1994 Mercedes-Benz S500 Q&A

1994 Mercedes-Benz S500 Question: Starting my 1994 s500, Oil pressure is at 3 bars and engine sounds fine.

Appling gas, i heard a knocking sound on the bottle of the engine. the engine doesn't use additional oil and the oil use is synthetic...Some people question crankshaft position sensor or oil tubes.. -
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