Mercedes R171 M271 M272 Fuel Tank Petrol Complete Fuel Tank Unit A1714702501

Mercedes R171 M271 M272 Fuel Tank Petrol Complete Fuel Tank Unit is an original fuel system component designed for petrol engines of this series. It ensures safe fuel storage and stable supply to the power unit, which translates into predictable engine performance and driving comfort. Thanks to its factory design, the Mercedes fuel tank is properly matched to the vehicle's body geometry and fuel system.

Specifications and technical data

• SKU: A1714702501
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1714702501
• Substitutable numbers: A1714702501, A 171 470 25 01, A1714703394, A 171 470 33 94, A1714700990, A 171 470 09 90
• Weight: 150
• Fuel type: Petrol
• Category: Fuel Tanks & Filler Necks

Purpose and function in the fuel system

The presented tank belongs to the Fuel tanks and filler pipes group, responsible for the safe storage of petrol and its delivery to other fuel system components. The design, adapted for M271 and M272 series petrol engines, enables proper cooperation with engine accessories, fuel lines, and the venting system.

A properly selected fuel tank reduces the risk of leaks, venting issues, and fuel pump malfunctions. Precise fitment to the specific Mercedes platform allows for maintaining factory routing of lines, mounts, and support points, which facilitates installation and subsequent maintenance.

Key technical features and fitment

As an original Mercedes component, the tank has been designed to maintain factory safety and durability standards. Adaptation for petrol ensures compatibility with typical injection systems used in this engine generation, as well as with factory fuel level sensors and equipment mounted inside the tank.

It is always recommended to verify the selection of the correct fuel tank using part numbers and vehicle data to ensure full compatibility with the chassis, mounts, and line layout. Using a dedicated component minimizes the need for modifications and allows for maintaining the original geometry of the fuel system.

Condition, application, and installation aspects

The offered fuel tank is a used part, which in practice means an opportunity for an economical repair of the fuel system while maintaining the manufacturer's original design. This type of component is particularly suitable for replacing a damaged tank after a collision, corrosion, or mechanical failure, where maintaining factory fitment to the chassis is essential.

During installation, it is recommended to check the condition of seals, lines, and mounting elements, as well as to thoroughly clean the contact surfaces with the bodywork. A properly installed fuel tank reduces vibration transmission, ensures stable support, and promotes trouble-free operation in the long term.

Benefits of using an original Mercedes fuel tank

• Factory fitment to the fuel system and body of Mercedes vehicles with M271/M272 series petrol engines.
• Compatibility with fuel system accessories, including sensors and lines.
• Opportunity for economical repair while maintaining the manufacturer's original design.
• Reduced risk of leaks and venting problems thanks to the correct tank geometry.

Technical support and related fuel system components

To better plan your fuel system service, it is worth checking our guide on diagnostics and operation, which discusses selecting parts by part numbers, regeneration, and typical signs of wear – details can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

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 filler pipes, return lines, or venting elements, check the available parts in the Mercedes fuel tanks and filler pipes category.