The part number is A0095420817. I found it by looking at the diagram for a W140 300SD, but it is used on many other models as well.



If the 2nd pin is for the low oil pressure light I will install this on my W126 and connect the 2nd pin to the low oil level light

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.