2004 Mercedes ML-Class Owner's Manual - Page 142

Controls in detail Automatic climate control ! When in manual mode, the rear blower setting cannot be increased beyond the setting for the front blower setting. For example, if the driver or front passenger changes the blower setting to level 3, the rear blower will not go higher than level 3 as well. Adjusting air distribution Press upper part of button Ô. Air is directed upwards. Press lower part of button Ó. Air is directed to the footwell. Front and rear air vents Adjusting side air vents Turn thumbwheel 4 ( page 135) to one of the following positions: Symbol h l Function Open Ventilation of side windows in area of exterior mirror Closed i For draft-free ventilation, adjust the air vents upwards. To allow unrestricted operation of the automatic climate control, the air vents should remain open. M 142