Mercedes-Benz W202 W208 Coolant Expansion Tank Reservoir Bottle A2025000649

Mercedes-Benz W202 W208 Coolant Expansion Tank Reservoir Bottle is an item from the Expansion tanks group, designed for the power steering system in Mercedes W202 and W208 series vehicles. This solution allows for maintaining a stable fluid level in the system, which translates into predictable power steering operation and safe vehicle handling.

Specifications and technical data

• SKU: A2025000649
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2025000649
• Substitutable numbers: A2025000649, A 202 500 06 49, ŁS
• Category: Expansion & Overflow Tanks

Purpose and function in the power steering system

The presented Mercedes-Benz W202 W208 Coolant Expansion Tank Reservoir Bottle acts as a working reservoir for the fluid in the steering system, stabilizing its level and enabling proper circulation of the working medium. As a result, the power steering system maintains its proper operating characteristics, and the force required to turn the steering wheel remains predictable and repeatable.

As an item from the Expansion tanks group, this component works with other hydraulic system parts, reducing the risk of aeration and pressure fluctuations. A properly selected reservoir helps maintain the system's operating parameters within the range specified by the vehicle manufacturer.

Compatibility with Mercedes W202 and W208

The Mercedes-Benz W202 W208 Coolant Expansion Tank Reservoir Bottle has been designed for use in selected versions of the Mercedes W202 and W208, ensuring a proper fit for factory mounts and hoses. Using a component dedicated to a specific vehicle platform minimizes the need for modifications and facilitates installation in workshop conditions.

The appropriate geometry of the ports and the shape of the housing promote correct routing of hydraulic hoses, which is important for both safety and future service convenience. Thanks to this, the reservoir replacement can be carried out in an orderly and repeatable manner.

Performance characteristics and benefits of use

Choosing this Mercedes-Benz W202 W208 Coolant Expansion Tank Reservoir Bottle allows for restoring proper system operation in situations where the existing reservoir shows signs of wear, leaks, or mechanical damage. A stable fluid level in the reservoir reduces the risk of pump noise, drops in steering efficiency, and unwanted vibrations on the steering wheel.

Key benefits of using this component include:

• maintaining the proper fluid level in the power steering system,
• reducing the risk of system aeration,
• better predictability of steering assistance force during maneuvering,
• orderly routing of hydraulic hoses in the engine compartment.

Thanks to these features, the component is a practical solution for repairs and upgrades of the power steering system in Mercedes vehicles of the discussed series.

Product condition and service application

The offered item is intended for service applications as a replacement part in an existing power steering system. It works well both for typical replacement of a worn reservoir and for more extensive work, such as regenerating the entire power steering system or replacing the pump and hoses.

In workshop practice, using a dedicated expansion tank makes it easier to maintain the system's consistency with the vehicle manufacturer's specifications, which is important for long-term reliability and driving comfort.

Related components and technical knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other items from the same group, such as additional reservoirs, return hoses, or mounting elements, check the available parts in the Mercedes expansion tanks category.

When working on vehicle systems, it is also worth expanding your knowledge on the safe selection of used components. Practical tips on assessing the condition of subassemblies and criteria for their selection can be found in the article Second-hand braking system: how to safely choose discs, calipers, and ABS?, which presents universal principles also useful when evaluating other car components.