Hi guys,

I've just purchased an '85 300D and I was wondering if I could replace the factory toggle hazard switch with an earlier version (the pushbutton that says HAZARD). Could it work or would it be a wiring disaster?

Thanks!

Will

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'85 300D 'Sabine' 190,000 miles - my DD
'86 560SEL 'Grey Ghost' 110,000 miles SOLD
'87 BMW 635 CSi 'CFO' 130,000 miles SOLD

All those switches usually just pop out with a gentle persuasion.

Have your new switch handy and just change the wires one for one.

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."

look in your haynes at the donor & recipient schematics if you want to know in advance how it will work.

I think the older style had the relay integrated into the switch which is why they're pricier and hard to find. I think 81 may be the cutoff.

If it's a style thing, then you could probably re-wire the old switch to trip the new relay. Schematics for both are available. Some splicing, etc, but probably possible, assuming the old switch fits into the new-style receptacle with depth, etc. It'd likely be easier if you had the complete old-style harness and plug and not just the switch.