2008 Mercedes CLS-Class Owner's Manual - Page 200

Controls in detail 4-zone automatic climate control Activating Press button , ( page 190) or ( page 191). The indicator lamp on the button comes on. matically at high outside temperatures and if the concentration of carbon monoxide (CO) 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. Deactivating Press button , ( page 190) or ( page 191) again. The indicator lamp on the button goes out. tomatically: after 5 minutes if the outside temperature is below approximately 41°F (5°C) after 5 minutes if the air conditioning is turned off after 30 minutes if the outside temperature is above approximately 41°F (5°C) Air recirculation mode with convenience closing or opening feature Warning! G i The air recirculation mode is activated auto- i The air recirculation mode is deactivated au- Never operate the windows and tilt/sliding sunroof if there is the possibility of anyone being harmed by the opening or closing procedure. In the event that the procedure causes potential danger, the closing of the windows can be immediately halted by pressing or pulling the respective window switch. The closing of the tilt/sliding sunroof can be immediately halted by moving the switch for the tilt/sliding sunroof in any direction. The closing of the windows and the tilt/sliding sunroof can be reversed by again pressing and holding the , button. 199