Mercedes GLC X253 W213 C238 350 d Bare Engine 642873 642.873 258HP 89k, 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 GLC X253 W213 C238 350 d Bare Engine 642873 642.873 258HP 89k, WARRANTY is an original, used V6 engine block from the power unit family, designed for modern mid-range and premium Mercedes models. This solution is for users who want to restore the full performance of their vehicle while maintaining factory operating characteristics and consistency with the factory powertrain architecture. The bare engine block provides a solid foundation for further assembly with accessories that meet the requirements of a specific vehicle configuration, allowing for precise and controlled engine rebuilding.

Specifications and technical data

• SKU: A6420109007
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6420109007
• Substitutable numbers: A6420109007, A 642 010 90 07
• Fuel type: Diesel
• Number of cylinders: 6
• Part type: Engine Long Block
• Category: Engines
• Engine code: 642873 642.873
• Mileage: 89 000

Technical characteristics and intended use

The presented engine block belongs to the Engines category and represents a modern V6 diesel unit used in Mercedes GLC, E-Class models, and E-Class coupe versions. The six-cylinder design ensures high refinement, good flexibility across the entire rev range, and stable performance parameters with proper maintenance. The engine is designed for diesel fuel, which in practice means favorable fuel consumption while maintaining high torque, which is particularly important in heavier SUV and sedan bodies. The bare engine block serves as a foundation for transferring existing accessories from a damaged unit or using components selected according to the manufacturer's specifications.

Engine block construction and assembly potential

As a bare engine block, the product includes the essential part of the power unit without additional accessories, which facilitates matching it to a specific vehicle equipment configuration. This form is particularly beneficial for professional repairs, where a mechanic transfers proven auxiliary components from the previous engine or installs new ones in accordance with service documentation. A solution of this type allows for:

• quality control of every installed accessory component,
• customizing the configuration to the requirements of a specific model and year,
• optimizing repair costs by utilizing existing, functional sub-assemblies. Thanks to this, the engine block is an attractive base for both standard rebuilding and more advanced service projects where the ability to precisely match components is essential.

Performance parameters and practical application

The unit belongs to the popular V6 diesel engine family in the Mercedes range, which translates into wide availability of accessories, service documentation, and expertise from workshops specializing in this brand. The declared catalog power in the 350 d version ensures dynamic acceleration, comfortable highway driving, and an appropriate power reserve under full vehicle load. The engine will perform well in vehicles used on a daily basis, where performance repeatability and predictable powertrain behavior are important. The used nature of the product, while maintaining proper assembly and diagnostic procedures, allows for a significant reduction in repair costs compared to a brand-new unit, while retaining the manufacturer's original design.

VIN/OEM matching and professional support

Due to the specific nature of modern Mercedes units, it is crucial to correctly match the engine block to a specific vehicle. It is recommended to use matching by VIN and catalog numbers to ensure full compatibility with electronics, accessories, and engine control unit software. Proper selection minimizes the risk of starting problems, controller errors, or improper operation of cooperating systems. For users who want to deepen their knowledge about the cost-effectiveness of purchasing used power units, verification procedures, and matching by VIN and catalog numbers, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths will be useful. The article discusses, among other things, costs, common myths, and practical tips regarding the purchase.

Application in repair projects and vehicle restoration

The Mercedes V6 diesel bare engine block fits well into comprehensive car restoration projects, both in a professional service environment and in an advanced garage project where work is carried out in stages. This allows for spreading costs over time and conscious planning of replacing accessories, seals, and wear-and-tear items. For those planning a broader car renovation using dismantled parts, the guide on building a daily driver, available in the article Garage project: how to cheaply rebuild your "daily" using proven dismantled parts, may be helpful. You will find practical tips on planning work, the scope of activities that can be performed independently, and the principles of safe tuning. If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as blocks, cylinder heads, or complete power units, check the available parts in the Mercedes Engines category.