Mercedes-Benz B-Class W245 Windscreen Washer Bottle Tank Reservoir A1698690220

The Mercedes B-Class W245 Washer Fluid Reservoir is an original component of the windscreen cleaning system, designed for Mercedes B-Class models of the W245 generation. Thanks to its factory fit, it ensures proper washer operation, stable mounting, and correct fluid circulation, which translates to safe visibility in various weather conditions.

Specifications and technical data

• SKU: A1698690220
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1698690220
• Substitutable numbers: A1698690220, A 169 869 02 20, EM
• Category: Additional Wiper & Washer Components

Purpose and Function in the Washer System

The washer fluid reservoir in the Mercedes B-Class W245 is responsible for storing windscreen washer fluid and its stable delivery to the pump and hoses leading to the nozzles. A correctly selected component eliminates the risk of leaks, system airlocks, or uncontrolled spills that can reduce washer effectiveness.

The original design dedicated to the W245 guarantees:

• compatibility with factory mounting points in the engine bay,
• correct positioning of connectors and inlets for fluid hoses,
• appropriate working capacity tailored to the washer system of this model.

Construction and Fit for Mercedes B-Class W245

The presented reservoir has been designed specifically for the W245 platform, meaning its geometry, mounting locations, and housing shape are adapted to the installation space in this model. This ensures a straightforward installation without the need for modifications or additional brackets.

Key design advantages include:

• factory fit for the Mercedes B-Class W245 washer system,
• compatibility with original system hoses and accessories,
• stable mounting that reduces vibrations and noise during driving.

Benefits of Using an Original Reservoir

Using an original washer fluid reservoir to replace a damaged or leaking component allows for the restoration of the windscreen cleaning system's efficiency without compromising quality. In practice, this means:

• reliable operation of the front and possibly rear windscreen washers,
• reduced risk of pump failure due to dry running,
• maintaining clear windscreens, and thus better visibility in rain, snow, or when driving on dirty roads.

This component, from the Other Wiper Parts category, is particularly important for vehicles used year-round, where the washer system works intensively both in winter (anti-freeze fluids) and summer (removing insects and road grime).

Condition, Verification, and Service Application

This product is from the used parts category, allowing for an economical repair of the washer system while maintaining original installation specifications. This type of component is often chosen by workshops specializing in the Mercedes brand and by DIY enthusiasts who expect a factory fit without the need to experiment with aftermarket parts of uncertain geometry.

Replacing the reservoir is recommended in situations where:

• cracks or deformations of the housing are visible,
• fluid leaks are present around the reservoir,
• mechanical damage has occurred due to a collision or interference with the mounting bay.

Related System Components and Additional Information

When servicing the washer system, it is also worth checking the condition of the hoses, nozzles, and wiper blades to comprehensively restore windscreen cleaning effectiveness. If you are planning a comprehensive repair or upgrade of the visibility zone in your Mercedes and need other parts from the same group, such as wiper arms, washer nozzles, or fluid hoses, check the available parts in the Other Mercedes Wiper Parts category.

For drivers interested in a broader understanding of vehicle control and safety systems, a guide describing the construction and common faults of control elements may be helpful. To this end, it is worth reading the article Steering System and Power Steering – How It Works and What Fails?, which explains the relationships between individual components and facilitates service planning.