Mercedes-Benz CLK E Class C209 W210 W211 Windscreen Washer Pump A2108690821

Mercedes C M S W140 W163 W202 Washer Pump is an original part from the Washer Fluid Tanks, Pumps, and Nozzles category, designed for the windshield cleaning system in select Mercedes models. It ensures stable fluid delivery to the windshield, contributing to safe and comfortable driving in rain, slush, or during night drives. This is a practical solution for drivers who want to maintain the functionality of their factory washer system without costly installation modifications.

Specifications and technical data

• SKU: A2108690821
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2108690821
• Substitutable numbers: A2108690821, A 2108690821, A 210 869 08 21, EM
• Category: Washer Pumps, Reservoirs & Nozzles

Technical Characteristics and Application

The washer pump is specifically designed for Mercedes vehicles, ensuring it maintains the factory operating parameters of the windshield washing system. The design is intended to work with the original fluid reservoir and factory hoses, minimizing the risk of leaks and installation issues. This component is responsible for generating adequate fluid pressure, ensuring a uniform and effective spray pattern at both low and high driving speeds.

By using a solution that complies with manufacturer guidelines, the pump integrates with the vehicle's electrical system without requiring modifications, and its parameters are matched to the standard washer nozzles. This is particularly important in premium vehicles, where the stable operation of auxiliary systems contributes to overall driving comfort.

Benefits of Using an Original Mercedes Washer Pump

Replacing a worn-out part with an original solution helps maintain the integrity of the entire washer system. In practice, this means:

• Reliable compatibility with the factory fluid reservoir and hoses,
• Appropriately matched pressure and flow rate parameters,
• Maintenance of the fluid stream direction and range as intended by the manufacturer,
• Reduced risk of wiper malfunction due to insufficient windshield wetting.

For the user, this translates to more predictable vehicle behavior in challenging weather conditions and reduced wear on wiper blades, which operate on a properly moistened surface. Choosing such a part is particularly beneficial for drivers who prioritize system consistency and adherence to factory specifications.

Condition, Verification, and Preparation for Installation

The offered washer pump is a used part, allowing for an economical restoration of the system's functionality while maintaining the original design. This type of part is a good choice for drivers who want to avoid random aftermarket replacements with uncertain parameters and prefer components from the original production line. A used part, after proper verification, can ensure stable system operation for a long service life.

Before installation, a standard check of the electrical system and fluid hose seals is recommended to fully utilize the pump's capabilities. A correctly selected and installed component helps maintain driving comfort and minimizes the need for additional system modifications.

Part Selection by Numbers and Technical Support

When selecting the correct washer pump for a specific vehicle, it is advisable to rely on part numbers and manufacturer catalog data. This helps avoid compatibility issues and ensures proper system operation after installation. If you have any doubts, it is helpful to compare the designations with your vehicle's documentation or consult a mechanic specializing in the Mercedes brand.

If you want to better understand how to select spare parts by catalog numbers and their impact on vehicle systems, the article describing diagnostics and component selection in fuel supply systems may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. Although it concerns a different system, it demonstrates a practical approach to identifying parts by OEM numbers and their proper operation.

Other Mercedes Washer Fluid Tanks, Pumps, and Nozzles

If you are also looking for other parts from the Washer Fluid Tanks, Pumps, and Nozzles category for this brand of vehicles, check out the Mercedes Washer Fluid Tanks, Pumps, and Nozzles available in our assortment to find a complete solution for your car.

For drivers interested in the broader use of original, used components in their cars, we have also prepared a practical guide to popular aftermarket parts: Best Used Car Parts – A Guide to Original Components. This is a good addition to your knowledge when planning comprehensive vehicle maintenance.