Mercedes W204 W207 Fuel Tank Petrol Complete Fuel Container Unit 66L A2044701201

Mercedes W204 W207 Fuel Tank Petrol Complete Fuel Container Unit 66L is an original component from the Fuel tanks and filler pipes group, designed for Mercedes vehicles with petrol engines. This is a solution for users who expect stable fuel system operation, proper engine fuel supply, and a secure fit to the factory installation.

Specifications and technical data

• SKU: A2044703702
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2044703702
• Substitutable numbers: A2044703702, A2044700294, A 204 470 02 94, A2044700394, A 204 470 03 94
• Weight: 150
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented tank is a component of the fuel supply system in Mercedes W204 and W207 class models, designed to work with petrol engines. It is responsible for the safe storage of fuel, its stable delivery to the pump, and maintaining the proper operating conditions of the entire system, which translates into engine performance and predictable output.

As a part from the Fuel tanks and filler pipes category, this component works with fuel lines, sensors, and fuel system accessories to create a cohesive supply system. The tank's design is adapted to the Mercedes chassis architecture, which facilitates installation and ensures proper routing of lines and mounts.

Construction, parameters, and fitment

The tank has been designed as a complete solution with a nominal capacity of 66 liters, allowing for a comfortable vehicle range while maintaining the manufacturer's factory specifications. The construction accounts for fuel system accessory locations, mounting points, and geometry matched to the W204 and W207 bodies, ensuring that installation is orderly and predictable.

The appropriately selected weight and shape of the tank promote even load distribution in the vehicle, as well as proper routing of fuel and vent lines. For the user, this means stable vehicle handling and a reduction in the risk of improper installation that could affect fuel system performance.

Condition, origin, and benefits of use

The item is offered as a used fuel tank, which provides a reasonable compromise between cost and functionality, especially during maintenance repairs or after mechanical damage. Choosing an original component from dismantling allows for maintaining factory fitment to the body, brackets, and fuel installation, without the need for adaptations or modifications.

The main advantages of using this tank in a Mercedes W204 or W207 include:

• Factory geometry – perfect fit to the chassis construction and mounting points.
• Compatibility with petrol systems – compliance with the operating parameters of petrol engines.
• Cost-effectiveness – a favorable alternative to new parts while maintaining original specifications.

Selection by numbers and system integration

The product has a dedicated OEM part number and interchangeable numbers, which facilitates precise identification and selection for a specific Mercedes version. This allows for verifying the tank's compatibility with a given vehicle, minimizing the risk of purchasing an incorrect part. In practice, this translates into a more efficient service process and shorter vehicle downtime.

To better understand the role of the tank in the entire supply system, how it works with the fuel pump and injectors, and the principles of proper maintenance, it is worth consulting expert material – this is discussed in detail in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, where you will find practical tips on diagnostics and selecting parts by OEM numbers.

Expanding work within the fuel system

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as additional tanks, lines, or filler pipes, check out the available parts in the Mercedes fuel tanks and filler pipes category.

A well-selected and correctly installed fuel tank in a Mercedes W204 or W207 is not only a matter of fuel system efficiency but also of safety and predictable vehicle behavior in daily use. Choosing an original component from this group allows you to maintain the car's performance at the level intended by the manufacturer and reduce the risk of problems related to leaks or improper fitment.