Mercedes W470 X470 250 d Bare Engine 699303 699.303 190HP 29k 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 W470 X470 250 d Bare Engine 699303 699.303 190HP 29k miles, WARRANTY is a factory-made diesel engine block prepared for further installation in Mercedes pick-up class vehicles. This used, complete block with cylinder head provides a solid foundation for professional engine repair, allowing for the restoration of factory performance parameters. It is an ideal solution for workshops and users looking for a technically verified foundation for the subsequent installation of engine accessories.

Specifications and technical data

• SKU: A6990103000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6990103000
• Substitutable numbers: A6990103000, A 699 010 30 00, A6990104100, A 699 010 41 00
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 699303
• Mileage: 29 000

Technical characteristics of the engine block

The presented engine block belongs to the Engines category and is designed for a diesel unit. The four-cylinder construction ensures a favorable compromise between smooth operation, flexibility, and fuel economy. The engine code allows for precise identification and selection of compatible accessories, wiring harnesses, and the ECU for a specific vehicle model.

A bare engine block means you receive the base, mechanical part of the powertrain – the block with the cylinder head – prepared for transferring accessories from your previous engine or installing new components. This configuration is particularly beneficial for repairing severe mechanical damage where regenerating the old block is unprofitable or technically risky.

Application in Mercedes W470 / X470 250 d

The engine has been designed for use in Mercedes W470 / X470 models in the 250 d version, which facilitates fitting to factory mounting points, the drivetrain, and the electrical system. By maintaining the original architecture of the powertrain, it is possible to restore factory performance and operating characteristics without the need for structural modifications to the vehicle.

A diesel unit with this configuration performs well in commercial vehicles, where stable operation under load, predictable throttle response, and the possibility of long-term operation in variable conditions are essential. It is a practical solution for both fleets and individual users who need a reliable, working vehicle.

Benefits of choosing a used engine block

Choosing a used engine block is often the most economically rational form of powertrain repair. Instead of a costly, multi-stage regeneration of a damaged block, you can use a complete mechanical base onto which proven accessories are transferred. This allows for reduced vehicle downtime and limits the risk of additional faults resulting from deep interference with a worn-out engine.

An additional advantage is the ability to maintain the original equipment configuration – after transferring the accessories, wiring, and ECU, the car retains its previous functions, and the adaptation process is limited to standard workshop procedures. This solution is particularly valued by services specializing in the Mercedes brand, where repeatability and predictability of the repair result are paramount.

To better understand the differences between buying a new unit and choosing a used engine, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. The article discusses, among other things, selection procedures based on identification numbers and cost ratios compared to new components.

Practical installation tips

When installing a bare engine block, standard service procedures are recommended, such as checking the lubrication system, verifying the condition of accessories transferred from the old unit, and using new consumables in accordance with the vehicle manufacturer's recommendations. Professional installation in a specialized workshop minimizes the risk of subsequent leaks and starting problems.

Due to the specific design of diesel units, it is particularly important to properly bleed the fuel system, check the cooling system, and correctly set the timing in accordance with service documentation. An engine prepared in this way can ensure long and stable operation in demanding operating conditions.

Expanding repairs within the powertrain

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 additional engine blocks, short blocks, or other engine variants, check the available parts in the Mercedes Engines category.