Washer Tank Mercedes W211 W219 Windshield Heated Bottle Reservoir A2118603860

Visual condition of the part 

The product shows signs of use visible in the photos. 

Washer Tank Mercedes W211 W219 Windshield Heated Bottle Reservoir is an original washer system component designed for installation in E-Class and CLS models. Thanks to its integrated heating function, it provides a functional solution for users driving in demanding weather conditions, ensuring stable washer operation and improved visibility. The product comes from the Washer fluid tanks, pumps, and nozzles category, which guarantees its compatibility with the factory Mercedes installation.

Specifications and technical data

• SKU: rhd-A2118691120-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118691120
• Substitutable numbers: A2118691120, A 211 869 11 20, A2118603860, A 211 860 38 60, KD
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the washer system

The presented reservoir is a component of the system responsible for storing washer fluid and steadily supplying it to the windshield nozzles. The heated version works with the vehicle's electrical system, which reduces the risk of fluid freezing in low temperatures and improves windshield cleaning efficiency.

This solution is particularly useful in cars used year-round, where maintaining windshield clarity is crucial for driving safety. The reservoir is structurally prepared to work with the factory washer pumps and nozzles used in Mercedes W211 and W219 models.

Construction and compatibility with Mercedes W211 / W219

The component in question was designed as part of the original Mercedes system, which translates into correct mounting points, appropriate connection ports, and designated space for washer system equipment. As a result, installation is straightforward, without the need for system modifications or custom mounts.

As a Mercedes brand product, the reservoir maintains geometry consistent with factory wheel arches and the engine bay, which facilitates its integration with other body components and covers. This is particularly important in vehicles where maintaining the original design and serviceability is a priority.

Condition, origin, and advantages of using a pre-owned part

The item is offered in a used condition, meaning it has been removed from a vehicle and verified for further serviceability. This type of solution allows for rational repair cost reduction while maintaining compliance with the manufacturer's factory specifications.

Choosing an original, used heated reservoir is particularly beneficial where compatibility with the existing installation and maintaining washer system performance parameters consistent with Mercedes design assumptions is essential.

Benefits of installing an original washer reservoir

• Factory fitment for the washer system in Mercedes W211 and W219, with no adaptation required.
• Integration with the heating system, supporting washer operation in low temperatures.
• Compatibility with existing pumps and nozzles, in accordance with the Washer fluid tanks, pumps, and nozzles category.
• A reasonable compromise between repair costs and maintaining original manufacturer quality.

Support with selection and system expansion

It is always worth combining the selection of a heated reservoir with a check of the condition of the pumps, hoses, and washer nozzles to ensure the entire system operates evenly. In case of doubts regarding compatibility, it is helpful to compare part numbers and connection configurations with the component currently installed in the vehicle.

If you are planning a comprehensive repair or upgrade of the windshield cleaning area in your Mercedes and need other components from the same group, such as reservoirs, pumps, or nozzles, check the available parts in the Mercedes washer fluid tanks, pumps, and nozzles category.

Additional materials and technical knowledge

During service work, it is worth considering general principles regarding the operation of vehicle fluid systems, including proper venting, fluid selection, and leak diagnostics. Materials discussing the construction and maintenance of other supply systems in the car, such as the fuel system, may be helpful – you can find them in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which organizes the approach to diagnostics, selection by manufacturer part numbers, and operating principles.