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:

    Locking the trunk separately
    You can lock the trunk separately. If you then unlock the vehicle centrally, the trunk remains locked and cannot be opened. Close the trunk lid. Take the mechanical key out of the SmartKey. ...

    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 ...

    Override feature for the rear side windows
    WARNING When children ride on the vehicle's rear seats, activate the override switch. Otherwise, the children could be injured, e.g. by trapping themselves in the rear side window. To act ...