The mbrace system

The mbrace system provides different services, e.g.:
• automatic and manual emergency call
• Roadside Assistance call
• 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.
or
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 http://www.mbusa.com

    See also:

    Activating/deactivating the acoustic locking verification signal
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    Cockpit
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    Increased vehicle weight due to optional equipment
    This is the combined weight of all standard and optional equipment available for the vehicle, regardless of whether it is actually installed on the vehicle or not. ...