... when I disconnected them while doing the shifter bushing replacement thing as described here:

https://www.pelicanparts.com/techarticles/Mercedes-W123/117-INTERIOR-Shifter_Bushings_Replacement/117-INTERIOR-Shifter_Bushings_Replacement.htm

The tutorial is good, I'm really happy with the results, the thing with the windows is surely not their fault.

Is a wee bit bothersome however. Both the fuses are still good, I hadn't disconnected the battery ground, maybe I should have, who knows. Disconnecting the wiring hubs in that manner is usually trouble free.

Just wondering if anyone else encountered and solved the same problem. I'm driving it now and using the sun roof for fresh air.

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Te futueo et caballum tuum

1986 300SDL, 362K
1984 300D, 138K