2008 Mercedes SLK-Class Owner's Manual - Page 191

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 through a tunnel). This setting cuts off the intake of outside air and recirculates the air in the interior. Warning! i The air recirculation mode activates automatically at high outside temperatures. 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. Air recirculation mode with convenience closing or opening feature Warning! G Never operate the side windows if there is the possibility of anyone being harmed by the closing procedure. When using the air recirculation mode with convenience closing feature, should the upward movement of a window be blocked by some obstruction including but not limited to arms, hands, fingers, etc., the automatic reversal feature will not operate. In the event that the closing procedure causes potential danger, the closing of the door windows can be immediately halted by releasing the , button or by pressing the respective power window switch. The closing of the rear side windows can be immediately halted by releasing the , button. Deactivating G Press button , ( page 184) again. The indicator lamp on the button goes out. 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 180) is activated, or press button P. i The 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 ( page 191) after 30 minutes if the outside temperature is above approximately 41°F (5°C) Activating Press button , ( page 184). The indicator lamp on the button comes on. 190