Mercedes CL203 Fuel Filler Flap Tank Cap Cover Tanzanite Blue A2037500806

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes CL203 Fuel Filler Flap Tank Cap Cover Tanzanite Blue is an original body component designed for the aesthetic and functional covering of the fuel tank filler. Thanks to its factory origin, it ensures precise fitment to the body lines and color consistency with the Tanzanite Blue Metallic – 359 body paint. It is a practical solution for post-accident repairs, bodywork and paint corrections, or replacing a damaged cover.

Specifications and technical data

• SKU: A2037500806-TB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037500806-TB
• Substitutable numbers: A2037500806, A 203 750 08 06
• Color: Tanzanite Blue Metallic - 359
• Category: Fuel Flaps & Components

Purpose and function of the component

The fuel filler flap is responsible for protecting the fuel tank filler from dirt, moisture, and mechanical damage, while also completing the side line of the vehicle body. In Mercedes CL203 models, it is an integral part of the fender panel, which is why its proper fit is important both for protecting the fuel system and for the visual continuity of the paint surface.

The offered item comes from the Fuel filler flaps and accessories group, meaning it has been specifically designed for operation in the fuel filler area – with the appropriate geometry, mounts, and opening kinematics.

Color and paint matching Tanzanite Blue Metallic – 359

The factory color Tanzanite Blue Metallic – 359 is a distinctive, deep shade of blue with a metallic effect, often found in premium Mercedes models. Using an original paint on the fuel filler flap allows you to:

• maintain visual consistency of the entire side of the vehicle,
• minimize the scope of potential paintwork,
• facilitate color matching during spot repairs.

For body shops and users who care about body aesthetics, this is a practical base for installation or potential paint correction for a specific vehicle.

Installation and performance characteristics

The fuel filler flap for the Mercedes CL203 has been designed as a body component that works with the hinge and opening mechanism in the vehicle's factory system. This means that:

• the cover geometry is adapted to the original fender socket,
• the mounts are prepared for standard construction solutions,
• after proper installation, the gap line and even adherence to the body are maintained.

The product is offered as a used part, which in practice means real cost savings while maintaining the manufacturer's original specifications. This is a beneficial solution for maintenance repairs, corrections after minor collisions, or restoring the car to a near-factory state.

Application in the fuel system and bodywork

Although the fuel filler flap is a body component, its condition has a direct impact on protecting the fuel system. A properly closing cover limits the access of dirt and moisture to the cap and filler neck, which promotes trouble-free operation of the fuel tank and associated components. Combined with a properly maintained cap and seals, it helps maintain the tightness of the filler area.

If you want to better understand how the condition of external components affects the operation of the tank and the entire fuel supply path, it is worth checking out the guide on diagnostics and maintenance of the fuel system: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Selection, compatibility, and other items in this group

When choosing a fuel filler flap for a Mercedes CL203, it is crucial to pay attention to the body model and color compatibility with the vehicle's paint. Original items from the Fuel filler flaps and accessories group are designed to work with factory hinges, locks, and seals, which facilitates installation and subsequent operation.

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Mercedes and need other items 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.

When performing bodywork and replacing body components, it is also worth considering other used body parts that allow you to optimize repair costs without sacrificing original quality – you can find more on this topic in the article: Replacing body parts with used ones – can salvaged body parts look like new?.