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 ...

Overview
Four years after the market launch of the W221 model series, Mercedes-Benz is presenting the 2010 Mercedes-Benz S-Class. Trailblazing innovations in the areas of comfort and drive engineering comb ...

Problems with the seat heating
The seat heating has switched itself off prematurely. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. Switch off electrical consumers ...