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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 With the SmartKey: Removing the
SmartKey from the starter switch acti-
vates the immobilizer.
ț With KEYLESS-GO*: Turning off the en-
gine by means of the start/stop button
on the gear selector lever activates the
immobilizer.
Deactivating
ț With the SmartKey: Inserting the
SmartKey in the starter switch deacti-
vates the immobilizer.
ț With KEYLESS-GO*: Starting the en-
gine by means of the start/stop button
on the gear selector lever deactivates
the immobilizer.
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone:
ț opens a door
ț opens the trunk
ț opens 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
mechanical key
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).