Anti-theft systems:immobilizer, Anti-theft systems:anti-theft alarm system, Anti-theft systems – Mercedes-Benz SL-Class 2007 Owners Manual User Manual
Page 97: Immobilizer anti-theft alarm system

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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 gear
selector lever 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 (
With KEYLESS-GO*
̈
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
ț
a storage compartment in the rear
ț
the glove box
ț
the storage compartment under the
armrest
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.
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).