Mercedes-Benz W169 W211 Fuel Filler Cap Tank Cap Black A2204700705

Mercedes-Benz W169 W211 Fuel Filler Cap Tank Cap Black is a practical, factory-original refueling system component, designed to securely seal the fuel filler neck and protect the tank from contaminants. Finished in black, it blends discreetly with the vehicle's bodywork, maintaining the car's original character. This is an ideal solution for drivers looking to restore full functionality to their fuel filler while ensuring compatibility with the manufacturer's design.

Specifications and technical data

• SKU: A2204700705
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2204700705
• Substitutable numbers: A2204700705, A 2204700705, A 220 470 07 05
• Color: Black
• Category: Fuel Flaps & Components

Function and application of the fuel filler cap

The fuel filler cap is responsible for tightly sealing the filler neck, which limits fuel evaporation and protects the system from water, dust, and other impurities. In Mercedes compact and luxury sedan models, a properly selected cap is essential for the stable operation of the fuel system and daily driving comfort. Using an original design ensures a perfect fit for the vehicle's threads and seals.

Construction, color, and visual fit

The black color of the cap makes it visually neutral, integrating well with both dark and light body paints. This finish is practical in everyday use – dirt is less visible, and the cap maintains an aesthetic appearance for a long time. The construction designed for Mercedes models ensures the correct shape and ergonomic grip, making it easy to unscrew and tighten even when wearing work gloves.

Benefits of using an original Mercedes cap

Using a cap dedicated to specific Mercedes models reduces the risk of leaks that may occur when using replacements with imprecise dimensions. A properly selected component supports the correct operation of the tank ventilation system and eliminates the problem of "open fuel filler" warnings that can appear with ill-fitting parts. This solution is particularly beneficial for users who expect stable, predictable operation without the need for additional modifications.

Used condition and practical aspects

The offered cap comes from the secondary market, allowing you to combine cost savings with the preservation of the manufacturer's original specifications. For many users, this is a sensible choice for maintenance repairs – especially when the existing cap has suffered mechanical damage, seal wear, or has been lost. A used component of this type can effectively restore full fuel filler functionality while maintaining a favorable price-to-quality ratio.

Technical support and selection of fuel system components

When working on the refueling and engine supply system, it is worth paying attention to the general condition of components responsible for fuel storage and delivery. A detailed discussion of operating principles, diagnostics, and selecting components by identification numbers can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which can serve as a practical supplement when planning further service work.

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, accessory locks, or cover elements, check out the available parts in the Mercedes fuel filler caps and accessories category.