2006 Mercedes SL-Class Owner's Manual - Page 189

Controls in detail Automatic climate control Activating Briefly press button , ( page 181). The indicator lamp on the button comes on. Warning! Deactivating Briefly press button , ( page 181). The indicator lamp on the button goes out. G Never operate the side windows if there is the possibility of anyone being harmed by the closing procedure. In the event that the procedure causes potential danger, the closing of the side windows can be immediately halted by releasing the , button. 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, for example in a tunnel The indicator lamp on button , is not lit when the air recirculation mode is automatically switched on. A quantity of outside air is added after approximately 30 minutes. i 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 conditioner is turned off after 30 minutes if the outside temperature is above approximately 41°F (5°C) i Press and hold button ,. The windows will close. The closing of the windows can be immediately halted by releasing button ,. 188