Windscreen Washer Bottle Mercedes W204 W212 Fluid Tank Reservoir A2048691420

Mercedes W204 W212 Windshield Washer Fluid Reservoir is an original component of the windshield cleaning system, designed for C-Class and E-Class models. Thanks to its factory design, it ensures proper operation of washer pumps and nozzles, stable mounting, and adequate capacity for daily use. It is a practical solution for drivers who want to restore the functionality of the washer system while maintaining manufacturer standards.

Specifications and technical data

• SKU: A2048691420
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048691420
• Substitutable numbers: A2048691420, A 204 869 14 20, BG
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The washer fluid reservoir in a Mercedes is responsible for storing the working fluid and its stable delivery to the pumps and then to the nozzles on the windshield. A properly selected component:

• ensures the correct fluid level under various driving conditions,
• maintains system tightness,
• minimizes the risk of washer pump air ingress,
• enables correct operation of the front washer and – if present in the vehicle – the rear window or headlight washers.

Choosing a reservoir dedicated to the W204 and W212 series allows for maintaining factory routing of hoses and mounting points, which facilitates installation and subsequent service maintenance.

Construction and Compatibility with the Vehicle System

This component belongs to the group of Washer Fluid Reservoirs, Pumps, and Nozzles, meaning it is designed to work with factory pumps, sensors, and fluid lines. The reservoir's construction is adapted to the engine bay space in W204 and W212 models, taking into account:

• appropriate body shape,
• locations for mounting washer pumps,
• factory mounting points to the body,
• provided connection spigots for fluid hoses.

Thanks to this, after installation, the reservoir does not require modifications, and the washer system maintains the parameters specified by the vehicle manufacturer.

Product Characteristics and Benefits of Use

The offered reservoir is a Mercedes brand component, which in practice means maintaining the quality standards appropriate for the vehicle manufacturer. Compared to aftermarket alternatives, the original component ensures:

• precise fit to the body and accessories,
• compatibility with factory brackets and supports,
• correct routing of fluid hoses and electrical harnesses,
• consistency with service documentation and workshop procedures.

The used condition allows for economical repair while maintaining original design specifications, which is particularly important for vehicles used intensively or in fleets.

Practical Installation and Operational Tips

When replacing the washer fluid reservoir, it is worth paying attention to several technical aspects:

• checking the condition of the washer pumps and seals at the spigots,
• verifying the flow of hoses leading to the nozzles,
• assessing the condition of mounting points and supports in the body,
• using washer fluid with parameters recommended by the vehicle manufacturer.

This approach allows for restoring the consistent functionality of the entire washer system in a single service operation, which translates to better visibility and driving safety in rain, snow, or road dirt.

If you are planning a comprehensive repair or upgrade of the windshield cleaning area in your Mercedes and need other parts from the same group, such as additional reservoirs, pumps, or washer nozzles, check the available parts in the Mercedes Washer Fluid Reservoirs, Pumps, and Nozzles category.

Part Selection and Technical Support

When selecting a reservoir for a specific engine version and vehicle year, it is crucial to compare the shape, arrangement of spigots, and mounting points with the component installed in the car. If in doubt, it is advisable to consult service documentation or seek advice from a mechanic to ensure full compliance with the factory system.

For users interested in a broader understanding of fuel system operation and component selection based on manufacturer codes, the guide article "Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair" may be helpful, discussing, among other things, principles of part identification by codes and practical operational tips.

If you want to ensure a smooth repair completion and minimize vehicle downtime in the workshop, it is also worth familiarizing yourself with the material "Availability of Car Parts Off-the-Shelf vs. Repair Time – How Used OEM Parts Shorten Workshop Stays?", which describes the benefits of using readily available original used parts.