Activation conditions

You can activate the HOLD function if:
• the vehicle is stationary.
• the driver's door is closed or your seat belt is fastened.
• the electric parking brake is released.
• the hood is closed.
• the transmission is in position R, N or D.
The trunk lid must be closed in position R.
• DISTRONIC PLUS is deactivated.

    See also:

    Charging the batter
    WARNING   Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosio ...

    Mercedes-Benz M-Class Owners Manual
    ...

    Rejects or ends a call
    •► Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...