Mercedes W176 W246 CLA C117 180 200 CDI Bare Engine 651.901 651901 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 W176 W246 CLA C117 180 200 CDI Bare Engine 651.901 is a used, factory-original engine block from the Mercedes diesel engine family, designed for compact models with diesel powertrains. The bare engine base provides a solid foundation for professional repair or a complete engine rebuild, allowing you to maintain original performance characteristics and compliance with factory specifications. It is a practical solution for workshops and users who want to replace a damaged block while retaining control over the engine accessories.

Specifications and technical data

• SKU: A6510106110
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6510106110
• Substitutable numbers: A6510106110, A 651 010 61 10, A6510107216, A6510105918, A6510106018, A 651 010 60 18, A6510107116, A 651 010 71 16
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 651901
• Mileage: 99 000

Technical characteristics of the engine block

The presented engine block belongs to the Engines category and represents a modern, four-cylinder diesel construction from Mercedes. The unit is prepared in a bare block configuration, meaning it serves as a base for further assembly with accessories compatible with the specific vehicle model. This format allows for precise matching of existing components, such as the fuel injection system, turbocharging, or auxiliary equipment, in accordance with the requirements of a specific 180 CDI or 200 CDI version.

The engine belongs to a family of modern diesel units designed for combustion efficiency and smooth operation. The four cylinders provide a balanced compromise between dynamics and economy, which is particularly important in compact and mid-size cars such as the Mercedes W176, W246, or CLA C117.

Application in Mercedes models

The bare engine block is intended for installation in popular Mercedes compact models, in 180 CDI and 200 CDI versions. Thanks to this, it is suitable both for repairing units used in city traffic and for cars covering longer distances. Using an original engine base allows for the preservation of factory mounting points, geometry, and compatibility with factory control systems.

This type of diesel unit is frequently chosen by workshops specializing in the Mercedes brand because it enables the restoration of original engine performance parameters while utilizing proven accessories from the customer's vehicle. This solution reduces the risk of fitment issues and facilitates engine control unit configuration.

Benefits of choosing a used diesel block

Purchasing a used diesel engine block is a reasonable alternative to the costly regeneration of an entire unit or investing in a new complete engine. By choosing a base from original Mercedes production, you gain:

• the ability to maintain factory quality and construction of the powertrain,
• control over the selection of accessories and their wear level,
• flexibility in configuration for a specific model and trim level,
• reduction of repair costs while maintaining a high level of reliability.

For many users and service centers, it is crucial that the used engine block allows for a staged rebuild of the unit – first replacing the base, then installing and potentially regenerating selected accessory components. Such a process facilitates repair budget planning and matching the scope of work to the actual needs of the vehicle.

To better understand the differences between purchasing a new versus a used unit and to learn practical tips on selecting parts by identification numbers, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths.

Purpose, installation, and selection

The bare engine block from the CDI family is particularly recommended in situations where there has been serious mechanical damage to the block or the crankshaft-piston system, while the accessories remain in a condition suitable for further operation after verification. Such a scenario often occurs in cases of seizure, block cracking, or other failures requiring the replacement of the engine base.

When selecting a block for a specific Mercedes vehicle, it is recommended to verify compatibility with the vehicle documentation and factory configuration. A professional workshop, using the car's identification data, is able to efficiently assess compatibility and plan the installation. Thanks to this, the replacement process proceeds predictably, and the risk of component mismatch is minimized.

Expanding repairs within 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 other engine blocks, check out the available parts in the Mercedes Engines category.