Mercedes W203 Diesel Complete Fuel Tank 62L A2034709101

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W203 Diesel Complete Fuel Tank 62L is an original fuel tank from the Fuel tanks and filler pipes group, designed for diesel systems in Mercedes C-Class W203 generation models. It is a solid, factory-made construction that allows for restoring the proper operation of the diesel fuel supply system and safely storing 62 liters of fuel.

Specifications and technical data

• SKU: A2034709101
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2034709101
• Substitutable numbers: A2034709101, A 203 470 91 01, A2034705394, A 203 470 53 94, A2034705494, A 203 470 54 94
• Fuel type: Diesel
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The fuel tank in the Mercedes W203 is responsible for stable diesel engine supply as well as safe vapor venting and fuel return from the injection system. A properly selected tank eliminates issues with air locks, unstable fuel pressure, or leaks, which can lead to performance drops and equipment failure.

The offered component is dedicated to diesel-powered systems, ensuring compatibility with the operating characteristics of diesel units – which differ from gasoline versions. This ensures proper cooperation with the fuel pump, lines, and injection system components.

Benefits of using an original tank

Using an original fuel tank in a Mercedes W203 translates into a number of practical advantages:

• Factory fitment to the chassis and mounts, without the need for structural modifications.
• Proper internal tank geometry, promoting stable fuel intake at various fill levels.
• Compatibility with the venting system as well as diesel supply and return lines.
• Seamless cooperation with factory fuel system equipment.

As a result, the fuel tank represents a safe and predictable service solution for repairs following collisions, corrosion, or mechanical damage to the tank.

Characteristics and condition of the component

The product comes from the used original Mercedes parts segment, which means maintaining factory construction and mounting parameters while offering an attractive price compared to a new replacement. This type of component is particularly recommended for maintenance repairs where fitment and reliability are key, and there is no need to invest in a new assembly.

The fuel tank is intended for installation in a vehicle equipped with a diesel engine, following standard service procedures: removing the old tank, checking lines and seals, and properly venting the system after installation.

Selection by numbers and technical support

The component has an OEM part number and associated interchangeable numbers, which facilitates precise identification via VIN or the manufacturer's catalog. This allows you to verify compatibility with a specific body version and fuel system in the Mercedes W203, minimizing the risk of purchasing an incompatible tank.

If you want to better understand the role of the tank in the entire fuel supply path, the diagnostic process, and regeneration principles, the following guide article will be helpful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. You will find practical tips there regarding operation and selecting components by OEM numbers.

Category and related Mercedes components

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 supply lines, filler pipes, or venting components, check out the available parts in the Mercedes fuel tanks and filler pipes category.