Fast forward/rewind
Slide 
and hold the COMAND
controller until the desired position has
been reached.
You see the navigation menu.
See also:
Tow-starting (emergency starting)
Vehicles with automatic transmission
must not be started by tow-starting. This
could otherwise damage the transmission. ...
BAS (Brake Assist System)
Observe the "Important safety notes"
section.
BAS operates in emergency braking
situations. If you depress the brake pedal
quickly, BAS automatically boosts the braking
force, thus ...
Snow chains
For safety reasons, Mercedes-Benz
recommends that you only use snow chains
which have been specially approved for your
vehicle by Mercedes-Benz, or are of a
corresponding standard of quality.
...