Mercedes-Benz C230 Problem Report

Mercedes-Benz C230 Engine Drivability Concerns Due to Broken Crank Case Vent Hoses

(6 reports)

The engine crank case vent hoses may fail, resulting in a rough running engine and/or poor engine performance. Damaged hoses should be replaced.

Diagnosis was leak in crank vent system. Replaced all hoses. Replaced all seals. 5 days later engine light on again. -
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