Mercedes E220d Black Smoke Under Load — Turbo Or EGR
Mercedes-Benz
E-Class
2009
OM651 2.2 CDI
⚡ Quick Summary
Severity Level
Medium
Safe to Drive?
🚫 Do NOT Drive
Safety Impact
Direct safety risk — affects safe operation of the vehicle
Urgency Level
🟡 Monitor Closely
Black smoke from W212 E220d exhaust under hard acceleration indicates over-fuelling from a faulty turbo, stuck EGR valve or failing injector. Check EGR valve first — it is the most common cause. EGR cleaning costs £150-280. Turbo check if EGR is clean.
Onarım / Çözüm
No confirmed fixes yet. Share yours below.
⚠️ Yanlış Teşhis mi?
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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