2007 Mercedes S-Class Owner's Manual - Page 432

Controls in detail Automatic climate control Air recirculation mode Switch to air recirculation mode to prevent unpleasant odors from entering the vehicle from the outside (e.g. before driving in a tunnel). This setting cuts off the intake of outside air and recirculates the air in the passenger compartment. Warning! i The air recirculation mode is activated auto- Air recirculation mode with convematically at high outside temperatures. The indicator lamp on button , is not lit when the air recirculation mode is automatically activated. A quantity of outside air is added when the cooling demand is not at maximum. If the air conditioning has been turned off ( page 231) or the outside temperature is below 41°F (5°C), the air recirculation mode will not switch on automatically. nience closing or opening feature Warning! G G Never operate the side windows and the tilt/sliding sunroof or tilt/sliding panel* if there is the possibility of anyone being harmed by the closing procedure. Vehicles with tilt/sliding sunroof: In the event that the procedure causes potential danger, the closing of the side windows can be immediately halted by pressing the respective window switch. The closing of the tilt/sliding sunroof can be immediately halted by moving the tilt/sliding sunroof switch in the overhead control panel in any direction. Vehicles with panorama roof*: In the event that the procedure causes potential danger, the closing of the side windows or the tilt/sliding panel can be immediately halted by releasing button ,. Fogged windows impair visibility, endangering you and others. If the windows begin to fog on the inside, switching off the air recirculation mode immediately should clear interior window fogging. If interior window fogging persists, make sure the air conditioning ( page 231) is activated, or press button ;. Deactivating: Press button , ( page 426) up or down. The indicator lamp on the button goes out. i The manually selected air recirculation mode is deactivated automatically: 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) Activating: Press button , ( page 426) up or down. The indicator lamp on the button comes on. 431