Mercedes-Benz M-Class Owner's Manual page 76

signal can be activated and deactivated using
the on-board computer (
To unlock centrally: press the % but-
X
ton.
If you do not open the vehicle within approx-
imately 40 seconds of unlocking:
the vehicle is locked again.
R
the anti-theft system is primed again.
R
To lock centrally: press the & button.
X
KEYLESS-GO
You can start, lock or unlock the vehicle using
KEYLESS-GO. To do this, you only need carry
the key with you. When you touch the surface
of the sensors on the vehicle's outside door
handles, KEYLESS-GO establishes a radio
connection between the vehicle and the key.
When the engine is started and whilst you are
driving, KEYLESS-GO also checks whether a
valid key is in the vehicle by periodically
establishing radio contact.
When locking or unlocking with KEYLESS-GO,
the distance between the key and the door
handle you wish to lock or unlock must not
be greater than 1 m.
To unlock the vehicle: touch the inner
X
surface of the door handle.
To lock the vehicle: touch sensor sur-
X
face :.
Convenience closing feature: touch
X
recessed sensor surface ; for an exten-
ded period ( page 85).
Y
page 249).
Y
If you pull on the handle of the tailgate, only
the luggage compartment of the vehicle is
unlocked.
Changing the settings of the locking
system
You can change the setting of the locking
system in such a way that only the driver's
door and the fuel filler flap are unlocked. This
is useful if you frequently travel on your own.
To change the setting: press and hold
X
down the % and & buttons simulta-
neously for approximately six seconds until
the battery check lamp (
flashes twice.
i
If the setting of the locking system is
changed within the signal range of the vehi-
cle, pressing the & or % button locks
or unlocks the vehicle.
The key now functions as follows:
To unlock the driver's door: press the
X
% button once.
To unlock centrally: press the % but-
X
ton twice.
To lock centrally: press the & button.
X
The KEYLESS-GO function is changed as fol-
lows:
To unlock the driver's door: touch the
X
inner surface of the door handle on the
driver's door.
To unlock centrally: touch the inner sur-
X
face of the door handle on the front-
passenger door or the rear door.
To lock centrally: touch the outer sensor
X
surface on one of the door handles.
Restoring the factory settings
Press the % and & buttons simulta-
X
neously for approximately six seconds until
the battery check lamp flashes twice.
Key
73
page 74)
Y
Z