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Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
ț Removing the key from the starter
switch activates the immobilizer.
Deactivating
ț Inserting the key in the starter switch
deactivates the immobilizer.
Anti-theft alarm system*
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
ț a door
ț the trunk lid
ț the hood.
The alarm will stay on even if the activating
element (a door, for example) is immedi-
ately closed.
The alarm system will also be triggered
when
ț someone attempts to raise the vehicle
ț the vehicle is opened with the mechan-
ical key.
Arming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey. The turn
signal lamps blink three times to indicate
that the alarm system is activated. The in-
dicator lamp in the switch for the tow-away
alarm will blink after approximately 10 sec-
onds when the alarm system is completely
armed (
୴ page 80).
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In case the engine cannot be started
(yet the vehicle’s battery is charged),
the system is not operational. Contact
an authorized Mercedes-Benz Center
or call 1-800-FOR-MER-Cedes (in the
USA), or 1-800-387-0100 (in Canada).
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If the alarm stays on for more than
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem* provided Tele Aid service was
subscribed to and properly activated,
and that necessary cellular service and
GPS coverage are available.
i
If the turn signal lamps do not blink
three times one of the following ele-
ments may not be properly closed:
ț a door
ț the trunk lid
ț the hood
Close the respective element and lock
the vehicle again.