Mercedes-Benz W169 A160 A 160 CDI 82HP OM640 Bare Engine 640.942 640942 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-Benz W169 A160 A 160 CDI 82HP OM640 Bare Engine is a factory diesel unit from the OM640 family, designed for the A-Class W169 series models. Its moderate mileage and four-cylinder construction make it an attractive base for a professional engine replacement in Mercedes vehicles with this engine code, ensuring consistency with the original powertrain architecture and vehicle electronics.

Specifications and technical data

• SKU: A6400104744
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6400104744
• Substitutable numbers: A6400104744, A 640 010 47 44, A6400100344, A 640 010 03 44, A6400104944, A 640 010 49 44, A6400104002
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 640942
• Mileage: 56 900

Technical characteristics of the OM640 unit

The presented engine belongs to the Engines category and represents a family of modern Mercedes diesel units, designed for economical yet dynamic driving. The use of diesel fuel combined with a four-cylinder design provides a favorable compromise between refinement, flexibility, and operating economy in both urban and extra-urban traffic.

The engine code assigned to this unit allows for precise identification in the manufacturer's catalogs and in VIN and OEM parts selection systems. This makes it easy to verify compatibility with a specific version of the Mercedes A-Class, which minimizes the risk of errors when planning a powertrain replacement.

Application in Mercedes W169 A160 CDI

Mercedes-Benz W169 A160 A 160 CDI 82HP OM640 Bare Engine has been developed specifically for the compact A-Class platform, where the unit's dimensions, weight, and installation method are crucial. The engine design works with factory auxiliary systems, control units, and drivetrain components, which facilitates installation in place of a worn or damaged unit.

The moderate mileage of this unit is a significant advantage when planning long-term vehicle operation after an engine replacement. For workshops and end-users, this means potentially lower maintenance requirements compared to units with significantly higher mileage, while maintaining the original manufacturer's specifications.

Benefits of choosing a used Mercedes engine

Choosing a used engine from the OM640 family for a Mercedes A-Class allows for significant repair cost savings compared to purchasing a brand-new unit, while maintaining compliance with the vehicle's original design. The original Mercedes construction ensures proper fitment to factory mounting points, cooling, intake, and exhaust systems, which shortens installation time and reduces the need for modifications.

The four-cylinder diesel engine is valued for its stable torque characteristics in the low and medium RPM ranges, which translates into comfortable driving in everyday conditions. For the user, this means predictable vehicle behavior, good flexibility, and the ability to maintain reasonable fuel consumption while retaining adequate dynamics.

Professional selection and verification by VIN/OEM

To maximize the potential of this unit, it is worth verifying compatibility using the vehicle's VIN and OEM/interchangeable part numbers before purchase. This facilitates matching the engine to a specific equipment configuration, power version, and installed accessories. Proper selection reduces the risk of issues with electronics, the engine control unit, and the fuel system after installation.

For users and workshops who want to deepen their knowledge about the cost-effectiveness of purchasing used power units and the procedures for their selection, the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths will be helpful, describing, among other things, practical aspects of working with OEM engines, cost analysis, and the most common myths regarding the secondary market.

Expanding powertrain modernization

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as additional power units, engine blocks, or complete powertrain assemblies, check the available parts in the Mercedes Engines category.

This allows you to select consistent powertrain components in one place, which facilitates planning a major overhaul, engine swap, or preparing the vehicle for further operation in fleet or private conditions. Relying on original Mercedes solutions promotes the maintenance of predictable operating parameters and facilitates subsequent service maintenance.