Mercedes W177 Petrol Fuel Filler Pipe Fuel Tank Neck Line Hose A1774700200

Mercedes W177 Petrol Fuel Filler Pipe Fuel Tank Neck Line Hose from the Lines, hoses and pipes category is an original fuel system component designed for vehicles with petrol engines. It ensures safe and leak-proof fuel delivery from the filler neck to the tank, which is essential for both reliability and daily driving comfort. Using an OEM component is a sensible choice for repairs when you prioritize factory fitment and predictable performance parameters.

Specifications and technical data

• SKU: A1774700200
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1774700200
• Substitutable numbers: A1774700200, A 177 470 02 00
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and technical function

The Mercedes W177 Petrol Fuel Filler Pipe Fuel Tank Neck Line Hose is responsible for precisely guiding petrol from the filler neck to the tank, while maintaining proper tightness and resistance to body vibrations. This component is part of the fuel system, where maintaining a stable fuel flow and limiting evaporation and leaks is critical.

Due to being dedicated to a specific body generation, the geometry and mounting points are matched to the W177 design, which facilitates installation and minimizes the risk of material stress during operation.

Construction and performance features

The fuel filler pipe belongs to a group of components molded from materials resistant to petrol and typical bodywork operating conditions – temperature changes, humidity, and road debris. The hose construction is designed to:

• maintain a stable fuel flow cross-section,
• ensure tight connections with the filler neck and the tank,
• compensate for vibrations and minor body deformations,
• reduce the risk of corrosion and material degradation.

Thanks to its factory origin, the pipe works with original brackets and covers, which translates into secure hose routing and no interference with other components within the bodywork.

Benefits of using an original fuel filler pipe

Using an original fuel filler pipe in a Mercedes W177 allows you to maintain the parameters specified by the vehicle manufacturer. In practice, this means:

• factory fitment to the body structure and fuel system,
• reduced risk of leaks compared to aftermarket parts with universal geometry,
• stable material behavior in contact with petrol,
• easier installation due to compatibility with original mounting points.

A used OEM component is particularly attractive for accident repairs or replacing worn-out lines when the priority is to maintain a design consistent with the factory specifications at optimal costs.

Condition, installation, and use in a petrol system

The offered fuel filler pipe is a used component, which in the case of items from the Lines, hoses and pipes group often represents an effective service solution. Before installation, a standard visual inspection for any mechanical damage, the condition of the connectors, and sealing surfaces is recommended.

When installing in a petrol system, it is worth paying attention to:

• proper routing of the hose relative to the body,
• correct seating in brackets and clamps,
• thorough tightening of connections to the filler neck and fuel tank,
• leak check after the first refueling.

This approach allows you to maintain safe and stable operation of the fuel system in daily vehicle use.

System expansion – other components in the same group

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 lines, flexible hoses, or rigid supply pipes, check the available parts in the Mercedes lines, hoses and pipes category.