Mercedes C CLK W203 C209 Windscreen Washer Bottle Tank Reservoir A2038690120

Mercedes C CLK W203 C209 Windscreen Washer Bottle Tank Reservoir is an original windshield cleaning system component, designed for factory installation in C-Class and CLK models of the W203/C209 generation. Thanks to its OEM-compliant design, it ensures stable mounting, proper hose routing, and safe storage of washer fluid, which translates into efficient wiper operation and effective windshield cleaning during daily use. This is a practical solution for users who want to maintain factory-grade washer system quality without interfering with the vehicle's original architecture.

Specifications and technical data

• SKU: A2038690120
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038690120
• Substitutable numbers: A2038690120, A 203 869 01 20, AS
• Category: Additional Wiper & Washer Components

Purpose and function in the washer system

The presented washer fluid reservoir is a component of the system responsible for delivering the working medium to the windshield washer nozzles. Its tasks include:

• safe storage of fluid in the engine compartment,
• providing a stable mounting point for washer system accessories,
• maintaining proper tightness and resistance to temperature fluctuations.

Due to its precise fit for the specific body platform, the washer system maintains the correct geometry of hose routing, which reduces the risk of air locks, kinks, and leaks.

Original origin and fitment

As a Mercedes brand component, the reservoir has been designed for full compatibility with the factory washer system equipment in C-Class and CLK vehicles. This means:

• retention of original mounting points in the bodywork,
• proper fitment with adjacent components in the engine compartment,
• no need for installation modifications or additional adapters.

Such a solution is particularly beneficial for post-accident repairs, replacing a damaged reservoir, or restoring the car to its factory specification.

Characteristics of the used component

The offered reservoir comes from the used parts segment, which allows for an economical repair of the washer system while maintaining the original design. This type of component is a good choice when:

• the existing reservoir has cracked or deformed,
• leaks have occurred resulting in fluid loss,
• a replacement is necessary as part of bodywork or mechanical repairs.

Choosing an original, used reservoir allows you to maintain the technical integrity of the vehicle and avoid problems typical of aftermarket replacements with imprecise fitment.

Technical support and parts selection

When selecting a washer fluid reservoir for a specific body version and equipment level, it is worth verifying compatibility with the washer system used in your specific vehicle. Checking the vehicle configuration, the type of wipers used, and the installation routing in the engine compartment is helpful to ensure full functionality after installation.

If you are planning a comprehensive repair or upgrade of the windshield cleaning area in your Mercedes and need other elements from the same group, such as wiper arms, washer nozzles, or mounting elements, check the available parts in the Other Mercedes wiper parts category.

Visibility safety and technical knowledge

A functional washer system has a direct impact on driver visibility, especially in conditions of heavy rain or driving on dirty road surfaces. Keeping the fluid reservoir, hoses, and wiper accessories in good condition is an essential element of preventive maintenance.

For users interested in a broader context of maintaining visibility on the road, including the selection of lighting and related components, the guide See more and better – a complete guide to selecting and replacing used LED and Xenon headlights may be helpful, as it discusses the importance of functional components responsible for driving safety after dark.