Mercedes W124 E 260 280 Complete Engine 103.940 103940 89k, 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 W124 E 260 280 Complete Engine 103.940 103940 89k, WARRANTY is a complete powertrain unit from the inline six-cylinder petrol engine family, designed for the classic Mercedes W124 model. This is a solution for users who expect a proven design, consistent powertrain operation, and convenient installation as a replacement for the factory engine.

Specifications and technical data

• SKU: A1039402211-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1039402211
• Substitutable numbers: A1039402211, A 103 940 22 11
• Fuel type: Petrol
• Number of cylinders: 6
• Category: Engines
• Mileage: 39 000

Technical engine characteristics

The presented engine belongs to the Engines category and represents a classic, inline six-cylinder design powered by petrol. This type of layout is valued for its smooth operation, stable power delivery, and predictable behavior across the entire rev range. The unit has been designed for harmonious integration with the Mercedes W124 drivetrain in E 260 and E 280 versions, ensuring mechanical and electrical consistency with the vehicle's factory configuration.

The petrol engine in this configuration is suitable for drivers who prefer linear power delivery, good throttle response, and simple maintenance typical of classic designs. The inline cylinder layout facilitates access to accessories and adjustment components, which is important during inspections and maintenance repairs.

Mileage and application in the Mercedes W124

The powertrain unit is intended for installation in Mercedes W124 models in E 260 and E 280 versions, where it can serve as a replacement for the factory engine or as a component to restore vehicle functionality after a major failure. The low, documented mileage of this unit is a significant advantage in terms of further operation – it means less wear on internal components and greater long-term performance potential.

A complete engine of this type is suitable both for standard powertrain replacement and for renovation projects where maintaining compliance with the original model specification is important. Due to its structural consistency with the W124, the need for additional installation modifications is minimized.

Condition, origin, and benefits of choosing a used engine

The offered engine is a used component, which allows for a significant reduction in repair costs compared to purchasing a new unit or undergoing an extensive rebuild. Original components retain their factory operating characteristics, and the completeness of the engine simplifies the installation process in the vehicle. This type of solution is particularly beneficial for owners of classic Mercedes cars who want to keep the vehicle as close to the factory technical configuration as possible.

For users considering the purchase of a used powertrain unit, we have prepared an expert guide describing facts and myths about such solutions, selection procedures based on identification numbers, and cost analysis – details can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Selection, compatibility, and installation aspects

To correctly select an engine for a specific version of the Mercedes W124, it is crucial to verify compatibility with the vehicle documentation and the powertrain unit markings. Proper selection ensures compatibility with existing accessories, fuel systems, cooling, and control systems. A complete engine limits the scope of additional adaptation work, which translates into shorter vehicle downtime in the workshop.

When planning the installation, it is worth considering the condition of other drivetrain components, such as the clutch, engine mounts, or exhaust system, to simultaneously optimize the durability of the entire powertrain. A consistent service approach allows for better utilization of the potential of the newly installed unit.

Expanding repairs in the powertrain area

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