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Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. The
engine can be started by anyone with a valid
SmartKey that is left inside the vehicle.
Activating
X
With SmartKey: Remove the SmartKey
from the starter switch.
X
With KEYLESS-GO: Turn off the engine and
open the driver’s door.
Deactivating
X
Switch on the ignition.
i
Starting the engine will also deactivate
the immobilizer.
In the event that 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).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens
R
a door
R
the trunk
R
the hood
The alarm will stay on even if the activating
element, a door, for example, is closed
immediately.
The alarm system will also be triggered when
R
the vehicle is opened with the mechanical
key
R
a door is opened from the inside
To cancel the alarm after it has been
triggered, see “Canceling the alarm”
(Y page 66).
i If the alarm stays on for more than
30 seconds, the Tele Aid system initiates a
call to the Customer Assistance Center
automatically. The Tele Aid system will
initiate the call provided that
R
you have subscribed to the Tele Aid
service
R
the Tele Aid service has been activated
properly
R
the necessary mobile phone, power
supply and GPS coverage are available
X
Arming: Lock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash three times and
an acoustic warning sounds three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
i
If the turn signal lamps do not flash three
times and the acoustic warning does not
sound three times, a door or the trunk may
not be properly closed.
Close the respective element.
X
Disarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash once and an
acoustic warning sounds once to indicate
that the alarm system is disarmed.
Anti-theft systems
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Safety and security
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