Mercedes W203 Fuel Filler Fill in Flap Tank Cap Cover Obsidian Black - 197

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W203 Fuel Filler Fill in Flap Tank Cap Cover Obsidian Black - 197 is an original body component from the Fuel filler covers and accessories group, designed for factory installation in W203 series models. The dark finish in Obsidian Black Metallic - 197 allows for maintaining stylistic consistency of the bodywork and aesthetically restoring the vehicle's side profile after repair or replacement of a damaged flap.

Specifications and technical data

• SKU: A2037500206-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037500206
• Substitutable numbers: A2037500206, A 203 750 02 06, KD
• Color: Obsidian Black Metallic - 197
• Category: Fuel Flaps & Components

Purpose and function of the component

The fuel filler flap in the Mercedes W203 is responsible for protecting the fuel filler neck from dirt, moisture, and mechanical damage. A properly selected, original component ensures:

• proper closing and maintaining the tightness of the filler area,
• stable mounting in factory body points,
• preservation of the original geometry of the side panel creases.

As a result, after replacing the flap, the body line remains consistent, and the refueling area operates in a predictable and trouble-free manner.

Color and paint matching

The finish in the Obsidian Black Metallic - 197 shade is characteristic of many Mercedes W203 equipment configurations. Using a component in the same color allows for reducing or completely eliminating the need for additional painting, which shortens repair time and reduces costs. At the same time, compliance with the factory paint palette is maintained, which facilitates matching with other body panels.

Characteristics of the original flap

The original fuel filler flap for the W203 was designed with specific body geometry and opening mechanism in mind. Thanks to this:

• it fits the factory hinge and spring mechanism,
• it maintains the correct gap relative to the fender and bumper,
• it requires no modifications or adjustments during installation.

Such a solution is particularly important in post-accident repairs, where precise fitting of components and repeatability of settings relative to the rest of the bodywork are crucial.

Condition and use in repairs

The item is in used condition, which makes it an attractive choice for economical vehicle repair while maintaining the manufacturer's original specifications. It works well both for replacing a mechanically damaged flap and for visual correction of the bodywork after previous body and paint repairs.

Using an original, used flap allows for reducing the risk of fitting problems typical of aftermarket replacements with universal construction.

Integration with the fuel filler area

The flap works with the fuel filler system, covering the cap and the area around the neck. A properly selected component helps keep this area clean, which is important for refueling comfort and protection against dirt entering the area around the cap. Combined with other fuel system components, it creates a coherent, functional assembly whose proper technical condition affects trouble-free vehicle operation.

If you want to better understand the role of the refueling area in the entire fuel system, it is worth checking out the article describing the operation and maintenance of the fuel system – you can find it here: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Complementary body and fuel system components

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 covers, shields, or mounting accessories, check the available parts in the Mercedes fuel filler covers and accessories category.

For users who pay attention to economic and environmental aspects, choosing used body components can be a conscious decision – you can read more about the benefits of this approach in the guide: Eco-driving: discover the benefits of used car parts.