2008 Mercedes SLK-Class Owner's Manual - Page 192

Controls in detail Automatic climate control* Convenience closing Press and hold button , until the windows are closed or have reached the desired position. The indicator lamp on the button comes on. The air recirculation mode is activated. Convenience opening Press and hold button , until the windows are opened or have reached the desired position. The indicator lamp on the button goes out. The air recirculation mode is deactivated. Air conditioning The cooling function, only operational when the engine is running, cools the vehicle interior down to the selected temperature. The cooling function also dehumidifies the air in the vehicle interior, thus preventing the windows from fogging up. The air conditioning uses the refrigerant R134a. This refrigerant is free of CFCs which are harmful to the ozone layer. Warning! i The closing of the windows can be immediately halted by releasing button ,. i The opening of the windows can be immediately halted by releasing button ,. A window will only return to its previous position if it has not been moved to another position using the respective window switch after it was closed with button ,. A window that has been moved will remain in its current position if button , is used to reopen the remaining windows. G If you turn off the cooling function, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others. i Condensation may drip from underneath the vehicle. This is normal and not an indication of a malfunction. 191