Fuel Filler Cap Mercedes W176 W205 W213 Fuel Tank Cover A0004700800

Mercedes W176 W205 W213 Fuel Tank Cap is an original part from the Fuel Filler Flaps and Caps group, designed for Mercedes compact and executive class models. It ensures a tight seal for the tank, stabilizes the fuel system's operation, and helps maintain proper fuel operating conditions. This is a practical solution for users who want to restore the full functionality of the factory refueling system.

Specifications and technical data

• SKU: A0004700800-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0004700800
• Substitutable numbers: A0004700800, A 000 470 08 00
• Category: Fuel Tank Caps

Purpose and Technical Function

The fuel filler cap in Mercedes vehicles of the W176, W205, and W213 series is responsible for the controlled closure of the filler neck and maintaining the correct pressure and seal within the tank. A properly selected component reduces the risk of contaminants entering the fuel, minimizes evaporation, and supports the correct operation of the engine's fuel supply system.

As part of the Fuel Filler Flaps and Caps category, this cap is designed for the specific geometry of the filler neck in a given body style, which translates to a secure fit, proper seal operation, and convenience during everyday refueling.

Compatibility with Mercedes Vehicles

The presented cap is dedicated to selected Mercedes models designated by the symbols W176, W205, and W213, which in practice means it is adapted to the fuel system design used in these generations. Proper compatibility with specific body versions and fuel systems is crucial for maintaining a seal and correct cooperation with the tank's ventilation system.

To precisely verify compatibility with a specific vehicle, it is advisable to use the VIN number or manufacturer's designations – this helps avoid installation problems and ensures the cap will operate according to factory specifications.

Usage Characteristics and Installation

As a wear part, the fuel filler cap is exposed to temperature changes, fuel exposure, and frequent opening and closing cycles. Replacing it with a functional component restores the proper seal of the filler neck, which can reduce undesirable fuel odors around the vehicle and support stable operating conditions for the fuel system. The product comes from the used parts segment, allowing for a combination of functionality and a favorable purchase cost.

In most cases, installing the cap involves placing it in the factory filler neck and checking for proper closure. Thanks to its design, which is consistent with the vehicle manufacturer's solutions, this process is simple and does not require modifications to the filler neck or additional adapters.

Significance for the Fuel System

A functional fuel filler cap has a direct impact on the conditions inside the tank and the operation of the fuel supply system components. Maintaining a proper seal helps limit the ingress of moisture and contaminants, which is important for both tank durability and the longevity of injectors and the fuel pump. For vehicles equipped with advanced fuel vapor emission control systems, a properly functioning cap supports the correct operation of these solutions.

If you want to better understand how the filler cap fits into the overall fuel supply system, it is worth referring to the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. The article discusses the relationships between individual components and provides tips on how to select parts by numbers and how to care for their operation.

Why Choose a Used Mercedes Fuel Cap

Choosing a used, original fuel filler cap for a Mercedes is a solution that allows for factory-like fit while reducing costs. You receive a part designed specifically for the given fuel system, maintaining the correct geometry, closing mechanism, and cooperation with the seals in the filler neck.

If you want to learn more about the advantages of making a sensible choice of parts from the secondary market, the guide will be helpful: Used Parts – Your Guide to the Best Deals in the Automotive Store. You will find practical tips there on how to assess the condition of components and what to look for when purchasing.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other parts from the same group, such as additional caps, flaps, or filler neck covers, check the available parts in the category Mercedes Fuel Filler Flaps and Caps.