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Safety and Security
Anti-theft systems
̄ Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
̈ Remove the SmartKey from the starter
switch.
Deactivating
̈ Switch on the ignition (୴ page 36).
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
ț the glove box
ț the storage compartment in the center
console
The alarm system will also be triggered
when
ț someone attempts to raise the vehicle
ț opening the vehicle with the
mechanical key
ț someone opens a door from the inside
ț someone opens the trunk lid with the
emergency release button
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Starting the engine will also deactivate
the immobilizer.
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
The alarm will stay on, even if the acti-
vating element (e.g. a door) is immedi-
ately closed.
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If the alarm stays on for more than
30 seconds, a call to the Response
Center is initiated automatically by the
Tele Aid system (
୴ page 273), provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available (
୴ page 273).