Mercedes-Benz 2001 ML 55 AMG - Manual (Page 35)

32 Central locking system
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
Central locking switch
1 Locking
2 Unlocking
The central locking switch is located on the center
console.
The doors and trunk can only be locked with the central
locking switch, if the front doors are closed.
If the vehicle was previously locked with the remote
control, the doors and liftgate cannot be unlocked with
the central locking switch.
Automatic central locking
The central locking switch also operates the automatic
central locking.
With the automatic central locking system activated and
the engine running, the doors and trunk are locked at
vehicle speeds of approximately 9 mph (15 km/ h) or
more.
To activate:
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.