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:
Playback options
The following options are available:
• Normal Track Sequence
Normal track sequence: you hear the
tracks in their normal order (e.g. numerical
or alphabetical).
• Random Tracks
All the trac ...
Engine
Display messages
Possible causes/consequences and
Solutions
The coolant level is too low.
– Add coolant, observing the warning notes when doing so.
– If coolant needs ...
Cleaning the trailer tow hitch
The ball coupling must be cleaned if it becomes dirty or corroded.
Remove rust on the ball of the ball coupling, e.g. with a wire brush.
Remove dirt with a clean, lint-free cloth or a brush.
A ...