2000 Mercedes CL-Class Owner's Manual - Page 174

Windshield fogged on the outside Switch on the windshield wiper. Press on both U buttons until they click in. The h, j and k symbols will no longer be visible. Air recirculation Select air recirculation: The indicator lamp in the O button is off. Press button O briefly. The indicator lamp in the button illuminates. To switch off the air recirculation: The indicator lamp in the O button is on. Press button O briefly. The indicator lamp in the button will go out. The system automatically switches from air recirculation to fresh air: • after 30 minutes if the outside temperature is above about 40°F (5°C), • after 5 minutes if the outside temperature is below about 40°F (5°C), • after 5 minutes if economy mode S is selected. The system switches automatically to air recirculation at high outside temperatures. A quantity of outside air is added after about 30 minutes. Important! If the windows should fog up from the inside, switch from recirculated air back to fresh air. Automatic climate control Instruments and controls Operation Driving 171 Instrument cluster display Practical hints Car care Technical data Index