Mercedes-Benz R-Class Owner's Manual page 67

Safety
Anti-theft systems
Tow-away protection*
An audible and visual alarm is triggered if the
vehicle's angle of inclination is altered while
tow-away protection is primed. This occurs if
the vehicle is jacked up on one side, for exam-
ple.
Priming tow-away protection
Make sure that all the doors and the tail-
X
gate are closed.
Lock the vehicle with the key or, on vehicles
X
with KEYLESS GO*, also using the locking
button on the door handle.
Tow-away protection is primed after
approx. 30 seconds.
Deactivating tow-away protection
Deactivate tow-away protection manually to
prevent a false alarm if your vehicle:
it is being transported
R
it is being loaded, e.g. onto a ferry or car
R
transporter
is being parked on a movable surface, e.g.
R
split-level garages
It is possible to switch off tow-away protec-
tion on the on-board computer for the next
64
time the vehicle is locked ( page 136). Tow-
Y
away protection remains deactivated until
you unlock and lock the vehicle again.
If you select Tow-away protection in the
"Display with ignition switched off" function
contained in the Vehicle submenu,
( page 133) the following message appears
Y
in the multi-function display after switching
off the ignition:
Press -.
X
The Tow-away protection off message
appears in the multi-function display.
i
If you press +, tow-away protection
will remain primed.
Lock the vehicle with the key or, on vehicles
X
with KEYLESS GO*, with the locking button
on the door handle.
Tow-away protection remains deactivated
until:
the vehicle is unlocked again
R
a door is opened and closed again
R
the vehicle is locked again
R
Interior motion sensor*
If the interior motion sensor is primed, a vis-
ual and audible alarm is deployed if move-
ment is detected in the vehicle interior while
the vehicle is locked. This occurs, for exam-
ple, if someone breaks the side windows of
your vehicle or reaches into the vehicle's inte-
rior.
Priming the interior motion sensor
Make sure that:
X
the side windows are closed
R
the hinged side windows* are closed
R
R the sliding/tilting sunroof* is closed
* optional