Mercedes-Benz GL-Class: ATA (Anti-Theft Alarm system) - Theft deterrent locking systems - Safety - Mercedes-Benz GL-Class Owner's ManualMercedes-Benz GL-Class: ATA (Anti-Theft Alarm system)

A visual and audible alarm is triggered if the alarm system is armed and you open:

a door
the vehicle with the mechanical key
the tailgate
the hood

The alarm is not switched off, even if you close the open door that has triggered it, for example.

seconds, the emergency call system If the alarm stays on for more than 30 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 AID service.
the mbrace/TELE AID service has been activated properly.
the required mobile phone, power supply and GPS are available.

► To arm: lock the vehicle with the

To arm: lock the vehicle with the SmartKey or KEYLESS-GO.

Indicator lamp 1 flashes. The alarm system is armed after approximately 10 seconds.

To deactivate: unlock the vehicle with the SmartKey or KEYLESS-GO.

X To stop the alarm using the SmartKey:

insert the SmartKey into the ignition lock.

The alarm is switched off.
or
Press the SmartKey. button on the SmartKey.

The alarm is switched off.

To stop the alarm using KEYLESS-GO:

grasp the outside door handle. The SmartKey must be outside the vehicle.

The alarm is switched off.

or
Press the Start/Stop button on the dashboard. The SmartKey must be inside the vehicle.

The alarm is switched off.

    Immobilizer
    The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be started ...

    See also:

    Changing gear
    The automatic transmission shifts to the individual gears automatically when it is in transmission position D. This automatic gearshifting behavior is determined by: • a shift range restrictio ...

    Voice Recognition
    The navigation system's voice recognition allows for hands-free operation of the navigation system, audio system, and OnStar (if equipped) features. Voice recognition can be used when the igniti ...

    Brake assist
    When the force applied to the brake pedal exceeds a certain level, the Brake Assist is activated generating greater braking force than a conventional brake booster even with light pedal force. ...