ML 500 (163.175) V8-5.0L (113.965) (2003)
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Heated Glass Element Switch: Description and Operation
As of 12/99
Rear window defroster switch, location
The rear window defroster switch (S21s9) is located in the switch group in the center console together with the rear window defroster indicator
lamp (S21e2).
Rear window defroster switch, purpose
The rear window defroster is switched on and off manually with switch (S21s9).
Operation of the rear window defroster is indicated by the rear window defroster indicator lamp (S21e2). The rear window defroster indicator
lamp (S21e2) flashes when the voltage is too low.
