2010 Mercedes E-Class Owner's Manual - Page 162

160 Climate control system Center 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. Controls in detail : Left center air vent, adjustable ; Right center air vent, adjustable = Thumbwheel for air volume control for ! 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. adjustable right center air vent ? Thumbwheel for air volume control for adjustable left center air vent X Opening/closing: Turn thumbwheels = and ? upward or downward. Side air vents : Thumbwheel ; Air vent X Opening/closing: Turn thumbwheel : clockwise or counterclockwise. Example illustration driver's side : Left side defroster air vent, fixed ; Left side air vent, adjustable = Thumbwheel for air volume control for adjustable left side air vent X Opening/closing: Turn thumbwheel = upward or downward.