I had a first gen W126 ECE car (380SE actually) and it did not have that sensor and I cannot recall seeing that sensor on the 500SELs I have seen for parts.

Was it a second gen thing only?

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]