Mercedes W176 Fuel Tank Return Pipe Line Hose Tube A2464760075

Mercedes W176 Fuel Tank Return Pipe Line Hose Tube is an original fuel system component belonging to the Lines, hoses and pipes group. Designed by the vehicle manufacturer, it ensures proper fuel routing in the return circuit, stable engine operation, and compliance with the factory system design. A used OEM component is a sensible choice for maintenance when you want to ensure a perfect fit and maintain performance parameters consistent with Mercedes specifications.

Specifications and technical data

• SKU: A2464760075
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2464760075
• Substitutable numbers: A2464760075, A 246 476 00 75
• Category: Hoses, Lines & Pipes

Purpose and technical function

The fuel return line in the Mercedes W176 class is responsible for the safe discharge of excess fuel from the injection system back to the tank. A correctly selected component:

• maintains stable pressure in the fuel system,
• reduces the risk of air ingress and power drops,
• supports smooth operation of the power unit across the full load range.

Thanks to its factory geometry and internal diameter, the line works with original connectors and mounting brackets, which facilitates service and reduces the risk of leaks.

Advantages of using an original line

Using an original fuel return line instead of universal parts allows you to maintain factory flow characteristics. This is particularly important in modern injection systems, where even minor deviations can affect engine refinement. Key benefits include:

• Full compatibility with the fuel system – the line is matched to the specific body architecture and installation routing in the Mercedes W176.
• Stable operating parameters – appropriate flexibility and material resistance to fuel and temperature.
• Reduced risk of leaks – factory ends and working sections work with original quick-connectors.

A used OEM element is also a way to maintain high quality while reducing repair costs compared to new parts.

Component condition and service application

The line comes from dismantling, which allows you to combine an attractive cost with the preservation of the factory design. This type of part is suitable both for the typical replacement of a worn or damaged line and for post-collision repairs, where it is necessary to restore the fuel installation routing in accordance with the original. By choosing a used Mercedes fuel return line, you gain a component with known specifications, matched to the factory mounting system.

Integration with other fuel system components

The line works with other fuel supply system components, such as the fuel pump, fuel rail, or fuel filter. Proper routing of the return line is important for:

• maintaining the appropriate fuel temperature in the tank,
• reducing vibrations and stresses in the installation,
• ensuring safe routing of the line relative to body and chassis elements.

Thanks to this, the fuel system maintains the durability designed by the manufacturer and predictable behavior during operation.

Service expansion within fuel lines

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 flexible hose sections, rigid pipes, or additional return lines, check the available parts in the Mercedes lines, hoses and pipes category.

To better plan your repair and shorten the vehicle's downtime in the workshop, it is worth checking out the guide on our blog: Availability of car parts off-the-shelf vs. repair time – how do used OEMs shorten workshop stays?.