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 ...

Showing/hiding the menu
To show: press the COMAND controller. To hide: slide the COMAND controller and confirm Full screen by pressing . ...

Important safety notes
Service products include the following: • fuels (e.g. gasoline, diesel) • lubricants (e.g. engine oil, transmission oil) • coolant • brake fluid • windshield washer fluid Vehicle components and ...