
the alarm stays on for more than 20 seconds, an
emergency call is initiated automatically. See Tele Aid
on page 156.
The antitheft alarm system is switched off automatically
if the vehicle is unlocked with the electronic main key.