Mercedes W205 Fuel Tank Fill in Filler Recess A2056304604

Mercedes W205 Fuel Tank Fill in Filler Recess is an original refueling system component designed for vehicles with gasoline engines. This component from the Fuel tanks and filler pipes group ensures proper fuel routing from the filler cap to the subsequent parts of the system, supporting the tightness and safe operation of the fuel system. The used OEM part is a solution technically matched to the body structure and fuel system of the Mercedes C-Class W205 generation.

Specifications and technical data

• SKU: A2056304604
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2056304604
• Substitutable numbers: A2056304604, A 205 630 46 04
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The described Mercedes W205 Fuel Tank Fill in Filler Recess is part of the refueling path, responsible for the stable seating of the cap and guiding fuel to the further sections of the lines. In gasoline-powered vehicles, this element works with vent lines and splash guards, which reduces the risk of leaks during refueling and operation.

Thanks to the factory fitment to the W205 body, the component maintains the correct geometry of the filler socket, which facilitates service at gas stations and minimizes stress on the lines leading to the tank.

Benefits of using the original fuel filler recess

Using an original element from the Fuel tanks and filler pipes group in a Mercedes brings a number of practical benefits:

• secure fit to the factory body opening and mounting system,
• maintenance of proper fuel routing to the tank,
• reduction of the risk of leaks in the filler area,
• compatibility with the factory cap and fuel system equipment,
• preservation of the original refueling system design, which promotes stable operation of the entire system.

The used OEM part allows for a technically correct repair of the fuel filler area without the need for replacements with uncertain fitment.

Condition, installation, and fitment for Mercedes

The product is offered as a used part, which means it comes from disassembly, retaining the factory geometry and design intended by the manufacturer. This type of element is particularly useful for repairs after collisions, mechanical damage in the area of the filler flap, or when replacing worn-out refueling system components.

Installation of the Mercedes W205 Fuel Tank Fill in Filler Recess in a Mercedes C-Class W205 usually takes place at existing body mounting points, using factory screws and clips. As a result, service work is predictable, and the risk of fitment issues is limited.

Role in fuel system operation

The fuel filler recess in a gasoline car has not only structural but also operational significance. It is responsible for:

• stable guidance of the dispenser nozzle during refueling,
• cooperation with tank venting elements,
• protection of filler lines against mechanical damage and dirt,
• maintaining proper sealing in the fuel cap area.

A functional element in this area helps reduce the risk of contaminants entering the fuel system, which is important for the durability of injectors, the fuel pump, and other components.

Part selection and technical knowledge

When selecting refueling system elements for a Mercedes, it is worth using OEM markings and interchangeable numbers to ensure full compatibility with a specific body and engine version. A properly selected Mercedes W205 Fuel Tank Fill in Filler Recess facilitates installation and avoids modifications to the body or fuel lines.

If you want to deepen your knowledge about the diagnostics and operation of the fuel system, including the role of the tank and filler elements, the following article will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips on selecting parts by OEM numbers and operating the entire system.

Expanding repairs within the refueling system

If you are planning a comprehensive repair or upgrade of the refueling system area in your Mercedes and need other elements from the same group, such as filler pipes, connectors, or mounting elements, check the available parts in the Mercedes fuel tanks and filler pipes category.

Choosing used fuel system components can also be economically and environmentally beneficial – you can find more on this topic in the guide: Eco-driving: discover the benefits of used car parts.