Mercedes W205 Windscreen Washer Bottle Fluid Tank Reservoir A2058600860

The Mercedes W205 Washer Fluid Reservoir is an original part from the Washer Fluid Tanks, Pumps, and Nozzles category, designed for the windscreen cleaning system in W205 series models. It's a practical solution for users who want to restore full washer functionality while maintaining the factory fit and robust build quality characteristic of the Mercedes brand.

Specifications and technical data

• SKU: A2058600860
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2058600860
• Substitutable numbers: A2058600860, A 205 860 08 60
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Fitment for Mercedes W205

The washer fluid reservoir in a Mercedes W205 is responsible for safely storing the fluid and stably supplying it to the washer system for the windscreen and headlights (if the vehicle is equipped with them). Using an original component from this series ensures:

• factory mounting points in the engine bay,
• proper routing of fluid lines,
• correct compatibility with factory sensors and washer system accessories.

This makes installation predictable, without the need for modifications or fitting universal aftermarket parts.

Construction and Function in the Washer System

The washer fluid reservoir in a Mercedes W205 is structurally adapted to the body of this model. Its shape and the placement of connection spouts are designed to:

• ensure stable supply to the washer pump at various fill levels,
• minimize the risk of air entering the system,
• facilitate service access to the filler cap and accessories.

The appropriately sized reservoir allows for comfortable operation in both urban and highway conditions, reducing the frequency of fluid top-ups, which is particularly important with intensive vehicle use.

Benefits of Using an Original Mercedes Reservoir

Choosing an original washer fluid reservoir for the W205 offers a number of practical advantages:

• Factory Fitment – maintaining original geometry and mounting points simplifies installation and eliminates sealing issues.
• Electrical System Compatibility – designated spaces for accessories (e.g., pump, potential sensors) ensure proper integration with the vehicle's wiring.
• Stable Washer System Operation – the well-designed interior of the reservoir promotes even fluid intake, leading to predictable nozzle performance.

For the user, this means a lower risk of washer system failure and maintained driving comfort in adverse weather conditions.

Condition, Origin, and Practical Application

The offered reservoir comes from the Mercedes parts line and is a used item, allowing for factory fitment at a favorable purchase price. This solution is particularly attractive for collision repairs, replacement after mechanical damage, or restoring full washer system functionality after prolonged use.

In practice, installing such a reservoir is recommended when:

• the existing reservoir has cracked or deformed,
• there are leaks causing fluid loss,
• the component needs replacement as part of a comprehensive front-end repair.

Technical Support, Selection, and Additional Information

When selecting a reservoir for a specific W205 body style and engine, it's advisable to verify compatibility using the OEM number or the vehicle's VIN. This helps avoid installation problems and ensures full compatibility with the existing washer system.

If you need a broader perspective on the operation and diagnostics of fuel supply systems in vehicles, the article describing the construction and servicing of components like injectors, pumps, and fuel tanks may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Restoration.

In the context of a conscious approach to motoring and component reuse, it's also worth familiarizing yourself with the material on using recycled parts in vehicle tuning and servicing: Eco-Tuning in Practice – How to Increase Performance While Reducing Carbon Footprint with Recycled Parts.

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