2009 Mercedes C-Class Owner's Manual - Page 153
2009 Mercedes C-Class Manual
Page 153 highlights
219_AKB; 4; 54, en-US d2ureepe, 2009-05-11T16:21:02+02:00 - Seite 151 Version: 2.11.8.1 Rear window defroster The indicator lamp in button g is not lit when the air recirculation mode is switched on automatically. A quantity of outside air is added after approximately 30 minutes. X X 151 Deactivating: Press button Ì. The indicator lamp in the button goes out. The residual heat is deactivated automatically: Rwhen Rafter Rif Rif the ignition is switched on 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 turned 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. the coolant temperature is too low Rear window defroster G Warning! Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. i If you switch on the residual heat function when outside temperatures are high, only the ventilation will be switched on. i Regardless of the selected air volume, the blower operates at low speed. i How long the system will provide heating depends on the coolant temperature and the selected temperature. The blower will run at speed setting 1 regardless of the air volume control setting. X X The rear window defroster uses a large amount of power. To keep the battery drain to a minimum, switch off the defroster as soon as the rear window is clear. The defroster is switched off automatically after some time of operation depending on the outside temperature. X Switch on the ignition. X Switching on: Press button ¤ on the respective climate control panel. The indicator lamp in the button comes on. X Switching off: Press button ¤ again. The rear window defroster switches off when the battery voltage is too low. The indicator lamp in button ¤ flashes. Too many electrical consumers may be operating simultaneously. X Switch off consumers that are currently not needed if required. Activating: Switch off the ignition. Press button Ì. The indicator lamp in the button comes on. Z Controls in detail Deactivating: Press button g again. The indicator lamp in the button goes out. approximately 30 minutes the battery voltage drops