Hello Paul, my Mercedes C200 has been parked for four years and I have been advised to flush the engine. Apparently the oil has become thick and lumpy. Can I flush it at a petrol station? George Hello ...

Yours truly has a neutral opinion regarding engine flushes: I believe engine flushes are only necessary when the engine has sludge buildup. Sludge is a dark and thick substance from contaminated oil, ...

Engine flush is a process performed to remove fine metallic particles that result from the wear and tear of metal components inside an engine The friction between metal parts causes wear and tear.