2009 Mercedes CLK-Class Owner's Manual - Page 191
2009 Mercedes CLK-Class Manual
Page 191 highlights
Controls in detail Climate control system A quantity of outside air is added after approximately 30 minutes. X Charcoal filter An activated charcoal filter markedly reduces bad odors and removes pollutants from air entering the passenger compartment. The charcoal filter can be activated or deactivated. The system switches automatically to the air recirculation mode, if the charcoal filter is switched on and carbon monoxide (CO) or nitrogen oxide concentration of the outside air increases beyond a predetermined level X inside, or if the passenger compartment needs to be quickly heated or cooled down. Deactivating: Press button e. The indicator lamp in the button goes out. Deactivating: Press button , again. The indicator lamp in the button goes out. 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†) Residual heat and ventilation This feature is only available in Canada vehicles. With the engine switched off, it is possible to continue to heat or ventilate the interior for up to 30 minutes. This feature makes use of the residual heat produced by the engine. i The automatic air recirculation mode does not function if the A/C mode is deactivated (indicator lamp in button 213 or 914 not lit), or if the outside temperature has fallen below 41‡ (5†). X Activating: Press button e. The indicator lamp in the button comes on. i How long the system will provide heating depends on the coolant temperature and the selected temperature. The blower will run at low speed regardless of the air distribution control setting. X X X i The activated charcoal filter should be switched off when windows fog up on the Activating: Switch off the ignition. Press button 9. The indicator lamp in the button comes on. Deactivating: Press button 9. The indicator lamp in the button goes out. 13 USA 14 Canada only only Z 189