Car Problem Reports

Mercedes-Benz E420 Poor idle quality due to oil feed tubes falling into crankcase

Mercedes-Benz E420 Problem
10 Reports
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Model Years Affected: 1994, 1995, 1997

Average Mileage: 125,000 mi (72,000 mi - 154,000 mi)


Oil feed tubes break and fall into the crankcase (engine) and the tappet becomes noisy (ticking), resulting in degraded idle quality. Our technicians recommend replacing all of the tubes at the same time, broken or not.

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