October 2025

mercedes benz

Which Mercedes diesel engine is the most reliable?

Which Mercedes diesel engine is the most reliable? The OM617 was a breakthrough for diesel engines in passenger cars, providing better performance than its four-cylinder counterparts while maintaining great fuel economy. The OM617 was praised for its bulletproof reliability, often exceeding 500,000 miles with routine maintenance. OM 654. The engine is a 2.The OM608 is

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