2005 Mercedes S-Class Owner's Manual - Page 202
2005 Mercedes S-Class Manual
Page 202 highlights
Controls in detail Automatic climate control i The air recirculation mode is activated automatically: at high outside temperatures if the concentration of carbon monoxide and nitrogen oxide in the outside air increases beyond a predetermined level, for example in a tunnel. Please note that the charcoal filter must be activated ( page 200) for the air recirculation mode to be activated automatically. If you have turned off the air conditioning ( page 202) or the outside temperature is below 41°F (5°C), the air recirculation mode will not switch on automatically. Deactivating Press button , ( page 194). The indicator lamp on the button goes out. i Charcoal filter An activated charcoal filter markedly reduces bad odors and removes pollutants from air entering the passenger compartment. Activating Press button e ( page 194). The indicator lamp on the button comes on. If you keep button , pressed, the side windows and the tilt/sliding sunroof will return to their previous position. The air recirculation mode is deactivated automatically: after five minutes if the outside temperature is below approximately 41°F (5°C) after five minutes if the air conditioning is turned off after 30 minutes if the outside temperature is above approximately 41°F (5°C) At outside temperatures above 79°F (26°C) the system will not automatically switch back to outside air. A quantity of outside air is added after approximately 30 minutes. i If you keep button e pressed, the side windows and the tilt/sliding sunroof will close. 200
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