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:
Adjusting luxury head restraints
WARNING
When folding back the side cushions, never
reach between the side cushion and the
mounting post. You could otherwise be
trapped.
► To adjust the side bolsters of the h ...
Lumbar supports
The lumbar support in the backrest of the
driver's and front-passenger seats can be
adjusted to provide optimum support for your
back.
To select the seat: press the
function button.
The m ...
Vehicle operation outside the USA and Canada
If you plan to operate your vehicle in foreign
countries, please be aware that:
• service facilities or replacement parts may
not be readily available.
• unleaded fuel for vehicles with a ca ...