Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess A1776305302

Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess is an original body component designed for the fuel filler area in A-Class W177 series models. It ensures an aesthetic finish of the recess, stable guidance of the fuel cap, and proper seating of the flap, which translates into trouble-free operation of the refueling system and a consistent body appearance. Thanks to its factory design, the component is perfectly matched to the geometry of the wheel arch and the fuel filler flap, which facilitates installation and reduces the risk of leaks.

Specifications and technical data

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

Purpose and function of the component

The described Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess is part of the refueling zone assembly in the A-Class W177 generation. It is responsible for:

• stable retention of the fuel cap socket in the body,
• correct guidance of the fuel filler flap in its housing,
• protecting the wheel arch structure from dirt and moisture in the filler area,
• maintaining the consistent geometry of the recess, which facilitates opening and closing the flap.

Thanks to its factory design, the component works with original body mounts, allowing for replacement without bodywork modifications or additional adjustments.

Construction and fitment for Mercedes W177

The Mercedes W177 Cover Fuel Filler Pot Carrier Cap Fill in Flap Recess has been designed specifically for the W177 platform, taking into account the shape of the fender, the flap, and the routing of fuel system lines. This means that:

• the placement of mounting points corresponds to the factory holes in the body,
• the profile of the recess is consistent with the outline of the flap, which minimizes the risk of rubbing,
• the design provides space for fuel system components in the filler area.

Such fitment translates into trouble-free installation and preservation of the original body line, which is important both for post-accident repairs and when replacing worn-out assembly components.

Condition, service application, and benefits of installation

The component comes from the Fuel filler covers and accessories group, meaning it is intended for work in the area of the refueling system and wheel arch assembly. It will prove particularly useful in situations where:

• the recess has been damaged as a result of a collision or improper opening of the flap,
• replacement of the component is necessary after body and paint repairs,
• there are problems with the proper closing of the fuel filler flap.

Using an original cover allows you to maintain the factory fit of body components, reduce the risk of corrosion in the filler area, and ensure convenient access to the cap during refueling.

Technical support and selection by part numbers

When selecting components in the fuel system zone, it is worth paying attention to compatibility with the specific body generation and engine version. If you want to better understand the construction and service requirements of the 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, mounts, or additional covers, check out the available parts in the Mercedes fuel filler covers and accessories category.