Mercedes-Benz C E W204 W207 W212 Cover Fuel Tank Filler Surround Cover

The MERCEDES C E W204 C207 W212 Fuel Filler Seal is an original part from the Fuel Filler Caps and Accessories group, designed for the Mercedes C-Class and E-Class models indicated in the name. A precisely fitted seal ensures a tight connection between the fuel filler neck and the tank, limiting the risk of contaminants and unwanted vapors entering the environment.

Specifications and technical data

• SKU: A0009982201
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0009982201
• Substitutable numbers: A0009982201, A 000 998 22 01, BG
• Category: Fuel Flaps & Components

Function and Application of the Fuel Filler Seal

The fuel filler seal in Mercedes vehicles is responsible for maintaining stable, controlled sealing around the filler neck. A correctly selected part:

• limits the evaporation of fuel vapors in the filler area,
• protects against water, mud, and dust entering the connection zone,
• supports the proper operation of the fuel tank ventilation system,
• prevents accelerated wear of adjacent fuel system components.

By maintaining proper elasticity and shape, the seal works with the factory fuel filler cap, resulting in stable, repeatable cap closure and predictable system behavior during daily use.

Compatibility with Mercedes C and E Models

The presented seal has been designed for selected versions of Mercedes C-Class and E-Class, corresponding to the body codes included in the product title. This means that the element's geometry, mounting method, and sealing profile are adapted to the factory fuel filler neck in these vehicles.

To confirm compatibility with a specific engine version and year, it is advisable to use the OEM part number or interchangeable numbers visible in the technical specifications section. This approach minimizes the risk of selecting the wrong component and speeds up the service process.

Characteristics of an Original Mercedes Part

The seal belongs to the group of original Mercedes solutions, which translates to maintaining the factory parameters of the fuel system's operation. The element's design is adapted to the conditions in the fuel filler area, including variable temperatures, contact with fuel vapors, and mechanical loads resulting from frequent opening and closing of the cap.

Key advantages of this solution include:

• stable fit to the filler neck socket – reduces the need for additional assembly modifications,
• maintaining factory sealing geometry – important when working with the original fuel filler cap,
• consistency with other Mercedes fuel system components – important for long-term operation.

Condition of the Part and Installation Aspects

The product is from the used parts group, which in practice means the possibility of an economical replacement of the seal while maintaining the original manufacturer's specifications. Before installation, a standard visual inspection of the mounting area in the vehicle is recommended, along with cleaning the filler neck socket of dirt to ensure even contact of the sealing surfaces.

Replacing the fuel filler seal is typically a service operation of moderate complexity, which can be performed in a workshop setting without interfering with deeper fuel system components. Correct installation restores sealing in the filler area and reduces common wear symptoms, such as unpleasant fuel odors around the wheel arch or loose cap closure.

Technical Support and Selection by Numbers

It is advisable to base the selection of the fuel filler seal on the OEM part number or reference numbers, which are detailed in the technical specifications. This method is particularly useful for differences arising from the production year, body version, or the fuel tank used.

If you want to deepen your knowledge of fuel system diagnostics and operation, the article describing the function of injectors, pumps, and fuel tanks will be useful – you can find it here: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Mercedes and need other parts from the same group, such as caps, sealing rings, or additional mounting accessories, check the available parts in the category Mercedes Fuel Filler Caps and Accessories.