Mercedes-Benz 2011 GL-Class Operator's Manual page 72

Anti-theft systems
70
The alarm is not switched off, even if you
close the open door that has triggered it, for
example.
If the alarm stays on for more than 30
i
seconds, the emergency call system
mbrace (USA only) or Tele Aid (Canada
only) initiates a call to the Customer
Assistance Center automatically. The
emergency call system initiates the call
provided that:
you have subscribed to the mbrace/Tele
R
Aid service
the mbrace/Tele Aid service has been
R
activated properly
the mobile phone, power supply and GPS
R
necessary are available
X
To arm: lock the vehicle with the SmartKey
or KEYLESS-GO.
The turn signal lamps flash 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, a door or the tailgate may not be
properly closed.
It may be necessary to close the affected
door or the tailgate.
X
To deactivate: unlock the vehicle using the
key or KEYLESS-GO.
The turn signal lamps flash once to indicate
that the anti-theft alarm system is switched
off.
Unless you open a door or the trunk lid
i
within 40 seconds after unlocking the
vehicle:
the vehicle will be locked again.
R
the anti-theft alarm system will be re-
R
armed.
X
To stop the alarm using the SmartKey:
insert the key into the ignition lock.
The alarm is switched off.
or
X
Press the % or & button on the key.
The alarm is switched off.
X
To stop the alarm using KEYLESS-GO:
grasp the outside door handle. The key
must be outside the vehicle.
The alarm is switched off.
or
X
Press the Start/Stop button on the
dashboard. The key must be inside the
vehicle.
The alarm is switched off.