Mercedes W176 W246 200 CDI Complete Engine 651930 651.930 22k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

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

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mercedes W176 W246 200 CDI Complete Engine is an original power unit from the Engines category, designed for Mercedes A-Class and B-Class compact models with a diesel engine. The used engine block ensures factory performance characteristics, and the low mileage translates into stable operating parameters and a high durability reserve.

Specifications and technical data

• SKU: A6510105718-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510105718
• Substitutable numbers: A6510105718, A 651 010 57 18, A6510105618, A 651 010 56 18
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 23 000

Technical characteristics of the unit

The presented engine belongs to the modern family of Mercedes diesel units, designed for efficiency and refinement in compact cars. The four-cylinder construction promotes the balancing of rotating masses, which reduces vibration and improves driving comfort.

The unit runs on Diesel fuel, which ensures favorable fuel consumption and high torque in the low and medium RPM range. This characteristic is particularly valued in daily urban and extra-urban driving, where flexibility and predictable throttle response are essential.

Application and vehicle compatibility

The engine was developed for compact Mercedes models, such as the W176 and W246 series, in the 200 CDI version. As a result, it fits perfectly into the engine bay architecture of these vehicles, maintaining compatibility with factory mounting points and the accessory layout intended for this generation of diesel units.

It is recommended to base the selection of the appropriate engine on verification via VIN and part numbers to ensure full compatibility with the vehicle's electronics, wiring harness, and accessories. A properly selected unit helps reduce installation time, avoids the need for installation modifications, and maintains the factory operating parameters of the powertrain.

Condition, mileage, and benefits of purchasing a used engine

The offered engine is a used component, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The declared mileage is low for a diesel engine, which translates into less wear on internal components and greater potential for further operation.

Purchasing a used engine from the CDI family is a cost-effective solution, especially in the event of major power unit failures. In many cases, the total cost of replacing it with a complete engine block is lower than a comprehensive overhaul of a damaged engine, while maintaining the manufacturer's original specifications.

To better plan your investment and learn about the differences between overhauling and replacing with a used unit, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection procedures based on VIN/OEM and cost ratios with practical examples.

Why choose this Diesel engine

The 200 CDI diesel unit offers a combination of fuel economy, good torque, and durability, making it an attractive choice for both daily driving and more intensive fleet use. The four-cylinder architecture facilitates servicing, and the wide availability of consumables allows for efficient maintenance of the engine in proper technical condition.

In practice, this means:

• stable operation under a wide range of loads,
• favorable fuel consumption typical of modern Diesel units,
• good service availability in independent workshops specializing in the Mercedes brand.

Expansion and other Mercedes Engines

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