There is an auto-dim (electrocrhomic or EC) 124 mirror, we made the mirrors (OEM), I believe they started around '89. I don't know if they were available in the US but we manufactured and shipped a lot of them to M-B in Germany. I have one I can take a photo of, the one on my 124 is a prototype BMW mirror we put on a 124 mount, looks better IMO than the 124 which had a switch on the chin. There is also a plug-and-play wire harness, plugs in-between the 124 overhead console and wire harness to add the mirror wires, I'll try to find it and get a photo or part numbers.

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Gone to the dark side

- Jeff