My 1995 E320 Wagon has a couple of perhaps related problems: the front "one touch" down windows don't function (Yes, they have the extra detents), and you can't open or close the windows/roof with the key locking function. Finally, there is no interior light or buzzer when the driver's door is opened like there is when the passenger door is opened. It's not the switch, I have swapped it already!

Thanks in advance...

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2002 Mercedes-Benz E320 4Matic
1995 Mercedes-Benz E320 Wagon
2005 Land Rover LR3 V8 SE
1999 Audi A8 4.2L quattro