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Safety and Security
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey or SmartKey with KEYLESS-GO*
(Canada only) with you and lock the
vehicle. The engine can be started by
anyone with a valid SmartKey or SmartKey
with KEYLESS-GO* (Canada only) that is
left inside the vehicle.
Activating
̈ With the SmartKey: Remove the
SmartKey from the starter switch.
̈ With the KEYLESS-GO* (Canada
only): Turn off the engine and open the
driver’s door.
Deactivating
̈ 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
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.
ț the trunk is opened with the
emergency release button.
To cancel the alarm after it has been trig-
gered, see “Canceling the alarm”
(
୴ page 67).
1 Indicator lamp
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).
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 295) provided Tele Aid* service was
subscribed to and properly activated, and that
necessary mobile phone, power supply and GPS
coverage are available.