Mercedes W204 Fuel Flap Tank Cap Cover Schwarz Black - 040 A2047540009

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W204 Fuel Flap Tank Cap Cover Schwarz Black - 040 is an original body component from the Fuel filler flaps and accessories group, designed for installation in the rear section of the vehicle. Finished in Schwarz Black – 040, it allows for maintaining visual consistency of the bodywork and restoring the factory look of the fuel filler area following damage or a collision.

Specifications and technical data

• SKU: A2047540009-BLA
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047540009
• Substitutable numbers: A2047540009, A 204 754 00 09, KZ
• Location on the vehicle: Rear
• Color: Schwarz Black - 040
• Category: Fuel Flaps & Components

Purpose and function of the component

The fuel filler flap on the Mercedes W204 model is responsible for covering the fuel intake and providing an aesthetic finish to the rear fender. It is mounted in the rear part of the body, in the immediate vicinity of the fuel flap, ensuring:

• protection of the refueling area against external dirt,
• a consistent body line transition in the rear fender area,
• stable mounting at factory structural points.

The original Mercedes branding ensures precise fitment to the bodywork and compatibility with standard hinges and the opening mechanism.

Color and visual fitment

The finish in Schwarz Black - 040 allows for maintaining a uniform body color on vehicles painted in this color code. As a result, the component fits well into the W204 styling line, reducing the need for additional paint work or its scope.

The cover is particularly useful for post-accident repairs, body and paint corrections, and replacing damaged components in the rear section of the vehicle, where both aesthetics and proper fitment with adjacent panels are essential.

Installation characteristics

The component is designed for installation in the rear body zone, in the factory location provided by the manufacturer. The design of the cover complies with the original Mercedes standard, which facilitates:

• installation at existing mounting points,
• maintaining correct gap geometry relative to the fender and bumper,
• cooperation with the standard flap opening mechanism.

As a used part, the cover provides a cost-effective solution while maintaining the original manufacturer specification, which is important both in service repairs and when restoring the vehicle's factory appearance.

Application in the vehicle's fuel system

Although the fuel filler flap is a body component, it remains directly linked to fuel system maintenance, affecting the comfort and safety of refueling. A properly selected and installed flap reduces the risk of contaminants entering the area around the fuel cap and facilitates daily vehicle operation.

For drivers interested in a broader perspective on issues related to engine fueling, diagnostics, and component selection, the article describing the operation of the entire fuel system – injectors, pumps, and the tank – will be helpful, available at the link: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Complementary Mercedes Fuel filler flaps and accessories

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 flaps, covers, or accessory finishing elements, check the available parts in the Mercedes Fuel filler flaps and accessories category.