Mercedes W168 Windscreen Washer Bottle Tank Reservoir A1688690220

The MERCEDES W168 Windshield Washer Fluid Reservoir is an original part of the windshield cleaning system, designed for the A-Class W168 series models. A used reservoir ensures a factory fit, maintaining the correct capacity and mounting geometry, which simplifies servicing and allows for efficient washer operation in daily use. This is a practical solution for drivers who want to restore the full functionality of the wiper system cost-effectively while maintaining the original Mercedes specification.

Specifications and technical data

• SKU: A1688690220
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1688690220
• Substitutable numbers: A1688690220, A 1688690220, A 168 869 02 20
• Category: Additional Wiper & Washer Components

Purpose and Function of the Washer Fluid Reservoir

The MERCEDES W168 Windshield Washer Fluid Reservoir is responsible for storing the working fluid for the windshield washers, and depending on the vehicle's configuration, also for the headlights. The appropriately shaped housing allows for secure mounting in the engine bay and proper connection of hoses and the washer pump. By retaining the original design, the system maintains correct pressure and uniform fluid flow to the nozzles, which translates to clear visibility for the driver in challenging weather conditions.

Why Choose an Original Mercedes Part

For components like the washer fluid reservoir, factory fit to the body and installation is crucial. An original Mercedes component minimizes the risk of leaks, collisions with other components in the engine bay, and problems with mounting brackets or connectors. A used OEM part allows you to maintain:

• compatibility with factory mounting points,
• correct routing of washer hoses,
• adequate system working capacity,
• consistency with other wiper system components.

This solution is particularly beneficial for post-accident repairs or replacement of a damaged reservoir when you want to preserve the vehicle's original construction without the cost of purchasing a new part.

Used Condition vs. Repair Cost-Effectiveness

Choosing a used washer fluid reservoir for a Mercedes W168 is a sensible compromise between cost and maintaining OEM quality. Such a component, if free from mechanical damage, does not undergo significant wear and tear, so a well-chosen part from a dismantled vehicle can work reliably for a long time. If you are considering when it's better to opt for a used part versus a refurbished one, the article: Refurbished or Used Original – Which Part to Choose for Repairs?, which discusses the practical aspects of selecting aftermarket components, may be helpful.

Integration with the Wiper System and User Comfort

A functional washer fluid reservoir directly impacts the efficiency of the wipers and driving safety. A properly selected component:

• ensures a stable fluid supply to the nozzles at various fill levels,
• reduces the risk of air in the system and interruptions in fluid delivery,
• simplifies servicing – access to the filler cap and hose connectors is consistent with the factory design,
• maintains the aesthetics of the engine bay thanks to the well-fitting housing shape.

For mechanics and users, this means faster installation, no need for modifications, and predictable washer system performance in everyday use.

Related Mercedes Wiper System Components

When replacing the reservoir, it's worth checking the condition of the hoses, nozzles, and the washer pump itself to avoid re-disassembly in the near future. If you are planning a more extensive service of the windshield cleaning system for your Mercedes and are interested in other wiper-related components for this brand, check out the available parts in the category Other Mercedes Wiper Parts.