Mercedes W176 W205 W213 W246 Fuel Tank Filler Gas Screw Cap Cover A2224700005

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W176 W205 W213 W246 Fuel Tank Filler Gas Screw Cap Cover is an original fuel system component that ensures a tight seal of the tank neck and stable operation of the fuel system. Thanks to its factory-fit design for selected Mercedes models, the cap guarantees proper venting and protection against contaminants, which translates into safe and predictable vehicle operation. It is a practical solution for users looking for parts that comply with the manufacturer's factory standards.

Specifications and technical data

• SKU: A2224700005-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2224700005
• Substitutable numbers: A2224700005, A 222 470 00 05
• Part type: Fuel Tank Cap
• Category: Fuel Tank Caps

Function and role of the fuel tank filler cap

The fuel tank filler cap in Mercedes vehicles is responsible for maintaining controlled pressure in the tank, limiting fuel evaporation, and protecting the filler neck from dust and moisture. A properly selected component minimizes the risk of fuel system-related errors, leaks, or unwanted fuel odors around the vehicle. Proper cap sealing is important both for user comfort and for stable engine operation under various operating conditions.

Compatibility with Mercedes models

The presented cap is designed for use in selected Mercedes models from the W176, W205, W213, and W246 series. This means that the design, diameter, and mounting method are adapted to the factory requirements of these vehicle generations. As a result, the user receives a component that can be installed in place of the existing cap without the need for modifications or additional adapters, which facilitates quick and predictable installation.

Construction and functional features

The fuel tank filler cap from this design group is engineered to ensure convenient handling during refueling and a secure closure after filling the tank. The applied design solutions allow for:

• stable seating in the fuel filler neck,
• maintaining the tightness of the fuel system during daily operation,
• protection against contaminants entering the filler area,
• compliance with the factory parameters of the Mercedes fuel system.

Thanks to this, the cap is a functional maintenance component that supports trouble-free vehicle use and reduces the risk of failures resulting from filler leaks.

Condition and service application

The offered cap belongs to the Fuel filler flaps and caps category and is intended primarily as a replacement part in case of wear, mechanical damage, or issues with closing the original component. It can be used both for standard maintenance replacement and for repairs related to the fuel system, where restoring the proper tightness and functionality of the filler is required.

Technical support and component selection

Selecting the correct fuel tank filler cap should always be linked to the VIN and part number to ensure full compatibility with the specific vehicle equipment version. In the case of the fuel system, it is particularly important that all components – from the tank and lines to the cap – work together according to the manufacturer's specifications. For drivers who want to better understand the principles of operation and maintenance of this vehicle area, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, part selection by numbers, and operating principles.

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