Switching COMAND on/off

the Press the the function button on the center console.

the current audio or video source will also If you switch off COMAND, playback of the current audio or video source will also be switched off. You cannot switch off COMAND while making a call via COMAND.
You can also make phone calls using the buttons on the multifunction steering wheel when COMAND is switched off.

    See also:

    Mercedes-Benz M-Class Owners Manual
    ...

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