Mercedes W204 Engine 651913 Bare C 200 CDI BlueEFFICIENCY 651.913 WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Mercedes W204 Engine 651913 Bare C 200 CDI BlueEFFICIENCY is an original power unit from the OM651 family, designed for Mercedes diesel vehicles. The four-cylinder construction provides a balanced compromise between dynamics and economy, and the unit's mileage is suitable for further intensive operation after proper installation.

Specifications and technical data

• SKU: A6510100345
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510100345
• Substitutable numbers: A6510100345, A 651 010 03 45, A6510106407, A6510100543, A 651 010 05 43, A6510102617, A6510100045, A6510106548, A 651 010 65 48, A6510101711
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the OM651 engine

The presented engine belongs to a modern family of diesel units from Mercedes, designed with efficiency and durability in mind. The four-cylinder layout ensures smooth operation, high refinement, and favorable fuel consumption under typical road conditions. Diesel fuel type allows for high torque at low and medium RPMs, which translates into efficient acceleration and comfortable driving both on the highway and in the city.

The OM651 family engine is a popular choice both for standard power unit replacement and for professional post-accident repairs, where maintaining factory performance characteristics and compatibility with vehicle electronics is crucial.

Purpose and application in the Mercedes W204

The unit was developed for installation in W204 series models, which means full compatibility with the factory engine bay architecture, mounts, and accessories intended for this generation. This allows for the preservation of original driving parameters and proper interaction with control, diagnostic, and safety systems.

The engine from this series is particularly valued in vehicles used intensively – fleet, company, and private cars – where predictable behavior, stable operation under a wide range of loads, and the ability to service based on well-known technical solutions are important.

Benefits of choosing a used Mercedes engine

Purchasing a used engine from the OM651 family is a solution that significantly reduces repair costs compared to a brand-new unit, while maintaining the manufacturer's original design. The Engines category includes key components for vehicle operation, which is why choosing an original Mercedes unit is a sensible investment in the vehicle's continued operation.

A used diesel engine of this generation, with proper installation and adequate maintenance, can provide long and stable operation. The four-cylinder architecture favors lower maintenance costs compared to more complex multi-cylinder units, and the wide availability of consumables facilitates subsequent inspections and repairs.

Selection by numbers and vehicle compatibility

Engines from the OM651 family come in many variants, so when selecting the right unit for a specific W204 vehicle, it is crucial to compare vehicle data, engine codes, and reference numbers. Proper matching guarantees correct cooperation with the electrical system, engine control unit, and accessories.

To better understand how to safely choose used power units and gearboxes, it is worth reading our expert guide describing facts and myths about such components, selection procedures based on VIN and OEM numbers, and sample cost calculations: Why it is worth buying used gearboxes and engines – facts instead of myths.

Condition, mileage, and operational potential

The offered engine is a used component, which in practice means it has already completed a specific duty cycle in a vehicle, but can still serve as a solid base for further operation. Information about the mileage allows you to assess the unit's potential in the context of the intended vehicle usage and projected service intervals.

Before installation, standard preparatory activities are recommended, such as replacing consumables, checking seals, and verifying accessories, to fully utilize the unit's capabilities and minimize the risk of unplanned vehicle downtime.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as blocks, cylinder heads, or complete power units, check the available parts in the Mercedes Engines category.

For drivers who want to learn more about the secondary market and the most frequently chosen original components for popular car models, our guide to used components may be helpful: Best used car parts – a guide to the most frequently chosen original parts.