Does anybody know what the square button to the right of the headlight dial is? It looks clean enough to be stock, but I can't tell. Its a momentary switch button only, and doesn't seem to do anything.
Thanks Jayare, I will get to that, oddly the previous owner (1 owner car, son of the original owner) did not know what it was either, and said it came that way, and doesn't remember using it for anything.Not a button from the factory for sure. Maybe trace the wire back to its origin.
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^THAT is the factory headlight level switch found on Euro spec cars. Useful when towing but otherwise does little to nothing other than being another feature that dies with age.
Unless it was a retro-fit to a car not previously optioned with headlight squirters?? Most logical place for a squirt button to the right of headlamp switch. Orrr....an air blaster horn!For W124s with the factory headlight wash 'n wipe, the system is only triggered when the headlights are on AND the screenwash is activated on the multifunction stalk.