Mercedes Benz 2003 sl 500 User Manual

Page of 376
75
Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized 
persons from starting your vehicle.
Activating
With the key: Removing the key from 
the starter switch activates the immo-
bilizer.
With KEYLESS-GO*: Turning off the en-
gine by means of the start/stop button 
on the gear selector lever activates the 
immobilizer. 
Deactivating
With the key: Inserting the key in the 
starter switch deactivates the immobi-
lizer.
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 opens 
a door
the trunk lid
the hood
a storage compartment in the rear
the glove box
the storage space under the armrest
The alarm system will also be triggered 
when 
someone attempts to raise the vehicle
unlocking and opening the driver’s 
door with the mechanical key
i
If the alarm stays on for more than 
20 seconds, an emergency call is initi-
ated automatically by the Tele Aid sys-
tem (
page 202) provided Tele Aid 
service was subscribed to and properly 
activated.