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Mercedes-Benz Engine OM654 Versions and Common Problems | Auto Tuning Blog

7/16/2023

Mercedes-Benz Engine OM654 Versions and Common Problems | Auto Tuning Blog

Welcome to our auto-tuning blog, your ultimate destination for expert insights and technical advice. In this article, we will delve into the world of Mercedes-Benz Engine OM654, exploring its different versions and shedding light on the common problems that enthusiasts and owners may encounter. Whether you're an automotive enthusiast or a proud owner of a Mercedes-Benz vehicle, this comprehensive guide will provide valuable information to help you better understand this powerful engine.

Version Overview:

OM654.10X - The foundation of the Mercedes-Benz Engine OM654 family, this version offers exceptional efficiency and reduced emissions. It features an aluminum block, a variable geometry turbocharger, and an integrated starter-generator.

OM654.20X - Building upon the strengths of its predecessor, this version introduces an improved fuel injection system and refined combustion processes. The result is enhanced performance and even better fuel economy.

OM654.30X - With a focus on power and performance, this version boasts higher output figures and increased torque. It incorporates advanced technologies, such as a 48-volt electrical system and an electric auxiliary compressor, to deliver a thrilling driving experience.

Common Problems:

Diesel Particulate Filter (DPF) Regeneration Issues -
The OM654 engine utilizes a DPF to capture and burn off harmful particulate matter. However, some owners have reported issues with the DPF regeneration process, leading to warning lights and reduced engine performance. Regular maintenance and following recommended driving patterns can help mitigate this problem.

High-Pressure Fuel Pump Failures -
In certain cases, owners have experienced failures with the high-pressure fuel pump, resulting in engine misfires and poor acceleration. This issue may be attributed to faulty fuel injectors or contaminated fuel. Timely inspection and replacement of fuel system components are crucial to avoid such problems.

Oil Dilution -
Some OM654 engine owners have reported oil dilution, where fuel can seep into the engine oil, leading to increased viscosity and potential engine damage. Regular oil changes and monitoring the oil level are essential preventive measures.

Turbocharger and EGR Valve Concerns -
Instances of turbocharger failures and EGR (Exhaust Gas Recirculation) valve malfunctions have been observed in a few OM654 engines. These issues can result in reduced engine power and increased emissions. Proper maintenance, including regular cleaning and inspection, can help prevent these problems.

The Mercedes-Benz Engine OM654 is a remarkable piece of engineering, offering efficiency, performance, and durability. By understanding the different versions and common problems associated with this engine, you can make informed decisions regarding maintenance and troubleshooting. Remember to follow recommended service intervals and consult with qualified professionals for any concerns you may have. For more technical articles, expert advice, and industry updates, visit and follow our blog
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Drive with confidence and enjoy the exceptional performance of your Mercedes-Benz vehicle powered by the OM654 engine.

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