2010 Mercedes GLK-Class Owner's Manual - Page 185

Climate control system MAX COOL is only operational when the engine is running. You can use this setting to provide the fastest possible cooling of the vehicle interior (when windows and tilt/sliding panel are closed). X Activating: Press button Ù. The indicator lamp in the button comes on. The climate control switches automatically to the following functions: Rmaximum Rmaximum Rthe X 183 cooling blowing power X Deactivating: Press button g again. The indicator lamp in the button goes out. air recirculation mode is switched on Deactivating: Press button Ù again. The indicator lamp in the button goes out. The previous settings are once again in effect. i To switch the maximum cooling function off, you can also press button ^, Ã or ¬. Air recirculation mode Switch to air recirculation mode to prevent unpleasant odors from entering the vehicle from the outside (e. g. before driving through a tunnel). This setting cuts off the intake of outside air and recirculates the air in the passenger compartment. i The manually selected air recirculation mode is deactivated automatically: Rafter 5 minutes if the outside temperature is below approximately 41‡ (5†) Rafter 5 minutes if the air conditioning is turned off Rafter 30 minutes if the outside temperature is above approximately 41‡ (5†) Using driver-side settings for passenger side This feature is only available in Canada vehicles. You can use the settings of the driver's side, such as temperature, air volume and air distribution, for the passenger side. X Activating: Adjust the air temperature, air volume and air distribution. X Press button ¸. The indicator lamp in the button comes on. The driver-side settings are used for the passenger side. X Deactivating: Press button ¸ again. The indicator lamp in the button goes out. G Warning! Fogged windows impair visibility, endangering you and others. If the windows begin to fog on the inside, switching off the air recirculation mode immediately should clear interior window fogging. If interior window fogging persists, make sure the air conditioning is activated, or press button ¬. X Activating: Press button g. The indicator lamp in the button comes on. Z Controls in detail i The air recirculation mode is activated automatically at high outside temperatures. The indicator lamp in button g is not lit when the air recirculation mode is switched on automatically. A quantity of outside air is added after approximately 30 minutes.