2006 Mercedes C-Class Owner's Manual - Page 192

Controls in detail Automatic climate control* (Canada only) Turn air distribution control 1 or 8 ( page 187) to the desired symbol. The indicator lamp on the button U ( page 187) goes out. The automatic air distribution is switched off. The air distribution is controlled according to the selected control setting. Closing center and side air vents Turn thumbwheels 3, 4, 7 and 8 ( page 186) downward. The center air vents 5 and 6 and side air vents 2 and 9 ( page 186) are closed. Adjusting air volume Use button U ( page 187) for automatic mode or air volume controls ˜ or Q ( page 187) to adjust air volume manually. Seven blower speeds are available. Opening center and side air vents Turn thumbwheels 3, 4, 7 and 8 ( page 186) upward. The center air vents 5 and 6 and side air vents 2 and 9 ( page 187) are open. Press button ˜ to decrease or Q ( page 187) 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 Keep this setting selected only until the windshield or the side windows are clear again. Activating Press button P( page 187). The indicator lamp on the button comes on. i You can also turn the air distribution control to a position between two symbols. 191