See also:

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 ...

COMAND controller
You can use the COMAND controller to select the menu items in the COMAND display. You can call up menus or lists, scroll through menus or lists and exit menus or lists. The COMAND controller c ...

Deactivating/activating ESP®
WARNING Never switch off the ESP when you see the ESP warning lamp flashing in the instrument cluster. In this case proceed as follows:  - When driving off, apply as little throttle ...