2010 Mercedes ML-Class Owner's Manual - Page 171

Climate control Function K Interior temperature sensor L Climate control on/off Recommendation/Notes 169 i Switches on the climate (Y page 169) control system. The indicator lamp in button ^ goes out. opening feature" (Y page 102). The climate control will then adjust the interior temperature to the set value much faster. Notes on climate control The climate control is operational whenever the engine is running. You can operate the climate control system in either the automatic or manual mode. The system cools or heats the interior depending on the selected interior temperature and the current outside temperature. Nearly all dust particles, pollutants and odors are filtered out before outside air enters the passenger compartment through the air distribution system. Deactivating the climate control system G Warning! When the climate control system is switched off, the outside air supply and circulation are also switched off. Only choose this setting for a short time. Otherwise the windows could fog up, impairing visibility and endangering you and others. X G Warning! Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interior and the windows could fog up, impairing visibility and endangering you and others. Have a clogged filter replaced as soon as possible at an authorized Mercedes-Benz Center. Deactivating: Press button ^. The indicator lamp in the button comes on. X Reactivating: Press button Ã. The air conditioning will not engage (no cooling) if the A/C mode is deactivated (Y page 169). i You can also press button ^ on the climate control panel. If you press button ¦ to reactivate the climate control system, the defrosting mode is activated. Deactivating the rear climate control from the front X G Warning! Follow the recommended settings for heating and cooling given on the following pages. Otherwise the windows could fog up, impairing visibility and endangering you and others. Deactivating: Press button ±. The indicator lamp in the button comes on. X Reactivating: Press button ±. The indicator lamp in the button goes out. Keep the air intake grille in front of the windshield free of snow and debris. Air conditioning The air conditioning is operational while the engine is running and cools the interior air to Z i If the vehicle interior is hot, ventilate the interior before driving off, see "Summer Controls in detail