Mercedes-Benz R-Class Owner's Manual page 66

Anti-theft systems
Immobiliser
The immobiliser prevents your vehicle from
being started without the correct key.
Activating the immobiliser
With the key: remove the key from the
X
ignition lock.
With KEYLESS GO*: press the KEYLESS
X
GO button on the dashboard.
The engine switches off.
Deactivating the immobiliser
With the key: turn the key to position 2 in
X
the ignition lock.
With KEYLESS GO*: press the KEYLESS
X
GO button on the dashboard twice without
depressing the brake.
i
The immobiliser is always deactivated
when you start the engine.
* optional
ATA* (anti-theft alarm system)
A visual and audible alarm is triggered when
the alarm system is primed and you open:
a door
R
a door using the emergency key element
R
the tailgate
R
the bonnet
R
The alarm is not switched off even if you close
an open door again.
Indicator lamp
1
Anti-theft systems
To prime: lock the vehicle using the key.
X
On vehicles with KEYLESS GO*, the locking
button on the door handle can also be used.
Indicator lamp 1 flashes. The alarm sys-
tem is primed after approximately 10 sec-
onds.
To deactivate: unlock the vehicle using the
X
key. On vehicles with KEYLESS GO*, you
can also unlock the vehicle by grasping the
door handle.
Switching off the alarm
With the key: insert the key into the igni-
X
tion lock.
The alarm is switched off.
or
Press the Œ or ‹ button on the key.
X
The alarm is switched off.
With KEYLESS GO*: grasp the door han-
X
dle. The key must be outside the vehicle.
The alarm is switched off.
or
Press the KEYLESS GO* button on the
X
dashboard. The key must be inside the
vehicle.
The alarm is switched off.
Safety
Z
63