Mercedes-Benz 2009 R-Class Operator's Manual page 83

Indicator lamp
1
X
Arming: Lock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp flashes to indicate that the alarm
1
system is armed.
i If the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
Close the respective element and lock the
vehicle again.
X
Disarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash once to indicate
that the alarm system is disarmed.
i The vehicle will lock and the alarm system
will rearm automatically again after
approximately 40 seconds unless you open
a door or the tailgate.
Canceling the alarm
To cancel the alarm, do one of the following:
X
Insert the SmartKey in the starter switch.
X
Press button or
k j
SmartKey.
In vehicles with KEYLESS-GO:
X
Grasp an outside door handle.
The SmartKey must be within 3 ft (1 m) of
the vehicle.
X
Press the KEYLESS-GO start/stop button.
The SmartKey must be inside the vehicle.
on the
Safety and security
Anti-theft systems
81
Z