Ata (Anti-Theft Alarm System) - Mercedes-Benz GLA 250 2019 Operator's Manual

Protection against theft
68
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).

ATA (anti-theft alarm system)

To arm: lock the vehicle with the SmartKey
X
or KEYLESS-GO.
Indicator lamp : flashes. The alarm system
is armed after approximately 15 seconds.
To disarm: unlock the vehicle with the
X
SmartKey or KEYLESS-GO.
or
Insert the SmartKey into the ignition lock.
X
A visual and audible alarm is triggered if the
alarm system is armed and you open:
a door
R
the vehicle with the mechanical key
R
the tailgate
R
the hood
R
To switch the alarm off with the Smart-
X
Key: press the % or & button on the
SmartKey.
The alarm is stopped.
or
Vehicles with KEYLESS-GO start-func-
X
tion or KEYLESS-GO: remove the Start/
Stop button from the ignition lock
( page 125).
Y
Insert the SmartKey into the ignition lock.
X
The alarm is stopped.
To stop the alarm using KEYLESS-GO:
X
grasp the outside door handle. The Smart-
Key must be outside the vehicle.
The alarm is stopped.
or
Press the Start/Stop button on the dash-
X
board. The SmartKey must be inside the
vehicle.
The alarm is stopped.
The alarm is not stopped, even if you close the
open door that triggered it, for example.
i
If the alarm stays on for more than
30 seconds, the Mercedes me connect
emergency call system automatically sends
a message to the Customer Center. This is
done either by text message or data con-
nection.
The emergency call system sends the mes-
sage or data provided that:
you have subscribed to the Mercedes me
R
connect service
the Mercedes me connect service has
R
been activated properly
the necessary mobile phone network is
R
available