2013 C250 Repair manual...please!!!
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R500, SL55, CLS550, E320, ML320
PCV Valve?
We have an identical issue. Could this sludge on the dipstick clog up the PCV valve, or be caused by the PCV valve? How can you tell if it needs changing? Is it an expensive replacement?
thanks
PPRussell
thanks
PPRussell