2006 Mercedes E-Class Owner's Manual - Page 202

Controls in detail Good visibility Roller sunblind* in the rear doors Rear window defroster 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 automatically deactivated after approximately 6 to 17 minutes of operation depending on the outside temperature. Pull the roller sunblind out using the hooks. Attach the hooks at the top. Activating Press button 1 ( page 204) or ( page 216) or F ( page 217) on the respective climate control panel. The indicator lamp on the button comes on. Deactivating Press button F or 1 again. The indicator lamp on the button goes out. Warning! G Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. ! If the rear window defroster switches off too soon and the indicator lamp starts flashing, this means that too many electrical consumers are operating simultaneously and there is insufficient voltage in the battery. The system responds automatically by deactivating the rear window defroster. As soon as the battery has sufficient voltage, the rear window defroster automatically turns itself back on. ! Always guide the sunblind by hand. Do not let it snap back, as the retractor could be damaged. 201