Mercedes W166 ML 250 Bare Engine 651960 651.960 4Matic 53k, 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 W166 ML 250 Bare Engine 651960 651.960 4Matic 53k, WARRANTY is a used, complete engine block in a bare engine configuration, designed for installation in the W166 generation ML 250 model with 4Matic drive. This is a solution for users and workshops looking for a factory-matched powertrain unit with a verified history and a reliable base for further component assembly.

Specifications and technical data

• SKU: A6510103201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510103201
• Substitutable numbers: A6510103201, A 651 010 32 01, A6510103906, A 651 010 39 06
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 651960
• Mileage: 53 000

Technical characteristics of the engine block

The offered engine block belongs to the Engines category and is intended for Mercedes W166 series vehicles in the ML 250 version with 4Matic drive. The unit runs on diesel fuel, which ensures the flexibility, economy, and high durability characteristic of this design when properly maintained. The use of four cylinders (inline) translates into smooth operation, favorable mechanical load distribution, and stable parameters across the entire rev range.

The engine is supplied as a bare block, meaning it serves as a solid foundation for transferring components from the previous unit – a particularly cost-effective solution for post-accident repairs or major overhauls. The engine code allows for precise identification and matching to the specific vehicle equipment version.

Purpose and application in the Mercedes W166 ML 250 4Matic

This engine block is dedicated to installation in the Mercedes ML 250 W166 with 4Matic drive, where maintaining structural compliance with the factory powertrain is crucial. By preserving the correct cylinder configuration and parameters characteristic of this unit, the engine serves as the proper base for:

• restoring factory vehicle performance after an engine failure,
• professional repair in specialized service centers,
• modernization projects within the same engine family.

The used nature of the product allows for the optimization of repair costs while maintaining the original Mercedes design specifications, which is particularly important for premium class vehicles.

Benefits of choosing a used engine block

Choosing a used engine block for the Mercedes W166 ML 250 4Matic is a solution that combines rational repair costs with the preservation of the manufacturer's original technology. A unit with documented mileage allows for a better assessment of wear compared to anonymous replacements of unknown origin. The bare block allows for the use of existing components, which limits the number of parts requiring replacement and facilitates control over the entire service process.

Thanks to maintaining compliance with the factory engine code, the workshop has the ability to correctly select consumables, ECU software, and service procedures, which translates into stable operation of the unit after installation. This is especially important in modern diesel designs, where precision of fit has a direct impact on durability and operating parameters.

Selection by numbers and technical support

When selecting a used engine, it is crucial to use identification numbers and vehicle data to avoid structural discrepancies. For this unit, interchangeable numbers are available, which facilitates matching to the specific car configuration and verifying compatibility in service catalogs. It is worth consulting with a mechanic or technical advisor before purchasing to confirm compatibility with your specific ML 250 unit.

For users who want to deepen their knowledge about the cost-effectiveness of purchasing used powertrain units, the following expert guide will be useful: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection procedures based on OEM and VIN numbers and cost ratios compared to new components.

Mercedes engines – expansion and modernization of the powertrain

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