Mercedes W205 Fuel Filler Flap Cover Cap Obsidian Black - 197 A2057570106

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W205 Fuel Filler Flap Cover Cap Obsidian Black is an original body component from the Fuel filler flaps and accessories group, designed for installation in the rear part of the vehicle. The Obsidian Black Metallic paint finish ensures visual consistency with the factory bodywork, which is particularly important for precise body and paint repairs. Using an OEM part ensures a proper fit to the bodywork and correct operation with the flap mechanism and fuel filler door.

Specifications and technical data

• SKU: A2057570106-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057570106
• Substitutable numbers: A2057570106, A 205 757 01 06
• Location on the vehicle: Rear
• Part type: Fuel Door
• Color: Obsidian Black Metallic - 197
• Category: Fuel Flaps & Components

Purpose and function of the fuel filler flap

The fuel filler flap in the Mercedes W205 model is responsible for protecting the fuel filler neck from dirt, moisture, and mechanical damage. A correctly selected element from this group helps maintain the tightness of the filler area, as well as preserving the aesthetics of the side and rear body lines. Its location in the rear of the vehicle requires precise alignment with the fender and bumper, which is why using an original flap is crucial for proper installation.

Color and matching of Obsidian Black Metallic paint

The Obsidian Black Metallic - 197 finish is a popular metallic shade used in many Mercedes C-Class W205 generation vehicles. Using a flap in the same paint code allows you to limit the scope of paint work or eliminate it entirely if the other body elements are in good condition. This makes it possible to quickly restore the vehicle's consistent appearance after a minor collision, act of vandalism, or corrosion in the fuel filler area.

Installation characteristics and benefits of using OEM parts

The original fuel filler flap for the Mercedes W205 has been designed with factory mounting points and the standard opening mechanism in mind. In practice, this means:

• proper alignment with the body contours in the rear of the vehicle,
• compatibility with the standard hinge and opening spring,
• maintaining the correct geometry relative to the fuel cap and filler neck.

As a result, installation is predictable, without the need for structural modifications. Using an original, used part also allows you to maintain the factory standard of workmanship, which is important both for post-accident repairs and for restoring the vehicle to a condition consistent with the manufacturer's documentation.

Fuel filler flaps and accessories for Mercedes

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

Fuel system operation and component selection

When replacing the fuel filler flap, it is worth paying attention to the general condition of the fuel system – the tightness of the cap, the condition of the filler neck, and the elements leading to the tank. It may be helpful to use technical materials describing diagnostics and component selection based on manufacturer markings. More practical information on the construction and maintenance of the fuel system can be found in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", which discusses, among other things, the principles of proper operation and the selection of parts according to factory markings.

Summary

Mercedes W205 Fuel Filler Flap Cover Cap Obsidian Black is an original body component designed for the rear of the vehicle, allowing for a technically correct and visually consistent repair of the fuel filler area. The Obsidian Black Metallic paint makes it easy to match the existing finish, and the OEM design ensures compatibility with the factory opening mechanism. It is a practical solution for users and workshops that want to restore the vehicle's full functionality and aesthetics in accordance with Mercedes standards.