Mercedes W211 Washer Bottle Tank Filler Cap Cover A2118690108

The Mercedes W211 Washer Fluid Tank Filler Cap is a practical, original component of the washer system that ensures a tight seal for the tank and stable operation of the entire system. Thanks to its factory fit for Mercedes E-Class W211 models, this washer fluid filler cap allows for seamless replacement of a worn or damaged part without modifications or fitting aftermarket alternatives.

Specifications and technical data

• SKU: RHD-A2118690108
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118690108
• Substitutable numbers: A2118690108, A 211 869 01 08
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The filler cap is part of the Washer Tanks, Pumps, and Nozzles category and is responsible for securely closing the fluid filler opening. A correctly chosen component:

• limits the risk of fluid leaks while driving,
• protects the inside of the tank from external contaminants,
• supports the stable operation of the washer pump and nozzles,
• prevents moisture and dirt from entering the system.

For the Mercedes W211, the correct filler cap is important for both user comfort and the durability of other components in the washer system.

Original Fit for Mercedes W211

The Mercedes W211 Washer Bottle Tank Filler Cap Cover is designed as an OEM part, meaning it is fully compatible with the factory design of the washer fluid tank in this model. The appropriate profiling and mounting system ensure:

• a secure fit on the filler neck without play,
• easy opening and closing when refilling the fluid,
• no need for additional adapters or modifications.

This makes replacing a worn cap with the presented item a smooth process, restoring full functionality to the washer system.

Characteristics of the Used Component

The offered cap is a used item, which means it comes from a dismantled vehicle and has been verified for its suitability for further use. This type of part is a sensible choice when you want to:

• maintain the original manufacturer's specifications,
• avoid problems with fitting inexpensive aftermarket parts,
• achieve an optimal cost-to-functionality ratio.

A used, original filler cap for the Mercedes W211 allows you to restore the correct operation of the washer system without excessive expense, while maintaining factory-quality craftsmanship.

Assistance with Selection and System Expansion

If you are planning a comprehensive repair or upgrade of the fluid supply and delivery area in your Mercedes and want to better understand how to select parts by OEM numbers, diagnostics, and component refurbishment, the guide on fuel systems, injectors, pumps, and fuel tanks will be helpful, offering practical tips on identifying parts by numbers and operational principles.

If you are planning a comprehensive repair or upgrade of the washer system area in your Mercedes and need other parts from the same group, such as tanks, pumps, or nozzles, check the available parts in the Mercedes Washer Tanks, Pumps, and Nozzles category.

For drivers who are simultaneously sourcing other parts for their car, the guide on comprehensive sourcing of used car parts in one place may also be useful, describing how to efficiently combine purchases of multiple components from a single store and avoid problems with low-quality aftermarket parts.

Summary

The Mercedes W211 Washer Fluid Tank Filler Cap is a practical solution for users who want to restore the full functionality of their washer system while maintaining the original manufacturer's specifications. A used, factory original part from the Washer Tanks, Pumps, and Nozzles category ensures proper fit, sealing, and ease of use, making it a functional choice for repairing or replacing missing components in your Mercedes.