Fuel Filler Cap Mercedes W169 W203 W204 W211 Diesel Tank Cover Red A2204700705

Visual condition of the part

The product shows signs of use visible in the photos.

Fuel Filler Cap Mercedes W169 W203 W204 W211 Diesel Tank Cover Red is an original item from the Fuel filler flaps and caps group, designed for diesel fuel systems. This used, factory-original red cap ensures a tight seal of the filler neck, supporting the proper operation of the fuel system in Mercedes vehicles.

Specifications and technical data

• SKU: A2204700605
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2204700605
• Substitutable numbers: A2204700705, A 220 470 07 05, A2204700605, A 220 470 06 05
• Fuel type: Diesel
• Color: Red
• Category: Fuel Tank Caps

Purpose and technical function

The presented fuel cap is a component dedicated to Mercedes cars with diesel engines, where maintaining the proper tightness of the fuel system is crucial. The design, adapted for diesel fuel, reduces evaporation, minimizes the risk of contaminants entering the tank, and helps maintain stable operating conditions for the pump and injectors.

As a part from the Fuel filler flaps and caps category, the cap is responsible for:

• mechanically securing the filler neck against accidental opening,
• protecting against dirt and moisture entering the filler neck,
• maintaining proper sealing during vehicle operation.

Performance parameters and color

The fuel cap has been designed for diesel-powered systems, which is important both from a safety perspective and for compliance with the manufacturer's requirements. The diesel fuel type helps avoid refueling mistakes and facilitates the identification of the correct part during service.

The distinct red color allows for quick location of the cap within the filler recess, which improves handling ergonomics during daily use. At the same time, it serves as a clear visual signal for the user and service personnel, supporting proper refueling procedures.

Condition, origin, and benefits of choosing a used part

The offered fuel cap is a used item, sourced from a dismantled Mercedes vehicle. Choosing an original, used component allows you to maintain factory-fit to the filler neck and compliance with the manufacturer's requirements, while reducing costs compared to new parts.

A used cap from the OEM group is a particularly beneficial solution when you care about:

• maintaining proper geometry and fit with the filler socket,
• maintaining original sealing parameters,
• a rational budget for the repair or modernization of the fuel system.

To better plan the service and operation of the fuel system, it is worth checking out the guide: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, selecting parts by part numbers, and proper handling principles.

Application in service practice

Replacing the fuel cap is a simple but technically important operation, especially in vehicles with diesel engines, where leaks can contribute to fuel supply problems. Selecting the right part for your Mercedes allows you to avoid makeshift solutions and ensures stable operating conditions for the entire system.

With rising service costs, it is worth considering a conscious choice of used OEM components – you can find more on this topic in the article: Rising repair costs and the boom in used parts – how to save on car service?, which discusses practical strategies for optimizing expenses while maintaining appropriate quality.

Expanding fuel filler modernization

If you are planning a comprehensive repair or modernization of the fuel filler area in your Mercedes and need other items from the same group, such as additional caps, flaps, or filler covers, check out the available parts in the Mercedes fuel filler flaps and caps category.

This approach allows you to organize the entire filler area in one service stage, improve handling ergonomics, and reduce the risk of future leaks resulting from the wear of related components.