Anti-Theft Systems; Immobilizer; Anti-Theft Alarm System - Mercedes-Benz 2003 C 240 4MATIC Operator's Manual

Anti-theft systems

Immobilizer

The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
Removing the key from the starter
switch activates the immobilizer.
Deactivating
Inserting the key in the starter switch
deactivates the immobilizer.
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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).

Anti-theft alarm system

Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
a door
the trunk
the hood
The alarm system will also be triggered
when
someone attempts to raise the vehicle
the vehicle is opened with the mechan-
ical key
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If the alarm stays on for more than
20 seconds, an emergency call is
initiated automatically by the Tele Aid
system* ( page 209) provided
Tele Aid service was subscribed to and
properly activated, and that necessary
cellular service and GPS coverage are
available.
Safety and Security
Anti-theft systems
Arming the alarm system
The alarm system is armed after locking
the vehicle with the remote control. The
turn signal lamps blink three times to
indicate that the alarm system is activated.
A red indicator lamp in the switch for the
tow-away alarm ( page 80) will blink after
approximately ten seconds when the alarm
system is completely armed.
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If the turn signal lamps do not blink
three times, the tow-away sensor* is
malfunctioning or one of the following
elements may not be properly closed:
a door
the trunk lid
the hood
Close the respective element and lock
the vehicle again.
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