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.

    See also:

    Tire tread
    WARNING Although the applicable federal motor vehicle safety laws consider a tire to be worn when the tread wear indicators (TWI) become visible at approximately 1/16 in (1.6 mm), we recomm ...

    MB Info call button
    MB Info call button Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info ca ...

    Switching on DISTRONIC PLUS, storing the current speed and maintaining it
    Important safety notes WARNING The vehicle can be braked when DISTRONIC PLUS is activated. For this reason, deactivate DISTRONIC PLUS if the vehicle is to be set in motion by other means ( ...