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:
•► Press the 
button on the
multifunction steering wheel.
or
•► Use the volume controller of COMAND.
You can find further information and a description of all available features under "Owners Online" at http:// www.mbusa.com.
See also:
Function restrictions
You will not be able to use the telephone, will
no longer be able to use the telephone, or you
may have to wait before using it, in the
following situations:
• when the mobile phone is switch ...
Switching on/off
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
If the battery voltage is too
low, the seat
ventilation may switch off.
Make sure that the ...
Tire pressure monitor warningmessages
If the tire pressure monitor detects a
significant pressure loss on one or more tires,
a warning message is shown in the
multifunction display. A warning tone also
sounds and the tire pressure war ...