2008 Mercedes C-Class Owner's Manual - Page 255

Controls in detail Dual-zone automatic climate control Adjusting air distribution Use button Z ( page 250) to adjust the air distribution manually. The following symbols are shown in display b: Symbol Function Directs air to the windshield and the side defroster vents Directs air through the center, side and rear passenger compartment air vents Directs air to the footwells Press button Z ( page 250) repeatedly until you have select the desired setting and the corresponding symbol is shown in display b. The indicator lamp in button U goes out. The automatic air distribution is switched off. The air distribution is controlled according to the selected control setting. Adjusting air volume Seven blower speeds are available. Press button · to decrease or Q ( page 250) to increase air volume to the desired level. The indicator lamp in button U ( page 250) goes out. The air volume is adjusted corresponding to the set blower speed. The automatic air distribution remains switched on. Using driver-side settings for all temperature zones (Canada only) You can use the settings of the driver's side, such as temperature, air volume and air distribution, for all temperature zones. Activating: Press button z ( page 250). The indicator lamp in the button comes on. The driver-side settings are used for all temperature zones. Deactivating: Press button z ( page 250) again. The indicator lamp in the button goes out. { a Y i You can also select a position between two symbols with button Z. 254