Panic alarm

To activate: press

button 1 for at least one second. To activate: press button 1 for at least one second. button 1 for at least one second.
An alarm sounds and the exterior lighting flashes.
button 1 again. To deactivate: press button 1 again. button 1 again.

or

or Insert the SmartKey into the ignition lock.

or

The KEYLESS-GO key must be in the Press the KEYLESS-GO Start/Stop button.

The KEYLESS-GO key must be in the vehicle.

USA only:
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
1. This device may not cause harmful interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.
Any unauthorized modification to this device could void the user's authority to operate the equipment.
The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

Canada only:
This device complies with RSS-Gen of Industry Canada. Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. this device must accept any interference received, including interference that may cause undesired operation.
Any unauthorized modification to this device could void the user's authority to operate the equipment.
The product label with FCC ID and IC certification number can be found in the battery case of the SmartKey.

    See also:

    Before changing a fuse
      Park the vehicle and apply the parking brake.   Switch off all electrical consumers.   Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...

    Adaptive Highbeam Assist
    You can use this function to set the headlamps to change between low beam and high beam automatically. The system recognizes vehicles with their lights on, either approaching from the opposite ...

    Cleaning the headliner and carpets
    Roof lining: use soft brushes or dry shampoo if it is particularly dirty. Carpets: use carpet and textile cleaners that have been approved and recommended by Mercedes-Benz. ...