Mercedes S212 Touring Fuel Filler Pot Flap Cover Carrier Cap A2126300367

Mercedes S212 Touring Fuel Filler Pot Flap Cover Carrier Cap is an original body component from the Fuel filler flaps and caps group, designed for installation in the rear part of the vehicle. It provides a secure and aesthetic closure for the petrol filler, protecting the fuel system from contaminants and mechanical damage. This is a practical solution for users who want to restore full functionality and a consistent look to the fuel filler area of their Mercedes.

Specifications and technical data

• SKU: A2126300367
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2126300367
• Substitutable numbers: A2126300367, A 212 630 03 67, KZ
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Fuel Tank Caps

Purpose and function of the fuel filler flap

Mercedes S212 Touring Fuel Filler Pot Flap Cover Carrier Cap has been designed as a body component for the rear section of the vehicle, working in conjunction with the petrol fuel system. It is responsible for covering the filler neck, ensuring stable guidance of the cap, and maintaining proper sealing around the filler area. A correctly selected flap minimizes the risk of water, road salt, and dirt entering the filler zone, which promotes longer, trouble-free operation of the fuel system.

The component is dedicated to Mercedes vehicles from the W212 family, ensuring it maintains factory body lines and proper fitment with the fender and bumper. The design intended for use with petrol systems allows for safe vehicle operation in everyday road conditions.

Construction, fitment, and installation

The fuel filler flap belongs to a group of body components with precise geometric fitment. Its original origin ensures compatibility with factory hinges, the opening mechanism, and the filler housing. As a result, installation usually involves simply replacing the old component with the new one, without the need for bodywork modifications.

The solution designed for the rear of the vehicle allows for maintaining a consistent side profile and proper operation of the opening mechanism during daily use. The used nature of the part makes it a reasonable choice for post-accident repairs or replacing a damaged flap when functionality and compliance with the original design are the priorities.

Application in the petrol fuel system

The flap works with the petrol fuel system, protecting the filler area from external factors. A properly functioning component:

• reduces the risk of corrosion in the area of the filler neck,
• protects the cap and filler housing from dirt,
• supports the maintenance of proper sealing in the refueling zone.

Thanks to the retention of the factory shape and dimensions, the flap does not negatively affect the refueling process, and the user retains the ease of operation known from the original vehicle configuration.

Benefits of using an original Mercedes component

Using an original fuel filler flap in a Mercedes W212 allows for maintaining visual consistency of the bodywork and proper operation of the opening mechanism. This is particularly important during post-collision repairs, where compliance with factory mounting points and predictable behavior of the component during long-term use are essential. A used component of this class represents a compromise between repair costs and maintaining a construction consistent with the manufacturer's design.

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

Technical support and component selection

When selecting a fuel filler flap for a specific body version and engine, it is worth paying attention to compatibility with the fuel system and the construction of the rear part of the vehicle. It is helpful to use the manufacturer's markings and catalog data to avoid problems with installation and fitment. A properly selected component reduces repair time and minimizes the risk of leaks in the filler area.

If you want to better understand how the flap works with the entire fuel system, including the tank, lines, and accessories, a guide describing the construction and operation of the fuel system will be useful – you can find it in the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration".