2002 Mercedes C-Class Owner's Manual - Page 171

Instruments and controls Operation Driving Instrument cluster display Practical hints Car care Technical data Index Automatic climate control Activated charcoal filter An activated charcoal filter markedly reduces bad odors and removes pollutants from air entering the passenger compartment. Select activated charcoal filter: The indicator lamp in the button e is not illuminated. Press e button briefly. The indicator lamp in the button illuminates. Switch off activated charcoal filter: The indicator lamp in the button e is illuminated. Press e button briefly. The indicator lamp in the button goes out. The system switches automatically to the air recirculation mode, if the carbon monoxide (CO) or nitrogen oxides (NOX) concentration of the outside air increases beyond a predetermined level. The automatic air recirculation mode does not function if economy mode S is selected or if the outside temperature has fallen below 40°F (5°C). 168 The activated charcoal filter should be switched off when windows fog up on the inside, or if the passenger compartment needs to be quickly heated or cooled down. Switching on the activated charcoal filter and activating convenience closing of power windows and sliding/ pop-up roof: The indicator lamp in the e button is not illuminated. Press button e for more than 2 seconds, the side windows and the sliding/pop-up roof will be closed. The indicator lamp in the button illuminates. Switching off activated charcoal filter and activating convenience opening: The indicator lamp in the e button is illuminated. Press button e for more than 2 seconds, the side windows and the sliding/pop-up roof return to the position they were in before closing. The indicator lamp in the button goes out. A window or the sliding/pop-up roof opened manually after convenience closing will no longer be returned to the position it was in before closing when convenience opening is selected.