Mercedes-Benz 2012 B Class - Manual (Page 67)

ATA (anti-theft alarm system)
X To arm: lock the vehicle with the
SmartKey.
Indicator lamp : flashes. The alarm
system is armed after approximately
15 seconds.
X To disarm: unlock the vehicle with the
SmartKey.
or
X Insert the SmartKey into the ignition lock.
A visual and audible alarm is triggered if the
alarm system is armed and you open:
R
the vehicle with the mechanical key
R
a door
R
the tailgate
R
the hood
X To stop the alarm: insert the SmartKey
into the ignition lock.
The alarm is switched off.
or
X Press the % or & button on the
SmartKey.
The alarm is switched off.
The alarm is not switched off, even if you
close the open door that triggered it, for
example.
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.
Theft deterrent locking system
65
Safety
Z