Call disconnection while the vehicle is in motion

Mercedes-Benz S-Class / Mercedes-Benz S-Class Owners Manual / COMAND / Telephone / General notes / 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:

    Problems with the windshield wipers
    The windshield wipers are obstructed Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. For safety reasons, you should remove t ...

    Adjusting the exterior mirrors
    WARNING Exercise care when using the passenger-side exterior rear view mirror. The mirror surface is convex (outwardly curved surface for a wider field of view). Objects in mirror are close ...

    Underinflated or overinflated tires
    Underinflated tires WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel ...