2008 Mercedes R-Class Owner's Manual - Page 234

Controls in detail 3-zone automatic climate control* Convenience opening: Press button : for approximately 2 seconds. The windows and/or tilt/sliding sunroof will return to their previous positions. You can release button : once the opening procedure has begun. The windows and tilt/sliding sunroof continue opening until they have reached their previous positions. The indicator lamp on the button goes out. The air recirculation mode is deactivated. Vehicles with panorama roof* Convenience closing: Press and hold button : until the windows and the tilt/sliding panel 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 and the tilt/sliding panel 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 down to the selected interior temperature. The cooling function also dehumidifies the air in the vehicle interior, thereby preventing the windows from fogging up. i Condensation may drip out from underneath the vehicle. This is normal and not an indication of a malfunction. Warning! G If you turn off the cooling function, the interior air is not dried. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others. 233