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Safety and Security
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
ț Remove the SmartKey from the starter
switch.
Deactivating
ț Switch on the ignition.
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 system will also be triggered
when
ț someone attempts to raise the vehicle
(
୴ page 87).
ț opening the vehicle with the
mechanical key.
Arming the alarm system
The indicator lamp is in the switch for the
tow-away alarm* in the center console.
1 Indicator lamp
i
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 system will rearm automati-
cally after approximately 40 seconds if
a door or the trunk lid is not opened.
i
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) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.