Restoring the factory settings

and Press the buttons simultaneously for and approximately six seconds until the battery check lamp flashes twice. buttons simultaneously for approximately six seconds until the battery check lamp flashes twice.

    See also:

    Adjusting the head restraints manually
    Adjusting the head restraint height The head restraints must only be removed at a qualified specialist workshop. Mercedes-Benz recommends that you use a Mercedes-Benz Center for this purpose. ...

    Installing the ball coupling
    WARNING If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident. Therefore, make sure that the ball coupling is secured with th ...

    Activating/deactivating ATTENTION ASSIST
    Press the or button on the steering wheel to select the DriveAssist menu. Press the or button to select Attention Asst.. Press . The current selection is displayed. To activate/ ...