Mercedes C117 C118 W176 W177 W246 Fuel Tank Pump Retainer Ring A2464710030

Mercedes C117 C118 W176 W177 W246 Fuel Tank Pump Retainer Ring is an original fuel system component, designed for precise installation in selected Mercedes models. Thanks to its factory-fit design, it ensures stable mounting of the fuel pump and a tight connection to the tank, which translates into safe and predictable operation of the fuel system. This is a solution for users looking for a proven OEM component instead of random aftermarket replacements.

Specifications and technical data

• SKU: A2464710030
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464710030
• Substitutable numbers: A2464710030, A 246 471 00 30
• Category: Fuel Tank Caps

Purpose and function of the fuel pump retainer ring

The fuel pump retainer ring in Mercedes C117, C118, W176, W177, and W246 series models is responsible for the mechanical and sealing connection between the fuel pump module and the tank. A correctly selected component:

• maintains the pump module in a stable position relative to the tank,
• ensures a tight connection in the filler and pump chamber area,
• minimizes the risk of fuel leaks and unwanted odors in the cabin,
• supports the proper operation of the entire fuel supply system at various fuel levels.

Using a dedicated ring instead of random replacements reduces the risk of installation problems and allows for maintaining the factory performance parameters of the fuel system.

Compatibility with Mercedes models

The presented ring has been designed for Mercedes C117, C118, W176, W177, and W246 platforms, which means its geometry, mounting method, and sealing profile are matched to the fuel tank construction in these body styles. Thanks to this:

• installation is predictable, without the need for modifications,
• factory support and pressure points are maintained,
• the risk of tank deformation at the pump mounting point is reduced.

For certainty of selection, it is worth comparing the application with the vehicle's service documentation or using the OEM number search in catalog systems.

Category Fuel filler flaps and caps – role in the fuel system

Although the fuel pump retainer ring operates inside the tank, it is functionally linked to the filler area and fuel security. Elements from the Fuel filler flaps and caps category are responsible for:

• maintaining system tightness from the filler to the pump chamber,
• protecting fuel from external contaminants,
• stable fuel delivery to the pump and further to the engine.

Selecting the right components in this area is important for both operational safety and the durability of other fuel system elements.

Characteristics of the used component

The offered ring comes from dismantling, which allows for an economical replacement while maintaining the manufacturer's original specifications. The used component:

• retains factory geometry and mounting method,
• is a good choice for service repairs where compliance with the original is important,
• allows for cost reduction compared to a new OEM part.

Before installation, standard visual inspection and the use of appropriate service procedures are recommended to ensure proper tightening and connection tightness.

Technical support and OEM selection

For fuel system-related components, matching by OEM number and compatibility with the specific body platform is crucial. This ring is marked as a Mercedes brand part, which facilitates identification in service catalogs and parts selection systems. In case of doubt, it is worth comparing the construction with the currently installed element and verifying the application in the vehicle's technical documentation.

To better understand the relationships between the fuel pump, tank, and sealing elements, and to learn good service practices, it is worth reading the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Expansion of the fuel system in Mercedes

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as filler flaps, security caps, or additional mounting elements within the filler area, check the available parts in the Mercedes fuel filler flaps and caps category.

Summary

Mercedes C117 C118 W176 W177 W246 Fuel Tank Pump Retainer Ring is a practical solution for users who want to restore the proper tightness and stability of the fuel pump installation in their car. The original design, fitment for specific body platforms, and the possibility of economical replacement based on a used part make it a reasonable choice for fuel system repairs in Mercedes vehicles.