Mercedes R171 W639 Petrol M272 Power Steering Pump Oil Reservoir A0004602483

The Mercedes R171 / W639 Power Steering Pump Reservoir with M272 Gasoline Engine is an original hydraulic system component designed for vehicles powered by gasoline. This used part from the Power Steering Hoses group helps restore proper fluid circulation in the power steering system and ensures stable pump operation, without the need for questionable aftermarket alternatives.

Specifications and technical data

• SKU: A0004602483
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004602483
• Substitutable numbers: A0004602483, A 000 460 24 83, A 000 460 10 83, A0004601083
• Fuel type: Petrol
• Category: Power Steering Hoses

Purpose and Function in the Power Steering System

The presented oil reservoir is a hydraulic system component that works with the power steering pump in Mercedes R171 and W639 models equipped with the M272 gasoline engine. Its function is to store working fluid, stabilize pressure, and ensure adequate pump supply during operation across the full load range.

A properly selected reservoir for a specific gasoline engine unit reduces the risk of cavitation, pressure drops, and excessive pump wear. The correct geometry of the connectors and compatibility with factory power steering hoses facilitate system sealing and reduce the risk of leaks.

Benefits of Using an Original Mercedes Part

Choosing an original Mercedes power steering pump reservoir ensures:

• factory fitment with hoses and mounts in the engine bay,
• compatibility with the power steering pump operating parameters for the M272 engine,
• stable lubrication and cooling conditions for the system fluid,
• reduced risk of noise and steering wheel vibrations caused by air in the system.

By maintaining the original design, the power steering system retains the characteristics intended by the manufacturer, which translates into predictable, comfortable, and safe vehicle handling.

Part Condition and Installation Aspects

This component is from a dismantled vehicle and is offered as a used power steering pump oil reservoir. Before installation, a standard service procedure is recommended: checking the interior for cleanliness, verifying the connectors for mechanical damage, and replacing the fluid in the entire power steering system. Proper installation, following the correct bleeding sequence, allows for seamless integration with existing power steering hoses.

Due to its original origin, the reservoir works with original brackets and clamps, which simplifies installation and reduces workshop time. This is a practical solution for both professional workshops and DIY vehicle owners.

Vehicle Selection and Technical Compatibility

To ensure full compatibility, it is advisable to verify the part's compliance with your vehicle's documentation and manufacturer's reference numbers before purchasing. This reservoir is intended for power steering systems in Mercedes vehicles with gasoline engines, which is important when selecting the appropriate fluid and pump operating parameters.

Proper selection of a part from the Power Steering Hoses group minimizes the risk of leaks, improper hose routing, and collisions with other components in the engine bay. This is particularly important in vehicles subjected to intensive use, where the power steering system operates under increased load.

If you are planning a comprehensive repair or upgrade of the power steering system area in your Mercedes and need other parts from the same group, such as flexible hoses, rigid pipe sections, or hydraulic connectors, check the available parts in the Mercedes Power Steering Hoses category.

Operation and Good Service Practices

After installing the reservoir, regular checks of the fluid level and visual inspection of connection tightness are recommended. Proper maintenance of the power steering system, including periodic fluid changes and hose inspections, significantly extends the lifespan of the pump and other hydraulic components.

For drivers who want to better plan their car's maintenance and optimize operating costs, the guide: TOP 10 Most Frequently Replaced Parts in Your Car may be helpful, offering practical tips on the prevention and replacement of key components.