2009 Mercedes CL-Class Owner's Manual - Page 395
2009 Mercedes CL-Class Manual
Page 395 highlights
Controls in detail Rear window defroster the selected temperature. The blower will run at low speed regardless of the air distribution control setting. X 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. 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 approximately 6 to 17 minutes of operation depending on the outside temperature. X Switch on the ignition. X Switching on: Press button ¯ up or down. The indicator lamp in the button comes on. X As soon as the battery has sufficient voltage, the rear window defroster switches back on automatically. Activating: Switch off the ignition. X Press rocker switch T up or down. The indicator lamp in the rocker switch comes on. X Deactivating: Press rocker switch T up or down. The indicator lamp in the rocker switch goes out. The residual heat is deactivated automatically: Rwhen Rafter Rif Rif the ignition is switched on approximately 30 minutes the battery voltage drops the coolant temperature is too low Switching off: Press button ¯ up or down. ! If the rear window defroster switches off too soon and the indicator lamp starts flashing, too many electrical consumers are operating simultaneously and there is insufficient voltage in the battery. The system responds automatically by switching the rear window defroster off. Z 393
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