oil build up on spark plugs
08-30-2004, 12:17 AM
#3
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E55, GLS450, GL63, GLE350
Most likely it's caused by bad valve stem seals or if it's at your #8 cylinder it's probably a weeping head gasket. It's rare to see these cars eat the rings.
08-30-2004, 11:10 PM
#4
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you could try the Duralube or something MAX... it's supposed to clean out your engine, spark plugs, fuel system. i dunno if it works from personal experience but i'm sure it does a little bit.
