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Safety and Security
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 37).
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/telephone* 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).
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The alarm will stay on, even if the activating
element (e.g. a door) is immediately 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 261), provided Tele Aid* service was
subscribed to and properly activated, and that
necessary cellular service and GPS coverage are
available (
୴ page 261).