Mercedes W205 Fuel Tank Fill in Filler Recess A2056304604

Mercedes W205 Fuel Tank Fill in Filler Recess is an original fuel system component designed for this vehicle series, specifically engineered for petrol engines. As part of the Fuel tanks and filler pipes group, it is responsible for the safe and leak-proof routing of fuel from the filler cap to the tank, ensuring the proper operation of the fuel system.

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 fuel filler recess is a component mounted in the vehicle body in the filler area, where it works in conjunction with the cap and the pipe leading fuel to the tank. The design, adapted for petrol units, limits the risk of contaminants entering the system, and the properly shaped filler channel facilitates refueling and stable handling of the fuel nozzle.

This component is essential for repairs following collisions, mechanical damage in the area of the fuel flap, or issues with leaks in the supply zone. Using an original part dedicated to the Mercedes W205 allows for maintaining factory mounting geometry and proper fitment with the bodywork.

Benefits of using an original fuel filler recess

Choosing an original element from the Fuel tanks and filler pipes group ensures compatibility with the factory fuel system without the need for modifications. Properly designed fuel routing minimizes the risk of splashing during refueling, and the correct shaping of the recess facilitates the operation of the cap and flap in daily use.

When replacing this component, it is worth paying attention to the condition of seals, mounts, and connections with the filler pipe to ensure a stable, leak-proof, and safe system after installation. A used, original element can be a beneficial solution for economical repairs when maintaining compliance with the factory design is desired without incurring the costs of new components.

Integration with the petrol system

The fuel filler recess designed for petrol engines is engineered with consideration for the properties of this fuel, including its volatility and requirements regarding tank venting. A correctly selected component supports the stable operation of the entire fuel system, reducing the risk of leaks, vapor emissions into the environment, and refueling problems.

When selecting parts, it is advisable to use manufacturer markings and vehicle data to ensure full compatibility with the specific body version and fuel system. This makes the installation process smoother and reduces the risk of needing additional modifications.

Technical support and selection by OEM/VIN

To correctly select the filler recess element for a specific Mercedes vehicle, it is recommended to use manufacturer catalogs and OEM markings, as well as vehicle identification data. This helps avoid problems with structural differences between body versions or fuel system variants.

For users who want to better understand the operation of the entire fuel system, diagnostics, and maintenance principles, the article describing injectors, pumps, and the fuel tank will be helpful – a detailed discussion can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Related Mercedes fuel system components

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 pipes, mounting elements, or components working with the tank, check the available parts in the category Mercedes fuel tanks and filler pipes.