2010 Mercedes S-Class Owner's Manual - Page 371

Climate control system Side air vents 369 X Example illustration driver's side : Left side defroster air vent, fixed ; Left side air vent, adjustable = Thumbwheel for air volume control for Opening: Turn thumbwheel : clockwise from position 3 to position 2. X Closing: Turn thumbwheel : counterclockwise from position 2 to position 3. adjustable left side air vent X Opening/closing: Turn thumbwheel = upward or downward. Rear center console air vents Ventilated glove box The glove box can be ventilated, for instance to cool its contents, when the climate control system is activated. The level of airflow to the glove box depends on the airflow and air distribution settings. The temperature of the air is approximately the same as that of the air flowing from the center air vents. ! Close the glove box air vent when heating the vehicle interior. Activate the air conditioning (cooling function) when the outside temperature is high. Otherwise, temperature-sensitive items stored in the glove box could be damaged. : Left rear center air vent, adjustable ; Right rear center air vent, adjustable = Thumbwheel for air volume control for right rear center air vent ? Rear climate control panel A Thumbwheel for air volume control for left rear center air vent X Opening/closing: Turn thumbwheel = or A in the required direction. Z Controls in detail