2001 Mercedes C-Class Owner's Manual - Page 163

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. To select, press e button. The indicator lamp in the button illuminates. To cancel, press button. 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). 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. 154 Switching on the activated carbon filter and activating convenience closing of power windows and sliding/ pop-up roof: The indicator lamp in the e button is off. 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 lights up. Switching off activated carbon filter and activating convenience opening: The indicator lamp in the e button is on. 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. 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.