Mercedes W169 W210 W220 W221 Washer Bottle Filler Neck Pipe Cap A1248690272

The MERCEDES W204 W212 Windshield Washer Reservoir Cap is a precisely manufactured component of the washer system, designed for Mercedes W204 and W212 models. It ensures a tight seal for the fluid reservoir, supporting stable washer system operation and reducing the risk of contamination. This is a practical service solution for users looking to restore full system functionality in a functional and economical way.

Specifications and technical data

• SKU: A1248690272
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1248690272
• Substitutable numbers: A1248690272, A 124 869 02 72, KZ
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Technical Function

The windshield washer reservoir cap in Mercedes vehicles is responsible for maintaining adequate sealing within the fluid reservoir. A correctly fitted component:

• prevents uncontrolled evaporation and fluid leaks,
• limits contaminants from entering the system,
• supports uniform operation of the washer pump,
• protects the system from accelerated wear caused by dirt.

For W204 and W212 models, using the correct cap is crucial for maintaining the proper operation of the entire washer system, especially under intensive urban and highway driving conditions.

Benefits of Using an Original Mercedes Part

The offered cap is part of the original Mercedes components range, ensuring a perfect fit for the factory washer reservoir without any modifications. In practice, this means:

• maintaining compatibility with the factory reservoir opening geometry,
• correct interaction with the existing washer system,
• consistency with other components in the Washer Tanks, Pumps, and Nozzles category.

For the user, this translates to stable system operation, without issues related to the cap not closing properly or leaks resulting from the use of generic aftermarket replacements.

Product Condition and Service Application

This part is a used component, making it a cost-effective solution while maintaining proper functionality. This type of cap is particularly suitable for situations where:

• the original cap has suffered mechanical damage (cracking, broken latch),
• there are leaks around the windshield washer reservoir filler neck,
• a quick replacement of the component is needed without affecting the rest of the system.

Choosing a used, original component helps maintain consistency with the vehicle's factory specifications while reducing repair costs.

Compatibility and OEM Identification

The cap is designed for use in Mercedes W204 and W212 vehicles, falling within the Washer Tanks, Pumps, and Nozzles category. When selecting a part, it is advisable to refer to the OEM number and interchangeable part numbers to confirm compatibility with the specific engine version and model year of the vehicle. This approach minimizes the risk of errors and speeds up the service process.

If you want to better understand how to select components by part numbers and the relationships between parts in different vehicle systems, the guide article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair will be helpful. It discusses practical aspects of identifying parts by VIN and OEM numbers.

Expanding the Mercedes Washer System

When replacing the cap, it's also a good idea to check the condition of other washer system components – hoses, pump, and nozzles. This helps avoid situations where, after replacing a single component, further service interventions are required shortly after. If you are planning a comprehensive service for your Mercedes' washer system and are also interested in other parts in this group, check the available parts in the Mercedes Washer Tanks, Pumps, and Nozzles category.