Mercedes W177 A 200 d Complete Engine 654920 654.920 150HP 29k miles, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Mercedes W177 A 200 d Complete Engine 654920 654.920 150HP 29k miles, WARRANTY is a complete powertrain unit from the modern diesel family, designed for installation in the A-Class W177 generation. It is a solution for users who expect a proven design, high combustion efficiency, and compliance with Mercedes factory standards. Thanks to the engine's complete state, it serves as a solid foundation for professional repair or powertrain replacement.

Specifications and technical data

• SKU: A6540104902-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6540104902
• Substitutable numbers: A6540104902, A 654 010 49 02, A6540102100, A 654 010 21 00, A6540101004, A 654 010 10 04, A6540100410, A 654 010 04 10, A6540100810, A 654 010 08 10, A6540105106, A 654 010 51 06
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: 654920
• Mileage: 29 000

Technical characteristics of the powertrain unit

The presented engine belongs to the Engines category and represents a modern diesel design developed by the Mercedes engineering department. The unit was designed as a four-cylinder diesel, which provides a favorable compromise between refinement, curb weight, and performance potential. The use of advanced injection technology and modern block and cylinder head architecture allows for 150 HP while maintaining reasonable fuel consumption.

The engine with the factory code 654920 is known for its good flexibility in the low and medium RPM range, which translates into efficient acceleration in city traffic and on the highway. The modern turbocharging system and optimized geometry of the intake and exhaust ports support efficient cylinder filling, and thus, stable torque characteristics.

Purpose and compatibility with Mercedes W177 A 200 d

The Mercedes W177 A 200 d uses this unit as a key element of the drivetrain, ensuring dynamic yet economical driving. The engine was developed to work with modern transmissions and powertrain management systems used in current generations of Mercedes vehicles. This allows for integration with factory electronics, safety systems, and driver assistance systems.

A diesel unit of this type is particularly valued in applications where long-term operation with stable performance parameters is important. The four-cylinder inline layout promotes even loading of mechanical components, which, combined with proper maintenance, allows for predictable engine behavior in the long term.

Benefits of choosing a complete diesel engine

Choosing a complete diesel engine for the Mercedes A-Class W177 is a solution that facilitates the repair process and reduces vehicle downtime. Instead of extensive regeneration of many components, a ready-to-install unit is used, which simplifies logistics and reduces the risk of component incompatibility. For workshops, this means a more predictable service turnaround time, and for the user – a faster return of the car to full functionality.

A diesel-powered engine is a good choice for drivers covering higher annual mileages, where stable torque characteristics and favorable fuel consumption are important. The four-cylinder architecture also facilitates easier service access to many auxiliary components, which can simplify subsequent maintenance work.

Condition, mileage, and practical application

The offered engine comes from a Mercedes vehicle and is a used unit, which in practice means an attractive compromise between purchase cost and functionality. The declared mileage allows this unit to be classified as an example with a relatively low degree of operational wear compared to typical values for diesel engines of this generation. For workshops and users planning a powertrain replacement, this is an opportunity to use an engine with remaining operational life.

The engine will work well both in the event of a failure of the current unit and for modernization projects where the goal is to restore the vehicle to full efficiency while maintaining the manufacturer's original specifications. Thanks to its completeness, it is possible to reduce the number of additional elements that need to be sourced separately, which simplifies the entire installation process.

Support with selection and additional materials

When selecting a powertrain unit for a specific vehicle configuration, it is crucial to verify compatibility with factory markings and control parameters. In case of doubt, it is worth consulting a service center or a specialized workshop that will confirm the engine's compatibility with the given version of equipment and vehicle software. For users interested in the broader context of operating modern diesels and potential repair costs, a blog article dedicated to problematic powertrain units in another popular model may be helpful, available here: Faulty BMW E90 engines – a guide before a costly purchase.

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