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Old 12-22-2001, 09:23 PM
Mercedes Tuner Mercedes Tuner is offline
Junior Member
Join Date: Dec 2001
Location: Westchester Co. , New York
Posts: 27
From my experience, the heads almost never go bad, unless the engine is really overheated badly. The problem to me sounds like the Valve seals, which is a pretty common problem on the 103 engines. Usually a job like that is about 3 hrs labor and maybe $100 in parts. Pull the spark plugs out and see if they are covered in oil. I would at least check them before I spent about $1,200 for a valve job, which may have not been needed.
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