2006 Mercedes C-Class Owner's Manual - Page 195

Controls in detail Automatic climate control* (Canada only) Deactivating Press button , ( page 187) again. The indicator lamp on the button goes out. i Press and hold button , for approx. 2 seconds. The side windows and or tilt/sliding sunroof* will return to their previous position. You can release button , once the opening procedure has begun. The windows and tilt/sliding sunroof* continue opening until they have reached their previous position. A window or tilt/sliding sunroof* will only return to its previous position if it has not been moved to another position using the respective window switch or tilt/sliding sunroof* switch after it was closed with button ,. A window or tilt/sliding sunroof* that was moved will remain in its current position if button , is used to re-open the remaining windows or tilt/sliding sunroof*. Charcoal filter An activated charcoal filter markedly reduces bad odors and removes pollutants from air entering the passenger compartment. The charcoal filter can be activated or deactivated. The system switches automatically to the air recirculation mode, if the charcoal filter is switched on carbon monoxide (CO) or nitrogen oxide (NOX) concentration of the outside air increases beyond a predetermined level i The air recirculation mode is deactivated automatically: after 5 minutes if the outside temperature is below approximately 5°C (41°F) after 5 minutes if the air conditioning is turned off after 30 minutes if the outside temperature is above approximately 5°C (41°F) i The automatic air recirculation mode does not function if the A/C mode is deactivated (indicator lamp on button 9 not lit), or if the outside temperature has fallen below 5°C (41°F). 194