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:
Charging the battery
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 explosions
...
Switching on/off
The three red indicator lamps in the button
indicate the heating level you have selected.
If the battery voltage is too low, the seat
heating may switch off.
The system automatically switches ...
Important safety notes
WARNING
When operating the climate control, the air that enters the passenger compartment
through the air vents can be very hot or very cold (depending on the set temperature).
This could ca ...