2008 Mercedes C-Class Owner's Manual - Page 253

Controls in detail Dual-zone automatic climate control i Keep the air intake grille in front of the wind- Deactivating the climate control shield free of snow and debris. Do not obstruct air flow by placing objects on the air flow-through exhaust slots below the rear window. Press button ´ ( page 250) again. The indicator lamp in the button goes out.The previous settings are once again in effect. or, Press button U ( page 250) while the engine is running. The indicator lamp in the button comes on. The air volume and air distribution are adjusted automatically. system Warning! G i If the vehicle interior is hot, ventilate the interior before driving off, see "Summer opening feature" ( page 123). The climate control will then adjust the interior temperature to the set value much faster. When the climate control 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. Deactivating: Press button ´ ( page 250). The indicator lamp in the button comes on. Reactivating: Make sure the ignition is switched on. 252