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:

    Making adjustments in 5 mph (Canada: 10 km/h) increments
    •► Briefly press the cruise control lever beyond the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...

    Problems with the SmartKey
    Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. ...

    Lights
    Switching the daytime running lamps on/off This function is not available in Canada. If you have activated the Daytime Running Lights function and the light switch is in the position, the dayti ...