The mbrace system

The mbrace system provides different services, e.g.:
Х automatic and manual emergency call
Х Roadside Assistance call
Х MB Info call

To adjust the volume during an mbrace call, proceed as follows:
multifunction steering wheel. Press the W or X button on the multifunction steering wheel.
audio system. Use the volume controller of the audio system.

You can find further information and a description of all available features under "Owners Online" at

    See also:

    Adaptive Highbeam Assist
    You can use this function to set the headlamps to change between low beam and high beam automatically. The system recognizes vehicles with their lights on, either approaching from the opposite ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences are ...

    Call priority
    When service calls are active, e.g. Roadside Assistance or MB Info calls, an emergency call can still be initiated. In this case, an emergency call will take priority and override all other ac ...