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 
or
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:
"Coupling up a trailer" function
This function is only available on vehicles with
a trailer tow hitch.
1 Center of the vehicle on the red guide line
approximately 10 in (0.25 m) away from
the rear area
2 Center of the vehic ...
Driving systems
Display messages
Possible causes/consequences and
Solutions
The red distance warning lamp lights up while the vehicle is in motion.
A warning tone also sounds.
R ...
DEF
Important safety notes
For BlueTEC vehicles only.
DEF is a non-flammable, non-toxic, colorless,
odorless and water-soluble fluid.
Rinse surfaces that have come into
contact with DEF immediately ...