Mercedes-Benz S-Class W221 Vacuum Pump Container Reservoir Holder A2218000118

Mercedes-Benz S-Class W221 Vacuum Pump Container Reservoir Holder is a specialized vacuum reservoir bracket designed for the luxury S-Class W221. The original Mercedes design ensures stable mounting of the component within the vehicle's engine bay, which translates into reliable operation of vacuum-controlled systems and the reduction of unwanted vibrations. This used OEM component is a sensible choice for servicing advanced installations in S-Class models.

Specifications and technical data

• SKU: A2218000118
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218000118
• Substitutable numbers: A2218000118, A 221 800 01 18, EM
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and function in the vehicle system

The presented vacuum reservoir bracket is responsible for the precise positioning and support of the reservoir that works in conjunction with the vacuum pump in the Mercedes S-Class W221 generation. Proper mounting of this component is important for:

• maintaining the tightness of vacuum line connections,
• reducing mechanical loads acting on the reservoir,
• limiting noise and vibrations transmitted to the bodywork,
• stable operation of vacuum-dependent systems (e.g., components controlled by actuators).

Thanks to its fitment to the W221 body geometry, the bracket allows for maintaining the factory routing of lines and service ergonomics in the vehicle's engine bay.

Original Mercedes craftsmanship

As a component from the Washer fluid reservoirs, pumps and nozzles group, the bracket has been designed in accordance with Mercedes quality standards. This means:

• the use of material resistant to typical operational loads in the vehicle's engine bay,
• factory mounting points consistent with the S-Class W221 body,
• compatibility with the original reservoir and vacuum installation.

The original nature of the part facilitates installation without the need for modifications and allows for maintaining the structural integrity of the entire system.

Condition, fitment and service application

The item is in used condition, making it a practical solution for repairs where maintaining the original mounting geometry while optimizing costs is key. The bracket will prove particularly useful in situations where:

• mechanical damage to the factory mount has occurred (e.g., after a collision or interference in the engine bay),
• unwanted vibrations or noise are present in the area of the vacuum reservoir,
• it is necessary to replace the entire assembly associated with the vacuum pump and reservoir.

Thanks to the preservation of the original design, the bracket allows for seamless integration with the existing installation in the Mercedes S-Class W221.

Selection support and technical aspects

When selecting a vacuum reservoir bracket for a specific version of the S-Class W221, it is worth verifying compatibility by OEM number or interchangeable numbers, as well as taking into account the body and equipment configuration. In case of doubt, it is helpful to compare the shape and mounting points with the component removed from the vehicle.

For users interested in a broader context of the operation of supply systems and pumps in modern cars, an article describing diagnostics and component selection by catalog numbers will be useful – check the material: Fuel system – injectors, pumps and fuel tank: maintenance and regeneration.

Service expansion within the same group

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

Summary

Mercedes-Benz S-Class W221 Vacuum Pump Container Reservoir Holder is an original vacuum reservoir bracket designed for use in the luxury S-Class W221. The used OEM component allows for restoring the correct mounting of the reservoir and maintaining the factory operating characteristics of vacuum-dependent systems, providing a functional and technically consistent service solution.