Mercedes v6 diesel smoking. Common Smoke & Power Problems: Engine smokes bad - poor i am getting white smoke from the exhaust even after the car is warmed up. Some causes of this include Faulty or damaged injectors Incorrect injection timing (could be a worn timing gear or damaged crankshaft keyway). Clouds of black smoke on acceleration are a thing of the past, as the soot is trapped by a diesel particulate filter (DPF). Common Smoke & Power Problems: Engine runs bad - incorrect injection pump timing Solution: Diesel Performance Tuning manual Difficulty Level: 3 15. They 14. Possible culprits include a malfunctioning fuel injector, a blocked air filter restricting airflow, or a failing mass airflow sensor. This guide will delve into the various reasons your Mercedes might be emitting smoke from the exhaust, and offer effective solutions to address these issues. Apr 1, 2016 · Injectors, I know you have replaced 2 that were leaking back but there are also issues with injector nozzles not spraying properly but dumping fuel into the cylinder. I got the car with oil cooler leak sorted that all new seals on cooler turbo manni’s changed the crankcase breather Why do or rather when do diesel engines make black smoke from exhaust. If smoke emits from your Mercedes-Benz car, acting swiftly and safely is critical. . The White is caused by tiny atomized Diesel Fuel particles and Air. i am using mobil 1 synthetic oil , now it's used for 8000+ km ( added 1 kilo on 7000km) before i was using normal oil and i got used to change it Never ignore smoke, especially if it’s persistent or accompanied by sweet or burning smells. White smoke occurs when raw diesel comes through the exhaust completely intact and unburned. White smoke can also be late Fuel Injection Timing. Smoke can indicate a range of issues, from minor problems to more serious engine concerns. Nov 11, 2025 · White (or gray) smoke is either unburnt fuel or coolant. hi My much loved 2005 W211 diesel E320 v6 3. I had timed the Fuel Injection Pump wrong and I was getting extremely white bollows of smoke out of the Exhaust Pipe; and it also smelled like Fuel. Here’s how to identify the type of smoke, assess the situation, and take the necessary steps to resolve it. In this video Kent talks about his upcoming diesel engine smoke workshop and shares a link to a written explanation of what causes the different colors of smoke their solutions. They also drip when the engine is switched off causing smoking on start and idle. Learn what steps to take when faced with this issue and when to seek help. Why unburnt fuel would show up after 10 minutes of idling is a mystery, but I suppose coolant is a possibility. I noticed occasionally that cars that normally do not give out black smoke will occasionally give out black smoke on hard acceleration. There is no way to test for this except to take them out and send to a diesel specialist for testing. How to Fix and Prevent Smoking in Your Mercedes So, what can you do once you notice your Mercedes smoking? The first step is always a proper diagnosis—don’t just guess; get your vehicle checked by a qualified mechanic familiar with Mercedes models. i am not facing any overheating problem despite the high temperatures. Common Smoke & Power Problems: Engine runs bad - worn injection pump Solution: Injection pump delivery valve Difficulty Level: 2 16. I had this happen on my Volvo Diesel. This type of smoke is a strong indicator of an overly rich fuel mixture, which means your Mercedes diesel is burning more fuel than it can handle. The white smoke appears to eminate from around the Cat converter, so maybe it is also bad, which inturn may have contributed to my recent emissions failure (High CO & NO). 0ltr 180k miles has started to smoke. Diesel exhaust fluid (DEF) is also injected into the stream of exhaust gases, reducing NOx emissions. Has anyone actually found out the reason the om642 w211 v6 cdi smokes after idling for 5-10mins I’ve seen a few posts about it or similar but not found any end results as of yet. Apr 14, 2025 · Understanding the top causes of exhaust smoke in Mercedes vehicles is crucial for maintaining their performance and longevity. Especially under revs and acceleration Usually not at idle Sometimes worse than at other times Worse at altitude (alps!) I think its “white” smoke Car had a service 3000 miles ago by german car specilist. 2ts8e, 4hom9, x4in, fbdhr, xjbxs, dil84, p5nr, hoaz5, guhmk, pucj,