Ata (Anti-Theft Alarm System) - Mercedes-Benz B-Class Operator's Manual

To activate with the SmartKey: remove the
X
SmartKey from the ignition lock.
To activate with KEYLESS-GO start-func-
X
tion or KEYLESS-GO: switch the ignition off
and open the driver's door.
To deactivate: switch on the ignition.
X
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Anyone
can start the engine if a valid SmartKey has been
left inside the vehicle.
i
The immobilizer is always deactivated when
you start the engine.
In the event that the engine cannot be started
(yet the vehicle's battery is charged), the sys-
tem 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 or
X
KEYLESS-GO.
Indicator lamp : flashes. The alarm system
is armed after approximately 15 seconds.
To disarm: unlock the vehicle with the Smart-
X
Key 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
Protection against theft
To turn the alarm off with the SmartKey:
X
press the % or & button on the Smart-
Key.
The alarm is stopped.
or
Vehicles with KEYLESS-GO start-function
X
or KEYLESS-GO: remove the Start/Stop but-
ton from the ignition lock (
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 SmartKey
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 vehi-
cle.
The alarm is stopped.
The alarm is not switched off, even if you close
the open door that triggered it, for example.
63
page 114).
Y
Z