MERCEDES-BENZ OM656 3.0 INLINE-6 DIESEL ENGINE – 287 HP | ENGINE CODE 656.929 | COMPLETE OEM ENGINE | 2021
This Mercedes-Benz OM656 3.0L inline-six turbo diesel engine is a next-generation power unit engineered for maximum efficiency, smooth performance, and long-term reliability. Built to meet modern emissions standards while delivering strong torque and refined driving dynamics, the OM656 is one of Mercedes-Benz’s most advanced diesel engines to date.
Engine Specifications:
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Engine Code / ID: 656.929 / 656929
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Engine Type: 3.0L Inline-6 Turbo Diesel (OM656)
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Power Output: 287 HP
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Mileage: 30,181 km
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Year of Manufacture: 2021
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Condition: Complete original OEM engine, low mileage, fully tested and ready for installation
Compatible Mercedes-Benz Models:
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Mercedes E-Class W213
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Mercedes GLE
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Mercedes S-Class W222
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Other Mercedes models equipped with OM656 engines (fitment confirmation recommended)
The OM656 engine features advanced twin-cam design, high-pressure common-rail injection, aluminum engine construction, and modern emissions technology, providing excellent fuel economy, quiet operation, and strong low-end torque. Its inline-six layout ensures smoother power delivery compared to traditional V6 diesel engines.
Why Choose This Mercedes OM656 Engine?
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287 HP Inline-6 Diesel Performance: Strong torque with refined operation
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Very Low Mileage: Extended engine lifespan
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OEM Mercedes-Benz Engineering: Factory-original quality and reliability
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Modern Emissions Compliance: Suitable for international markets
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High Market Demand: Excellent replacement and export value
This engine assembly is sold complete, making it ideal for direct replacement, professional workshops, fleet maintenance, or international shipping. It is a cost-effective solution for restoring factory performance without the expense of a brand-new engine.
Ideal For:
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Mercedes-Benz E-Class, GLE, and S-Class owners
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Mercedes specialist repair shops
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Diesel engine rebuilders and exporters
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Fleet and luxury vehicle operators
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Wholesale and pallet liquidation buyers
The Mercedes-Benz OM656 3.0 inline-six diesel engine delivers the perfect balance of power, efficiency, and modern engineering, making it one of the most desirable diesel engines for today’s premium Mercedes vehicles.


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