Fuel Filler Cap Mercedes W169 W211 W203 Tank Cap Lid Cover Black A2204700705

Fuel Filler Cap Mercedes W169 W211 W203 Tank Cap Lid Cover is an original component from the Fuel filler flaps and caps group, designed for diesel engine fuel systems. This used, black cap ensures a tight seal for the filler neck, supporting the proper operation of the fuel system and reducing diesel fuel evaporation.

Specifications and technical data

• SKU: A2204700705-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2204700705
• Substitutable numbers: A2204700705, A 220 470 07 05, A2204700605, A 220 470 06 05, KD
• Color: Black
• Category: Fuel Tank Caps

Purpose and technical function

The fuel cap for Mercedes A-Class W169 and E-Class W211 models is responsible for secure and stable sealing of the fuel filler in diesel vehicles. A correctly selected component from this group minimizes the risk of contaminants entering the tank, limits vapor escape, and helps maintain the proper pressure within the fuel system.

As an original Mercedes part, the cap is structurally matched to the filler neck, which translates into secure tightening, predictable seal performance, and compatibility with the manufacturer's factory solutions.

Construction and functional features

The black color of the component allows for seamless integration with the factory finish of the fuel filler area on the bodywork. The applied geometry and grip profiling facilitate handling the cap even when wearing work gloves or in adverse weather conditions.

Key advantages of this solution include:

• factory fit for the fuel filler neck in selected Mercedes models,
• seal characteristics designed specifically for diesel systems,
• simple, intuitive operation during refueling,
• maintenance of the aesthetic, factory look of the filler area.

Benefits of using an original fuel cap

Using an original cap instead of a worn or faulty component helps reduce common operational issues, such as the smell of fuel around the vehicle or improper tank venting. Proper sealing of the filler is important both for the durability of fuel system components and for the comfort of using the car.

A used OEM part is also a reasonable compromise between cost and quality – you retain the factory fit and design parameters while optimizing your repair or service budget.

Condition and service application

The offered fuel cap is a used part, sourced from dismantling, intended for reinstallation in compatible Mercedes models. It will work well both as a replacement for a damaged or lost cap and as a component to restore the completeness of the fuel system after bodywork repairs in the filler area.

Before installation, it is recommended to perform a standard inspection of the filler neck and seals for dirt and potential mechanical damage to fully utilize the potential of the offered component.

Technical support and additional information

The selection of a fuel cap for a specific engine and body version should always be confirmed based on the OEM number or vehicle data to ensure full compatibility with the fuel system. For users who want to better understand the impact of such elements on the operation of the entire fuel supply system, the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses diagnostics, parts selection, and operating principles, will be helpful.

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

Choosing a used component from dismantling is also real support for the circular economy – you can find more on this topic in the material on the impact of used parts on the environment and vehicle operating costs, which shows how conscious purchasing decisions translate into a lower burden on the planet and the driver's budget.