W204 OM642 Oil Leak? It Might NOT Be the Oil Cooler!
In this video, I explain why what looks like an oil leak on a Mercedes OM642 diesel engine might not actually be the oil cooler seals.
Oil cooler seal replacement is a very common and expensive repair on the OM642 engine, but before committing to that job, there is one important area you should check first.
🔧 What this video covers:
OM642 oil leak symptoms
Why oil cooler leaks are often suspected
A common alternative cause of oil leaks
The intake / MAF seal area to inspect
How to potentially avoid an expensive repair
🚗 Vehicle:
Mercedes-Benz W204 C-Class OM642 V6 Diesel
If you’re seeing oil around your engine and thinking it’s the oil cooler, this video could save you a lot of time and money.
💡 Why this matters
Oil cooler seal replacement on the OM642 is a big job, so checking this simple area first could prevent unnecessary work and cost.