Mercedes-Benz E-Class: ATA (Anti-Theft Alarm system) - Theft deterrent locking systems - Safety - Mercedes-Benz E-Class Owners ManualMercedes-Benz E-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 trunk lid/tailgate
- the hood

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

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 SmartKey

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

Indicator lamp 1 flashes. The alarm system is armed after approximately 15 seconds.

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

•► To stop the alarm using the SmartKey: insert the SmartKey into the ignition lock.

The alarm is switched off.
or
•► Press the button on the or 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 starte ...

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