Mercedes-Benz C-Class W203 Windscreen Washer Bottle Tank Reservoir A2038600060

Mercedes-Benz C-Class W203 Windscreen Washer Bottle Tank Reservoir is an original windshield cleaning system component designed for installation in Mercedes vehicles. It ensures stable storage of washer fluid and proper system supply, which translates into safe and comfortable visibility in various weather conditions.

Specifications and technical data

• SKU: A2038690120-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038690120
• Substitutable numbers: A2038690120, A 203 869 01 20, A2038600060, A 203 860 00 60, CLK C209
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function of the washer fluid reservoir

The washer fluid reservoir in Mercedes models is responsible for storing fluid and supplying it steadily to the pumps and windshield washer nozzles. A properly selected and airtight component minimizes the risk of system aeration, leaks, and pressure drops, which is particularly important during intensive use in urban and highway conditions.

The appropriate geometry of the reservoir and factory mounting points facilitate installation in the body, ensuring proper routing of hoses and collision-free proximity to other engine compartment components. As a result, the washer system maintains stable operation at both low and high ambient temperatures.

Benefits of using an original Mercedes component

Using an original washer fluid reservoir in a Mercedes W203 allows you to maintain the factory performance parameters of the system. Key advantages include:

• precise fit to the mounting points and installation space in the body,
• compatibility with factory pumps and washer nozzles,
• maintenance of the operating capacity intended by the manufacturer,
• reduction of the risk of leaks and improper fluid flow.

Thanks to this, the windshield washer system maintains stable performance, which translates into a clear windshield and safe driving in rain, snow, or while driving on dirty roads.

Product characteristics and condition

The offered reservoir belongs to the Washer fluid reservoirs, pumps, and nozzles group, which means it was designed as an integral part of a complete windshield cleaning system. The product is in used condition, which in practice means it comes from dismantling and has been verified for suitability for further use. This type of solution allows for economical vehicle repair while maintaining the original design and fitment.

Choosing a used, original component is particularly beneficial for vehicles where it is important to maintain compliance with factory specifications and avoid installation problems typical of universal aftermarket replacements.

Part selection by OEM and interchangeable numbers

This model of washer fluid reservoir has a dedicated OEM part number and associated interchangeable numbers, which facilitates precise identification of the element in manufacturer catalogs and parts selection systems. In practice, this means the ability to unequivocally confirm compatibility with a specific body version and vehicle equipment, as well as easier verification of compatibility with other variants within the model family.

Before purchasing, it is worth comparing the markings with service documentation or using the OEM number search to ensure that the selected reservoir will work correctly with the existing washer system.

Practical application and professional support

A properly functioning washer fluid reservoir has a direct impact on driving safety – it enables quick removal of dirt from the windshield and maintains adequate visibility. For vehicles used year-round, including in winter conditions, the airtightness and temperature resistance of the reservoir are particularly important to avoid system failure.

If you are planning a comprehensive repair or upgrade of the washer system area in your Mercedes and need other elements from the same group, such as additional reservoirs, pumps, or nozzles, check the available parts in the Mercedes washer fluid reservoirs, pumps, and nozzles category.

To deepen your knowledge on the diagnostics and selection of supply system components and the principles of component regeneration, it is worth reading the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses practical aspects of working with automotive components, including the importance of correct part identification by OEM numbers.

If you are considering a wider use of aftermarket components in your service or tuning project, the guide Buying used car parts – most common mistakes when choosing tuning parts may also be helpful, which suggests how to consciously choose used elements and avoid typical operational problems.