Mercedes W205 M274 Fuel Tank Petrol Complete Tank Reservoir A2054708300

Mercedes W205 M274 Fuel Tank Petrol Complete Tank Reservoir is an original fuel system component designed for vehicles of this series with a petrol engine. Thanks to its factory design, it ensures proper fuel storage, system tightness, and stable operating conditions for the powertrain. A used tank is a sensible choice for repairs when compliance with factory specifications and cost control are priorities.

Specifications and technical data

• SKU: A2054708300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054708300
• Substitutable numbers: A2054708300, A 205 470 83 00
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented fuel tank is a component in the Fuel tanks and filler pipes category, responsible for the safe storage of petrol and interaction with other fuel system components. The design adapted to the M274 unit enables proper venting, stable fuel pump supply, and compatibility with fuel level sensors and the vehicle's electrical installation.

As a part dedicated to the specific W205 body series, the tank ensures proper mounting to the chassis, correct routing of lines, and compatibility with original mounting hardware. This solution reduces the risk of leaks and fitment issues typical of universal aftermarket replacements.

Benefits of using an original fuel tank

Using an original tank in a petrol-powered car translates into a number of practical benefits:

• preservation of the factory fuel system geometry and correct fuel flow,
• secure fitment to the body mounting points,
• compatibility with original lines, sensors, and accessories,
• reduction of the risk of leaks and venting problems.

For the user, this means stable engine operation, a lower risk of fuel-related failures, and easier diagnostics in case of any issues. A fuel system based on OEM components is also more predictable in terms of maintenance.

Technical characteristics and installation

The fuel tank in this model is designed for use with petrol, which is significant for the material's resistance to chemical composition and additives. The construction takes into account the requirements of modern powertrains, where stable pressure and fuel purity are crucial for the operation of the injection system and emission control systems.

A used component allows for an economical vehicle repair following mechanical damage, corrosion, or failure of the previous tank. With proper installation, following the manufacturer's procedures and performing leak checks, it can continue to perform its function in daily operation.

Selection, diagnostics, and fuel system operation

When replacing the fuel tank, it is worth paying attention to the condition of the lines, filler pipes, mounts, and associated components to avoid the problem returning shortly after. Selecting parts according to the manufacturer's markings facilitates service and ensures the consistency of the entire system.

If you want to better understand how the fuel system works, the diagnostic process, and the principles of selecting components by manufacturer markings, the following article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips there regarding operation and typical symptoms of failures.

Expanding repairs within the fuel system

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