See also:

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. Make sure that the S ...

The Inside
There are some nice, high-grade materials in the R-Class' cabin, but it's showing its age and would have benefited from an update like the exterior received. The most disappointing part of the c ...

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...