2006 Mercedes R-Class Owner's Manual - Page 239

Controls in detail 3-zone automatic climate control* Front defroster You can use this setting to defrost the windshield, such as when it is iced up. You can also use it to defog the windshield and side windows. The air conditioning switches to the following functions automatically: maximum blower speed and heating power air flows onto the windshield and the front side windows (side air vents must be open) the air conditioning compressor switches on at outside temperatures above approximately 41°F (5°C) for air-drying Deactivating Press button 0 ( page 232). The indicator lamp on the button goes out. Defrosting is turned off. The previous settings are once again in effect. Windshield fogged on the outside i Keep this setting selected only until the windshield is clear again. Switch the windshield wipers on ( page 59). Press button U ( page 232). AUTO appears in the display of control panel e ( page 232). Air volume and air distribution are controlled separately for each zone. If the automatic air distribution and air volume are switched off: Press buttons 8 and Y ( page 232). i Keep this setting selected only until the windshield or the side windows are clear again. When the defrost setting has been selected, only the rear window defroster can be switched on. No other settings are possible. Activating Press button 0 ( page 232). The indicator lamp on the button comes on. i To switch off, you can also press button ´ or U ( page 232). 238