2010 Mercedes GLK-Class Owner's Manual - Page 183

Climate control system Side air vents 181 : Thumbwheel Example illustration driver's side : Left side defroster air vent, fixed ; Left side air vent, adjustable = Thumbwheel for air volume control for ; Air vent X Opening/closing: Turn thumbwheel : clockwise or counterclockwise. adjustable left side air vent X Rear center console air vents Opening/closing: Turn thumbwheel = upward or downward. 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. : 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. rear center air vents ; Right rear center air vent, adjustable = Left rear center air vent, adjustable Adjusting air distribution The symbols shown in display G (Y page 177) on the climate control panel represent the following functions: Z Controls in detail