Saving a function
1. Highlight the function via the iDrive.
2. 
Press
the desired button for more
than 2 seconds.
See also:
System limits
Check the traffic situation as
well
PDC cannot serve as a substitute for the
driver's personal judgment of the traffic situation.
Check the traffic situation around the vehicle
with your own ...
Traffic bulletins on the map
"Traffic conditions/gray map" active:
The Control Display changes to a black and
white display. This enables a better view of the
traffic bulletins. The day/night mode is disregarded
...
Fuel tank capacity
Gasoline engine Fuel tank capacity: approx.
21.6 US gal/82 liters.
Refuel promptly
Refuel below a range of 30 miles/50 km;
otherwise, engine functions are not ensured and
damage may occur. ...