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:
Uniform Tire Quality Grading
Standards
A uniform standard to grade the quality of
tires with regards to tread quality, tire traction
and temperature characteristics. Ratings are
determined by tire manufacturers using U.S.
government ...
Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment.
Consult an authorized Mercedes-Benz Center for the data for all vehicle variants
and trim levels. ...
Checking tire pressure manually
To determine and set the correct tire
pressure, proceed as follows:
Remove the valve cap of the tire that is to
be checked.
Press the tire pressure gauge securely onto
the valve.
Read the ...