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Safety and Security
Anti-theft systems
̄ 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 the KEYLESS-GO*: Turn off the
engine (
୴ page 346) and open the driv-
er’s door.
Deactivating
̈ Switch on the ignition (୴ page 344).
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
ț 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 the vehicle is opened with the
mechanical key
ț a door is opened from the inside
To cancel the alarm after it has been trig-
gered, see “Canceling the alarm”
(
୴ page 82).
1 Indicator lamp
̈ Arming: Lock your vehicle with the
SmartKey or KEYLESS-GO*.
The turn signal lamps flash three times
to indicate that the vehicle is locked.
The indicator lamp 1 flashes to indi-
cate that the alarm system is armed.
i
Starting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the ve-
hicle’s battery is charged), the system is not op-
erational. Contact an authorized Mercedes-Benz
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 ini-
tiated automatically by the Tele Aid system
(
୴ page 510) provided Tele Aid service was sub-
scribed to and properly activated, and that nec-
essary mobile phone, power supply and GPS
coverage are available.
୴୴