Mercedes R171 W203 C209 Power Steering Pump Unit M272 A0054661601

The Mercedes R171 W203 C209 Power Steering Pump M272 is an original part from the Power Steering Pumps group, designed for the steering system of Mercedes vehicles with an M272 engine. This used OEM part ensures a factory fit, proper hydraulic system operating parameters, and stable power steering pressure, which translates to precise vehicle handling.

Specifications and technical data

• SKU: A0054661601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0054661601
• Substitutable numbers: A0054661601, A 005 466 16 01
• Part type: Power Steering Pump
• Category: Power Steering Pumps

Purpose and Role in the Steering System

The power steering pump in Mercedes R171, W203, and C209 models with the M272 engine is responsible for generating pressure in the hydraulic system, which assists the driver during maneuvering. A correctly selected pump:

• ensures smooth operation of the steering gear at low and high speeds,
• stabilizes steering force during sharp turns,
• reduces noise and vibrations in the power steering system,
• supports the durability of other hydraulic components.

Thanks to its construction conforming to factory Mercedes standards, this power steering pump maintains the proper steering system operating characteristics intended for the M272 engine.

Advantages of Using an Original Power Steering Pump

Using an original power steering pump in Mercedes R171, W203, and C209 models helps maintain the integrity of the entire steering system. Key benefits include:

• Factory Fit – compatibility with mounting points, hoses, and accessories of the steering system in Mercedes vehicles with an M272 engine.
• Consistent Operating Characteristics – maintaining the manufacturer-specified power assistance force and steering response.
• Optimal Interaction with Other System Components – the steering gear, fluid reservoir, and high-pressure hoses.
• Reduced Risk of Improper Installation typical for aftermarket parts with different geometry.

A used OEM pump is a sensible choice for repairs where maintaining original driving parameters is important without the need to invest in a new part.

Condition, Verification, and Selection Based on Technical Data

The part is offered in used condition, allowing for economical repair of the power steering system while maintaining the original manufacturer's specifications. Before installation, it is recommended to:

• check the system for leaks and the condition of the hoses,
• replace the power steering fluid with fresh fluid of the appropriate specification,
• verify compatibility with the specific body version and M272 engine accessories.

Pump selection should be based on the vehicle's identification data and part numbers to ensure full compatibility with the specific steering system configuration.

Comprehensive Service for Hydraulic and Fuel Systems

When replacing the power steering pump, it is advisable to consider the condition of the entire powertrain and hydraulic system. For service work that also includes engine fuel supply, a guide on diagnosing and repairing fuel supply components may be helpful – this is thoroughly discussed in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, where you will find practical tips on selecting parts by OEM numbers and operating principles.

Expanding Steering System Repairs

If you are planning a comprehensive repair or upgrade of the steering system area in your Mercedes and need other parts from the same group, such as hydraulic hoses, fluid reservoirs, or additional pumps, check the available parts in the Mercedes Power Steering Pumps category.