Mercedes E350 CDI W212 OM642 V6 Long Term Guide
Mercedes-Benz
E-Class
2009
OM642 3.0 CDI 265PS
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
✅ Safe to Drive
Safety Impact
No direct safety impact reported by owners
Urgency Level
🟡 Monitor Closely
E350 CDI W212 OM642 at 300,000 km: EGR valve clean, EGR cooler pressure test, V6 timing chain inspection, 7G-Tronic fluid and injector seal check.
Repair / Solution
No confirmed fixes yet. Share yours below.
⚠️ Wrong Diagnosis?
No commonly reported misdiagnoses for this fault yet. If you have replaced a part that did not fix this Mercedes-Benz E-Class 2009 problem, submit a wrong diagnosis report — it helps other drivers avoid the same costly mistake.
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