2010 Mercedes ML-Class Owner's Manual - Page 180

178 3-zone automatic climate control 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. The indicator lamp in the button comes on. In display J, you will see the Y symbol followed by ON and MODE. The MODE display is cleared and the indicator lamp in button X goes out after approximately 3 seconds. The rear climate control switches on. Controls in detail Deactivating the rear climate control from the rear X Deactivating the front climate control X Deactivating: Press button ^. The indicator lamp in the button comes on. Canada only: Display J (Y page 175) is cleared. X Reactivating: Press button Ã. Deactivating: Press button ^. The indicator lamp in the button comes on. X Reactivating: Press button Ã. The indicator lamp in the button comes on. 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. 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 USA only X G Warning! Deactivating: Press button ±. The indicator lamp in the button comes on. X Reactivating: Press button ±. The indicator lamp in the button goes out. Canada only X 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. Deactivating: Press button X. The indicator lamp in the button comes on. In display J (Y page 175), you will see the Y symbol followed by MODE for approximately 3 seconds. X Within these 3 seconds press button ^. In display J, you will see the Y symbol followed by OFF. The rear climate control is switched off. X Reactivating: Press button X. 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 cooling function of the climate control system. 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.