2008 Mercedes CLK-Class Owner's Manual - Page 207

Controls in detail Automatic climate control Adjusting air volume Use button U ( page 201) for automatic mode or air volume controls ˜ or Q ( page 201) to adjust air volume manually. Seven blower speeds are available. Press button ˜ to decrease or Q ( page 201) to increase air volume to the desired level. The indicator lamp on the button U goes out. The automatic air distribution remains switched on. 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. i If you have switched on the defrost function using the P or 0 button, you cannot make any other settings. Deactivating Press button P or 0 ( page 201) again. The indicator lamp on the button goes out. The previous settings are once again in effect. i Keep this setting selected only until the windshield or the side windows are clear again. Activating Press button P or 0 ( page 201). The indicator lamp on the button comes on. The air conditioning switches automatically to the following functions: cooling on to dehumidify maximum blowing and heating power air flows onto the windshield and the front side windows the air recirculation mode is switched off i The cooling remains switched on. Windshield fogged on the outside i Keep this setting selected only until the windshield is clear again. Switch the windshield wipers on ( page 56). If the automatic mode of the automatic climate control is switched off: Turn air distribution control 1 or 8 to a or Y ( page 201). 206