2002 Mercedes S-Class Owner's Manual - Page 178

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 e button is not illuminated. Press e button briefly. The indicator lamp in the button illuminates. Switch off activated charcoal filter: The indicator lamp in the e button 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 ACOFF 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. 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 of power windows and sliding/ pop-up roof: 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. Automatic climate control Instruments and controls Operation Driving 175 Instrument cluster display Practical hints Car care Technical data Index