2010 Mercedes R-Class Owner's Manual - Page 169

251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 167 Version: 2.11.8.1 Climate control If you press button ¦ to reactivate the climate control system, the defrosting mode is activated. X 167 Deactivating the rear climate control from the front X Press button Á again. The indicator lamp in the button comes on. The air conditioning uses the refrigerant R134a. This refrigerant is free of CFCs which are harmful to the ozone layer. Air conditioning The air conditioning is operational while the engine is running and cools the interior air to the temperature set by the operator. In addition, the air conditioning dehumidifies the interior air and helps prevent window fogging. Automatic mode When operating the climate control system in automatic mode, the interior air temperature, air volume and air distribution are adjusted automatically. In automatic mode, cooling with dehumidification is switched on. This function can be switched off if necessary. If you switch off the air conditioning, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others. X G Warning! If you switch off the air conditioning, the vehicle will not be cooled when weather conditions are warm. The windows can fog up more quickly. Window fogging may impair visibility and endanger you and others. G Warning! i Condensation may drip out from underneath the vehicle. This is normal and not an indication of a malfunction. Deactivating It is possible to deactivate the air conditioning. The interior air will then no longer be cooled or dehumidified. X Press button Á. The indicator lamp in the button goes out. The cooling function switches off after a short delay. Set the desired temperature (Y page 168). X Activating: Press button Ã. The indicator lamp in the button comes on. The air volume and air distribution are adjusted automatically. Activating Moist air can fog up the windows. You can dehumidify the interior air with the air conditioning. i The settings for the passenger side are also used for the rear passenger compartment. X Deactivating: Press button I or K. The indicator lamp in button à goes out. The automatic operation of air volume switches off. The selected blower speed is Z Controls in detail Deactivating: Press button ±. The indicator lamp in the button comes on. X Reactivating: Press button ±. The indicator lamp in the button goes out. ! If the air conditioning cannot be activated again, this indicates that the air conditioning is losing refrigerant. The compressor has turned off. Have the air conditioning checked at the nearest authorized Mercedes-Benz Center.