Mercedes C209 CLK 220 CDI Bare Engine 646966 646.966 with 82k miles, 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 C209 CLK 220 CDI Bare Engine 646966 646.966 with 82k miles, WARRANTY is a used power unit from the family of Mercedes four-cylinder diesel engines, designed for CLK models with the 220 CDI designation. This is a solution for users looking for a technically matched, verified engine block that will restore full efficiency to the drivetrain while maintaining reasonable service costs. By maintaining the factory specification, the engine remains compatible with the vehicle's original installation.

Specifications and technical data

• SKU: A6460106347
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6460106347
• Substitutable numbers: A6460106347, A 646 010 63 47
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Mileage: 59 000

Technical characteristics of the power unit

The presented engine belongs to the Engines category and was designed as a four-cylinder diesel unit, which ensures a good balance between refinement and operating economy. The cylinder configuration and the use of diesel fuel promote stable torque in typical RPM ranges, which is particularly important in daily driving and during dynamic acceleration.

The four-cylinder layout, combined with the modern design of the CDI family, allows for efficient fuel utilization while maintaining appropriate mechanical durability. The engine has been developed to work with Mercedes' factory control systems and auxiliary equipment, which facilitates integration with the vehicle's electronics.

Purpose and fitment for Mercedes C209 CLK 220 CDI

Mercedes C209 CLK 220 CDI Bare Engine 646966 646.966 with 82k miles, WARRANTY is structurally adapted to the engine bay of the C209 generation CLK model in the 220 CDI version. This means maintaining the correct mounting points, compatibility with factory engine mounts, intake, exhaust, and cooling systems. As a result, installation proceeds in an orderly manner, without the need for structural modifications to the bodywork.

The unit is prepared to work with the original wiring harnesses and the engine control unit intended for this powertrain version. Such fitment reduces the risk of communication issues within the vehicle's network, facilitates computer diagnostics, and allows for the preservation of factory operating parameters after proper installation and adaptation.

Benefits of choosing a used Mercedes engine

Choosing a used engine from the CDI family for a Mercedes allows for a significant reduction in repair costs compared to purchasing a brand-new unit, while maintaining high functionality. This type of solution is particularly beneficial in cases of serious mechanical failure, where regenerating the existing engine would be unprofitable or time-consuming.

The main advantages of such a unit include:

• preservation of the original operating characteristics intended by the vehicle manufacturer,
• compatibility with factory equipment and auxiliary systems,
• possibility of faster vehicle restoration compared to a full rebuild of an old engine,
• attractive ratio of purchase cost to potential operational mileage.

For users who want to better understand the differences between new and used power units and learn about selection procedures based on identification numbers, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, the technical and economic aspects of such service decisions, will be helpful.

Installation and operational aspects

When installing this unit in a Mercedes CLK C209, it is recommended to perform standard service procedures, such as replacing consumables and checking the cooling system, intake, and connection tightness. This allows for minimizing the risk of subsequent leaks and ensuring stable engine operating conditions from the first start.

The four-cylinder diesel engine performs well in both city driving and on the highway, offering predictable torque characteristics. Proper service maintenance – regular oil and filter changes, as well as care for the fuel system – is crucial for maintaining the operating parameters and longevity of the unit.

Drivetrain expansion for the Mercedes brand

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 long blocks, check the available parts in the Mercedes Engines category.

Summary

The described CDI family engine for the CLK C209 220 CDI model is a solution for drivers who expect a technically matched, four-cylinder diesel unit that allows for the restoration of full drivetrain functionality. The combination of a design developed by Mercedes with properly performed installation and service provides a solid foundation for further, predictable vehicle operation while maintaining favorable repair costs.