See also:

Adaptive Highbeam Assist
You can use this function to set the headlamps to change between low beam and high beam automatically. The system recognizes vehicles with their lights on, either approaching from the opposite ...

High outside temperatures
If DEF heats up to over 122 °F (50 °C ) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Menu overview
The number of menus shown depends on the optional equipment in the vehicle. The Audio and Tel menus differ slightly in vehicles with an audio system and vehicles with COMAND. The examples given ...