2008 Mercedes CLS-Class Owner's Manual - Page 198

Controls in detail 4-zone automatic climate control Front defroster You can use this setting to defrost the windshield, for example if it is iced up. You can also defog the windshield and the side windows. The climate control switches automatically to the following functions: cooling on to dehumidify most efficient blower speed and heating power, depending on outside temperature air flows onto the windshield and the front side windows the air recirculation mode is switched off i To switch the front defroster off, you can also press button U or ´ ( page 190) or ( page 191). i The cooling remains switched on. Windshield fogged on the outside i Keep this setting selected only until the windshield or the side windows are clear again. i Keep this setting selected only until the windshield is clear again. Activating Press button y ( page 190) or ( page 191). The indicator lamp on the button comes on. Display 4 ( page 190) or ( page 191) is cleared. Switch windshield wipers on ( page 56). Press button U ( page 190) or ( page 191). If the automatic mode of the climate control is switched off: Turn air distribution control 1 and 7 to a or Y ( page 190) or ( page 191). i You can adjust the air volume, air distribution and the temperature when the front defroster is switched on. Deactivating Press button y ( page 190) or ( page 191) again. The indicator lamp on the button goes out. Defrosting is turned off. The previous settings are once again in effect. 197