Power Steering Pump Mercedes W211 M112 Petrol Engine A0044661401

Power Steering Pump Mercedes W211 M112 Petrol Engine is a steering system component designed for petrol engines, mounted in the front part of the vehicle. It is responsible for maintaining stable pressure in the power steering system, which translates into smooth, predictable, and comfortable vehicle handling. Choosing an original pump from the Power steering pumps category is a sensible solution for steering system repairs in Mercedes E-Class W211 generation models.

Specifications and technical data

• SKU: A0044661401
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0044661401
• Substitutable numbers: A0044661401, A 004 466 14 01, BG
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: Power Steering Pumps

Purpose and function in the steering system

The presented pump is designed for operation in the power steering system of Mercedes vehicles with W211 bodywork and a petrol engine. Mounted in the front part of the engine bay, it works in conjunction with other hydraulic system components, ensuring the appropriate operating pressure for the steering gear.

A correctly selected power steering pump contributes to:

• reducing the force required to turn the steering wheel,
• stable system operation during parking maneuvers and high-speed driving,
• reducing noise and vibrations resulting from the operation of the hydraulic system.

Benefits of using an original Mercedes pump

The original pump from the Power steering pumps category for the Mercedes W211 has been designed with specific pressure and performance parameters in mind for petrol engines. Thanks to this, it ensures:

• consistency with factory steering system settings,
• proper cooperation with hoses, the reservoir, and the steering gear,
• appropriate operating characteristics under various loads and temperatures.

In the case of premium class vehicles, such as Mercedes, using the correct pump is important not only for comfort but also for safety and the predictability of the car's response to steering inputs.

Matching by part numbers and vehicle parameters

The pump is a component dedicated to a specific steering system configuration and fuel type. When selecting, it is worth paying attention to:

• compatibility with the W211 body,
• intended use for petrol engines,
• placement in the front part of the vehicle.

Selection by OEM number or interchangeable numbers allows for avoiding installation problems and ensures proper cooperation with the existing installation. In case of doubt, it is worth comparing the old pump with the offered component in terms of the body shape, the arrangement of the ports, and the mounting method.

Characteristics of the used component

The offered power steering pump is a used component, which means it comes from disassembly and was previously operated in a vehicle. This type of part is a good solution for an economical repair of the steering system, especially when maintaining the original manufacturer's specification is desired. Before installation, it is recommended to perform a standard check of the system's tightness, the condition of the hoses, and the quality of the power steering fluid so that the newly installed pump can operate under proper conditions.

Technical support and additional materials

To better understand the principles of operation of fuel supply and hydraulic systems in a vehicle, as well as the correct selection of components by OEM numbers, it is worth reading the guide material: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses, among other things, diagnostics, part selection by numbers, and operating principles that are also useful when working with other vehicle systems.

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