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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 SmartKey from the
starter switch activates the
immobilizer.
Deactivating
ț Inserting the SmartKey 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
immediately closed.
The alarm system will also be triggered
when
ț someone attempts to raise the vehicle
ț opening the vehicle with the
mechanical key
Arming the alarm system
The alarm system is armed after locking
the vehicle with the SmartKey. The turn
signal lamps flash three times to indicate
that the alarm system is activated. A red
indicator lamp in the switch for the
tow-away alarm (
୴ page 79) begins to
flash after approx. ten seconds after
arming the alarm system.
i
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-MERCedes (in the
USA), or 1-800-387-0100 (in Canada).
i
If the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* (
୴ page 223) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.