Vehicle - Mercedes-Benz M-Class Operator's Manual

Doors
80
To deactivate: press and hold button :
X
for about five seconds until a tone sounds.
To activate: press and hold button ; for
X
about five seconds until a tone sounds.
i
If you press one of the two buttons and
do not hear a tone, the relevant setting has
already been selected.
You can also switch the automatic locking
function on and off using the on-board
computer ( page 235).
Y
Unlocking the driver's door
(mechanical key)
If the vehicle can no longer be unlocked with
the SmartKey, use the mechanical key.
If you use the mechanical key to unlock and
open the driver's door, the anti-theft alarm
system will be triggered (
Take the mechanical key out of the
X
SmartKey (
Y
Insert the mechanical key into the lock of
X
the driver's door as far as it will go.
page 68).
Y
page 75).
Turn the mechanical key counterclockwise
X
to position 1.
The door is unlocked.
Turn the mechanical key back and remove
X
it.
Insert the mechanical key into the
X
SmartKey.
Locking the vehicle (mechanical key)
If the vehicle can no longer be locked with the
SmartKey, use the mechanical key.
Open the driver's door.
X
Close the front-passenger door, the rear
X
doors and the tailgate.
Press the locking button (
X
Check whether the locking knobs on the
X
front-passenger door and the rear doors
are still visible. Press down the locking
knobs by hand, if necessary.
Close the driver's door.
X
Take the mechanical key out of the
X
SmartKey ( page 75).
Y
Insert the mechanical key into the lock of
X
the driver's door as far as it will go.
Turn the mechanical key clockwise as far
X
as it will go to position 1.
Turn the mechanical key back and remove
X
it.
Make sure that the doors and the tailgate
X
are locked.
Insert the mechanical key into the
X
SmartKey.
I n f o r ma t i o n P r o v i d e d b y :
page 79).
Y