Anti-Theft Alarm System - Mercedes-Benz 2009 CLS-Class Operator's Manual

Safety and security
Anti-theft systems

Anti-theft alarm system

Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens:
a door
R
the trunk
R
the hood
R
The alarm will stay on even if the activating
element (a door, for example) is immediately
closed.
The alarm system will also be triggered when
the vehicle is opened with the mechanical
R
key
a door is opened from the inside
R
the trunk is opened with the emergency
R
release button
To cancel the alarm after it has been trig-
gered, see "Canceling the
alarm" ( Y page 70).
i If the alarm stays on for more than 30 sec-
onds, a call to the Response Center is ini-
tiated automatically by the Tele Aid system
provided that you have subscribed to the
Tele Aid service and that it has been acti-
vated properly, and that the necessary
70
mobile phone, power supply and GPS cov-
erage are available.
Indicator lamp
1
X
Arming: Lock the vehicle with the Smart-
Key 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 trunk may not be prop-
erly 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 approx-
imately 40 seconds unless you open a door
or the trunk.
Canceling the alarm
To cancel the alarm, do one of the following:
X
Insert the SmartKey in the starter switch.
X
Press the or button on the
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.