I have one from a US 560SEL, same motor (different displacement) and I have no idea if they're compatible. Somebody with working WIS (mine broke) can look up part numbers and see.

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-tp


1990 300SE "Corinne"- 145k daily driver - street modified differential - PARTING OUT OR SELLING SOON - PORTLAND OR. AREA - PM ME FOR DETAILS
1988 560SEL "Gunther"- 190K passes anything except a gas station
1997 S420 - 265k just bought it with a rebuilt trans. Lovely condition