Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess A1776306701

Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess is an original body component from the Fuel filler covers and accessories group, designed to enclose the space around the fuel cap. It ensures an aesthetic finish for the recess, stable guidance for the flap, and protection of the filler neck against dirt and mechanical damage. It is a practical solution for users who want to restore the factory look and functionality of the fuel filler area in their W177 generation Mercedes A-Class.

Specifications and technical data

• SKU: A1776306701
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1776306701
• Substitutable numbers: A1776306701, A 177 630 67 01, A1776305302, A 177 630 53 02, A1776308202, A 177 630 82 02
• Category: Fuel Flaps & Components

Purpose and function of the component

The described fuel filler recess cover acts as a carrier for the flap and a protective housing for the entire filler assembly. It is responsible for:

• stable mounting of the fuel filler flap in the bodywork,
• guiding the opening and closing mechanism,
• protecting the recess from mud, water, and fine debris,
• maintaining consistent geometry of the edges around the filler, which affects the visual quality of the bodywork.

Thanks to the factory design tailored to the W177 body, the component allows for maintaining proper gaps between the flap and the bodywork as well as correct operation of the opening mechanism.

Original origin and fitment

The cover was designed by Mercedes as part of the fuel filler housing system, which guarantees compatibility with factory mounting points and the shape of the wheel arch. Original origin means:

• secure fit to the W177 body structure without modifications,
• preservation of the factory body line in the filler area,
• compatibility with the stock flap and fuel filler equipment.

The component has an assigned OEM part number and associated interchangeable numbers, which facilitates compatibility verification via the VIN or the manufacturer's catalog.

Operational characteristics and installation

As a part from the Fuel filler covers and accessories group, this fuel filler flap carrier is intended for installation in place of the factory component. In practice, this means:

• the ability to use the stock mounting points in the bodywork,
• preservation of the original edge profile around the filler,
• easier alignment with the existing flap and seals.

The used condition of the part allows for an economical repair of the fuel filler area while maintaining the manufacturer's original design.

Benefits of using an original fuel filler recess cover

Using this component in a Mercedes W177 brings a number of practical benefits:

• Restoration of factory geometry – proper alignment of the flap relative to the body panels.
• Protection of the fuel system in the filler area – limiting the access of dirt and moisture to the area around the cap.
• Visual consistency of the bodywork – aesthetic finish of the recess, without gaps or makeshift repairs.
• Easier diagnostics and service – maintaining the original housing facilitates service access to filler components.

For users who care about the technical and visual condition of their vehicle, this is a sensible solution for repairs following a collision, corrosion, or mechanical damage in the fuel filler area.

Support in selection and additional materials

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

To better understand the importance of a properly secured fuel filler for the operation of the entire fuel system, it is worth checking out the guide Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, component selection by part numbers, and operating principles.