Mercedes-Benz CLC-Class CL203 Fuel Flap Tank Cap Cover Obsidian Black - 197U

Mercedes-Benz CLC-Class CL203 Fuel Flap Tank Cap Cover Obsidian Black - 197U is an original body component from the Fuel filler flaps and accessories group, designed for Mercedes C-Class coupe models (CL203). Finished in Obsidian Black Metallic, this cover allows for an aesthetic and technically correct replacement of a damaged flap, restoring the consistent appearance of the side bodywork and ensuring proper protection of the fuel filler.

Specifications and technical data

• SKU: A2037500806-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037500806
• Substitutable numbers: A2037500806, A 203 750 08 06
• Color: Obsidian Black Metallic - 197
• Category: Fuel Flaps & Components

Purpose and function of the fuel flap cover

The fuel flap cover in a coupe body plays an important role in terms of both protection and aesthetics. This component:

• protects the fuel filler from dirt, moisture, and minor mechanical damage,
• stabilizes the area around the filler, ensuring the correct operation of the hinge and opening mechanism,
• maintains the continuity of the body lines, which is essential for preserving the factory look of the Mercedes C-Class coupe.

By using an original cover matched to the specific CL203 body generation, proper fitment with the flap, fender, and internal fuel filler cavity components is maintained.

Color and matching of Obsidian Black Metallic paint

The presented cover is finished in Obsidian Black Metallic, one of the popular shades used on Mercedes C-Class vehicles. Selecting a component in the same paint code often allows for avoiding a full repaint, which reduces repair time and service costs.

When replacing the cover in this color, you can achieve:

• visual consistency with the remaining body panels,
• preservation of the characteristic depth and metallic effect of the paint,
• a more professional final result compared to aftermarket replacements that require additional processing.

Installation characteristics and application

The fuel flap cover for the CL203 body has been designed as a component structurally compatible with factory mounting points. This means that with proper selection based on the model and body version, installation in place of the damaged part is possible without the need for body modifications.

In practice, this means:

• maintaining factory gaps between the flap and the fender,
• proper cooperation with the opening and closing mechanism,
• stable seating in the fuel filler zone, which reduces the risk of looseness and unwanted vibrations.

The component from this group is particularly useful for repairs after minor collisions, parking damage, or local corrosion in the fuel filler area.

Component condition and use in repairs

The offered cover comes from the used parts segment, which allows for an economical yet technically correct body repair. In many cases, this is a beneficial solution for users who want to restore the vehicle's aesthetics while maintaining a reasonable service budget.

Choosing an original, used cover in the correct color is especially recommended for:

• local body and paint repairs,
• preparing the car for sale or a technical inspection,
• replacing missing components after previous, incomplete repairs.

Integration with the fuel system and service knowledge

Replacing the fuel flap cover, although it concerns a body component, is directly related to the proper maintenance of the refueling zone. For users who want to better understand the operation of the entire fuel system, diagnostics, and component selection by identification numbers, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

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

Additional practical information on the operation and selection of components for popular C-Class and E-Class models can also be provided by the service guide: Reliability under the star sign – how to take care of engine accessories in popular Mercedes-Benz C-Class and E-Class models?.