Fluid Reservoir Tank Mercedes W204 W212 M271 Power Steering Pump A0004602983

The Mercedes W204 W212 M271 Power Steering Reservoir is an original steering system component from the power steering pump group, designed for Mercedes models with the M271 engine. A used reservoir ensures a factory fit, stable system operating parameters, and allows for an economical yet professional vehicle repair.

Specifications and technical data

• SKU: A0004602983
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004602983
• Substitutable numbers: A0004602983, A 000 460 29 83
• Category: Power Steering Pumps

Purpose and Role in the Power Steering System

The Mercedes W204 W212 M271 Power Steering Reservoir is responsible for storing and stabilizing fluid pressure in the steering system. A correctly selected component:

• maintains the proper level of working fluid in the power steering system,
• limits air ingress and foaming of the medium,
• supports the smooth operation of the pump and steering gear,
• reduces the risk of noise, vibrations, and jerking of the steering wheel.

By retaining its original connection geometry and working volume, the reservoir integrates seamlessly with the factory power steering pump without requiring any installation modifications.

Benefits of Using an Original Reservoir

Choosing an original component from the power steering pump category for your Mercedes allows you to maintain the parameters specified by the vehicle manufacturer. Key advantages include:

• factory fit for the hydraulic system and engine bay mounting points,
• preservation of proper fluid flow and power steering operating characteristics,
• compatibility with the accessories used in M271 units,
• reduced risk of leaks resulting from improper fit.

This solution is particularly beneficial for Mercedes' precise steering systems, where pressure stability and proper bleeding directly impact driving comfort and safety.

Condition, Selection, and Installation

The offered reservoir is a used part from a dismantled vehicle, which helps reduce repair costs while maintaining original manufacturer specifications. Before installation, it is recommended to:

• verify compatibility with the specific W204 or W212 body version and M271 engine,
• check the tightness of hoses and clamps,
• replace the power steering fluid with fresh fluid, compliant with the vehicle manufacturer's recommendations,
• thoroughly bleed the system after filling.

It is advisable to base part selection on vehicle data and part numbers to minimize the risk of errors and expedite the service process.

Power Steering System Operation and Reservoir Durability

Proper power steering system maintenance – regular fluid level checks, avoiding prolonged operation at extreme steering positions, and prompt response to leaks – extends the lifespan of both the pump and the reservoir. In case of fluid contamination or signs of overheating, replacing the reservoir with a functional used part is a sensible compromise between cost and quality.

If you are considering whether a reconditioned or used part is a better choice, the article: reconditioned or used original – which part to choose for repair, which discusses the practical differences between these solutions, may be helpful.

Related Components and Technical Knowledge

When performing service work on the hydraulic system, it is beneficial to consider the entire powertrain and fuel supply system. For a better understanding of the relationships between pumps, reservoirs, and other components, the guide: fuel system – injectors, pumps, and fuel tank: maintenance and reconditioning, which discusses diagnostic principles and part selection by part number, will be useful.

If you are looking for other Mercedes power steering pumps for your car, check out the Mercedes power steering pumps available in our store to select parts perfectly matched to your specific model and engine version.