Power Steering Oil Cooler Mercedes W164 C209 AMG Cooling Radiator A0005000500

The Mercedes W164 C209 AMG Power Steering Oil Cooler is an original cooling system component designed for gasoline engine vehicles. It ensures stable heat dissipation from the power steering oil, which translates to reliable operation of the steering rack and power steering pump even during dynamic driving and under high thermal loads.

Specifications and technical data

• SKU: A0005000500
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0005000500
• Substitutable numbers: A0005000500, A 000 500 05 00
• Fuel type: Petrol
• Category: Engine Oil Coolers & Lines

Purpose and Function in the Oil Cooling System

The presented power steering oil cooler is part of the Oil Coolers and Hoses group, responsible for maintaining the correct oil temperature in the power steering system. In Mercedes W164 and C209 AMG models, stable oil cooling is crucial for:

• maintaining proper system pressure,
• limiting pump performance drop at high temperatures,
• reducing the risk of oil overheating and foaming,
• extending the lifespan of hoses, seals, and the steering rack.

Thanks to the dedicated power steering oil cooler, the steering system maintains predictable operating characteristics, and the power assistance remains stable even under intensive use.

Compatibility with Gasoline Engines

This component is designed to work with the power steering system in vehicles powered by gasoline. This means it is adapted to the thermal characteristics of such units, where engine compartment temperatures and steering system loads are higher than in standard versions. Proper oil cooling in these configurations reduces system performance drops during:

• long-distance highway driving,
• dynamic cornering,
• maneuvering in high ambient temperatures.

Benefits of Using an Original Power Steering Oil Cooler

Using an original power steering oil cooler in a Mercedes W164 or C209 AMG allows for the preservation of the system's factory operating parameters. The most significant advantages include:

• Precise Fit to the Oil Cooling System – proper placement of connectors and mounting points facilitates installation and minimizes the risk of leaks.
• Optimal Heat Exchange Surface Area – design tailored to the power steering system's performance in AMG versions.
• Consistency with the Vehicle's Factory Architecture – no need for modifications to hoses or brackets.
• Stable System Operation Across a Wide Temperature Range – particularly important in dynamically driven cars.

Condition, Service Application, and Installation

The offered power steering oil cooler is a used original part, making it an attractive service solution for workshops and individual users seeking a balance between cost and maintaining factory specifications. It is suitable for both routine replacement of a worn cooler and for system repairs after power steering oil overheating.

Before installation, standard service procedures are recommended: leak testing, flushing the power steering system, and using oil with parameters compliant with the vehicle manufacturer's recommendations. This approach allows for the full utilization of the cooler's potential and reduces the risk of recurring faults.

If you are planning a comprehensive repair or upgrade of the oil cooling system in your Mercedes and need other parts from the same group, such as additional coolers, oil hoses, or mounting elements, check the available parts in the Mercedes Oil Coolers and Hoses category.

Technical Support and Selection of Used Parts

When working with oil cooling and power steering systems, it is important to consider the impact of ambient temperature and driving style on component durability. This topic is practically discussed in our guide: Summer Heat vs. Cooling System: Used Coolers and Fans Guarantee Savings, which provides tips on operating and servicing cooling components in high temperatures.

If you want to deepen your knowledge on safely choosing used components, including parts from the Oil Coolers and Hoses group, the step-by-step guide will also be helpful: Safe Online Purchase of Used Car Parts – A Step-by-Step Guide, which describes, among other things, selecting parts by catalog numbers and practical criteria for assessing component condition.