Mercedes-Benz E-Class W211 270CDI 177HP Complete Engine OM647 647.961 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-Benz E-Class W211 270CDI 177HP Complete Engine OM647 647.961 WARRANTY is a factory-spec diesel unit prepared as a ready-to-install powertrain assembly. Thanks to its completeness and verified configuration for the specific 270 CDI version, it serves as a solid foundation for professional repair or engine replacement in this model.

Specifications and technical data

• SKU: A6470104400-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6470104400
• Substitutable numbers: A6470104400, A 647 010 44 00, A6470104600, A 647 010 46 00
• Fuel type: Diesel
• Number of cylinders: 5
• Category: Engines
• Mileage: 59 000

Technical characteristics of the OM647 647.961 engine

The presented engine belongs to the Engines category and is designed for a diesel-powered drivetrain. The five-cylinder OM647 647.961 diesel construction is known for its refinement, reasonable fuel consumption, and stable torque characteristics, which translates into a comfortable and predictable driving experience in the Mercedes E-Class W211.

The unit was designed for long-term operation in premium-class vehicles, making it well-suited for both daily use and fleet applications. The use of five cylinders in an inline configuration provides a favorable compromise between dynamics, flexibility, and mechanical durability.

Purpose and compatibility

The engine is dedicated to the Mercedes-Benz E-Class W211 270 CDI version with 177 HP, which facilitates the selection of the correct unit when replacing a damaged powertrain. By maintaining the original factory specifications, it is possible to restore the vehicle's original performance parameters without the need for modifications to the installation or auxiliary components.

In practice, this means that with proper selection based on the VIN and part numbers, a high level of compatibility with the existing electrical harness, engine control unit, and drivetrain can be achieved. This solution is particularly beneficial for workshops specializing in the Mercedes brand, where repeatability and predictable installation time are key.

Condition, mileage, and benefits of purchasing a used engine

The offered unit is a used engine, which allows for a significant reduction in repair costs compared to purchasing a new powertrain assembly. The declared mileage of the engine is relatively low for this generation of diesel units, which increases the potential for further operation with proper maintenance.

Purchasing a complete, used OEM engine for a Mercedes W211 is a sensible solution for users who want to restore the vehicle to full efficiency while maintaining the original powertrain characteristics. A properly selected unit helps reduce vehicle downtime in the workshop and minimizes the risk of auxiliary component compatibility issues.

To better understand the advantages of such a solution, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, VIN/OEM selection procedures and real cost differences.

Practical application and installation recommendations

The OM647 647.961 engine is suitable for both standard replacement of a damaged unit and comprehensive powertrain renovation in a Mercedes E-Class W211. It is recommended that the installation be carried out by a workshop with experience in Mercedes CDI units, which facilitates proper bleeding of the fuel system, leak checks, and verification of cooperation with the vehicle's existing electronics.

Before installation, it is worth planning basic service activities, such as replacing filters, engine oil, and checking auxiliary components, which increases operational safety after replacement. This allows the complete engine to be put into service in the most trouble-free way possible, and the user gains predictable car behavior in daily use.

Expanding repairs in the drivetrain area

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 powertrain assemblies, check the available parts in the Mercedes Engines category.

For larger repair or renovation projects, the guide on planning purchases in one place may also be helpful: comprehensive one-stop-shop supply of used car parts, which describes how to effectively assemble a complete package of components for vehicle repair, avoiding random, low-quality replacements.