Mercedes-Benz M-Class 2006 Owners Manual - Manual (Page 101)

100
Safety and Security
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
̈ Remove the SmartKey from the starter
switch.
With KEYLESS-GO*
̈ Press the start/stop button on the
starter switch once.
The engine is turned off.
̈ Open the driver’s door.
Deactivating
With the SmartKey
̈ Turn the SmartKey in the starter switch
to position 2 (
୴ page 34).
With KEYLESS-GO*
̈ Switch on the ignition ( ୴ page 34).
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 tailgate
ț the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
The alarm system will also be triggered
when someone attempts to raise the vehi-
cle, see “Tow-away alarm” (
୴ page 102).
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 Light
Truck Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).
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 280) provid-
ed Tele Aid service was subscribed to
and properly activated, and that neces-
sary cellular service and GPS coverage
are available.