Mercedes W213 E 350 d Bare Engine 642855 642.855 258HP with 79k 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 W213 E 350 d Bare Engine 642855 642.855 258HP with 79k miles, WARRANTY is a used, complete block with cylinder heads designed for a modern premium-class diesel engine. The bare engine serves as a solid foundation for a professional powertrain rebuild, allowing for the transfer of accessories from your existing engine while maintaining factory performance characteristics. This solution is particularly beneficial in cases of severe mechanical damage, where repairing the existing block is not cost-effective.

Specifications and technical data

• SKU: A6420108807
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420108807
• Substitutable numbers: A6420108807, A 642 010 88 07
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: 642855
• Mileage: 79 000

Technical specifications of the engine block

The presented engine block belongs to the Engines category and is designed for a six-cylinder V-type diesel unit. This configuration ensures high refinement, good mechanical balance, and an adequate torque reserve, which is important for both highway driving and daily use. The engine code allows for precise identification of the design version and matching it to a specific vehicle configuration.

The unit is prepared as a bare engine, which means it comes without accessories (turbo, injectors, wiring, auxiliary equipment), but retains the core engine structure – block, cylinder heads, crankshaft, and essential mechanical components. This form facilitates the transfer of proven accessories from your previous engine, reducing costs and the risk of equipment incompatibility.

Purpose and application in Mercedes W213 E 350 d

The engine was designed to work with the powertrains used in the Mercedes W213 E 350 d model, where high flexibility, economy, and durability are prioritized. The six-cylinder diesel design fits well with the character of the E-Class sedan, ensuring smooth acceleration and stable operation at higher RPMs.

The offered engine block is particularly recommended in situations where there has been mechanical damage to the block, cracking, seizing, or other major failures that would be uneconomical to repair. Replacing it with a complete engine block helps reduce vehicle downtime, simplifies the repair process, and preserves the factory parameters of the unit after the accessories are transferred.

Benefits of choosing a used engine block

Choosing a used engine block for a Mercedes allows for a significant reduction in repair costs compared to purchasing a new unit, while maintaining a high level of operational safety. Key advantages of this solution include:

• the ability to use existing, proven engine accessories,
• preservation of the original powertrain specification,
• shorter repair time compared to a full rebuild of a damaged block,
• more predictable service costs.

Additionally, a used engine block allows for a flexible approach to further maintenance – it can be combined with the refurbishment of selected accessory components, adjusting the scope of work to the user's budget and expectations.

Selection, verification, and installation aspects

Before purchasing, it is recommended to precisely match the unit based on the vehicle's VIN and engine code to avoid design differences between individual versions. The professional workshop performing the installation should verify the compatibility of mounts, lubrication, and cooling systems, as well as plan the transfer of accessories from the previous engine.

During installation, it is worth considering:

• replacing consumables (oil, filters, coolant),
• checking the condition of the clutch or torque converter (depending on the transmission type),
• verifying the tightness of the intake and exhaust systems,
• updating the engine control unit software, if required by the manufacturer.

To better understand how to safely choose used powertrains and what to look for when selecting by VIN or part numbers, it is worth reading our expert guide: Why it is worth buying used transmissions and engines – facts instead of myths.

Further upgrades within the powertrain

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 additional engine blocks, short blocks, or complete powertrain units, check out the available parts in the Mercedes Engines category.