4 Bulletproof Mercedes Engines to Hunt For And 3 That Fail At 50K Miles

Two E-Class buyers pay the same price, but one engine code can turn a smart purchase into a $13,000 nightmare. In this breakdown, we name the 3 worst Mercedes engines to avoid—M272/M273 (balance shaft gear failure), M276 (timing chain break), and OM651 (injectors, DPF, glow plugs, turbo issues)—and the 4 best to hunt for: M113, OM642, M156/M159, and M274. Learn the real symptoms, failure mileage ranges, and why some Mercedes engines can run 300,000+ miles while others demand full replacements. Plus, what maintenance keeps the winners running smooth long-term. Check the VIN, verify the engine code, and protect your wallet. #Mercedes #EClass #AMG #Diesel 👉 Subscribe and turn on notifications so you never miss an update that could save you money. 💬 Join in: drop your model/year/budget and your dealership story in the comments — let’s break it down together.