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 ...

Activating video DVD mode
Option 1 Insert a video DVD. COMAND loads the medium inserted and starts to play it. Option 2 Select Video in the main function bar by sliding and turning the COMAND controller and pres ...

Active multicontour seats with massage function from the S-Class
The active multicontour seat package (optional) includes newly developed multicontour seats with comfort head restraints and a two-stage massage function in the backrest that has proven highly suc ...