Call disconnection while the vehicle is in motion

A call may be disconnected if:
• there is insufficient network coverage in certain areas.
• you move from one transmitter/receiver area (cell) into another and no channels are free.
• you use a SIM card which is not compatible with the network available.
• you are using a mobile phone with "Twincard" and the mobile phone with the second SIM card is already logged into the network.

    See also:

    PRE-SAFE® (preventative occupant protection)
    WARNING The PRE-SAFE® system reduces the impact of an accident on vehicle occupants, as long as their seat belts have been fastened correctly. Although your vehicle is equipped with a PRESAF ...

    Deactivating
    Press and hold the closing button () in the tailgate until you hear two short tones. ...

    Display settings
    Select Vehicle by turning the COMAND controller and press to confirm. Select Display OFF by turning the COMAND controller and press to confirm. To switch on the display: press ...