Poor idle quality due to oil feed tubes falling into crankcase on Mercedes-Benz E420
Problem overview
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.
24 people reported this problem
6 commentsMercedes-Benz E420 vehicles with this problem
Average mileage: 136,113 miles
(72,000 - 199,938)
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