See also:

Canceling or continuing route guidance
Canceling route guidance To activate navigation mode: press the function button once or twice. To show the menu: press the COMAND controller. Select Destination in the navigation sys ...

Fogged up or dirty windshield
If the windshield in front of the camera is fogged up or dirty on the inside or outside, the Night View Assist Plus display is affected. WARNING Please do not forget that your primary resp ...

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 ...