Mercedes ML GLE W166 Fuel Filler Neck Fuel Flap Cap Cover Trim A1666300067

Mercedes ML GLE W166 Fuel Filler Neck Fuel Flap Cap Cover Trim is an original body component designed for installation in the fuel filler area, providing an aesthetic and functional finish for this part of the vehicle. As a part from the Fuel filler flaps and accessories group, it has been specifically designed for the W166 series body geometry, which translates into a proper fit and stable mounting. This used component allows for an economical yet professional vehicle repair while maintaining a factory appearance.

Specifications and technical data

• SKU: A1666300067
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666300067
• Substitutable numbers: A1666300067, A 166 630 00 67
• Category: Fuel Flaps & Components

Purpose and function of the component

The fuel filler flap in Mercedes ML / GLE W166 models is responsible for covering the fuel filler neck and integrating with the body line. This component:

• protects the filler area from external dirt,
• limits the access of moisture and fine contaminants,
• stabilizes the position of the fuel filler cap,
• maintains a consistent appearance of the side body section.

Thanks to its factory design, the cover works with the original opening and closing mechanism, which facilitates daily vehicle operation and reduces the risk of leaks in the filler area.

Compatibility and fit for Mercedes W166

The offered component is intended for the W166 series body, used in Mercedes ML and GLE models. The cover design takes into account:

• the shape and bending radius of the side panel,
• the position of the fuel filler neck relative to the fender,
• mountings compatible with the original hinge and opening limiter,
• the working space for the fuel filler cap.

Such a fit translates into proper alignment with the bodywork, no stress in the mounting area, and correct operation of the flap opening mechanism. In practice, this means the possibility of replacing a damaged component without interfering with the body structure.

Characteristics of the used component

The fuel filler flap comes from disassembly, which allows for combining a lower purchase cost with the preservation of the original geometry and manufacturer's quality standards. The used component:

• retains factory dimensions and mounting points,
• is suitable for use as a replacement for a damaged cover after a collision or corrosion,
• enables the restoration of proper fuel flap operation without the need for adaptation.

For workshops and services specializing in the Mercedes brand, this is a practical solution that facilitates the execution of body and mechanical repairs in the fuel filler area.

Benefits of using an original fuel filler flap

Using an original fuel filler flap in a Mercedes ML / GLE W166 brings a number of operational and service benefits:

• Visual consistency of the body – maintaining the side line and gaps between body elements according to the manufacturer's design.
• Proper cooperation with the fuel cap and filler neck – no collision of elements during opening and closing.
• Reduced risk of contaminants entering the filler area, which promotes stable operation of the fuel system.
• Easier identification and selection of parts thanks to manufacturer markings and assignment to a specific body series.

For the user, this means more predictable vehicle behavior in daily operation and the ability to maintain the vehicle in a condition close to factory standards.

Technical support and additional materials

To better understand the impact of the fuel filler area condition on the operation of the entire fuel system, it is worth reading the guide on diagnostics and operation of the fuel system: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. The article discusses, among other things, the importance of properly securing the fuel filler against contamination.

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