Fuel Line Mercedes W204 R172 W212 Petrol M271 Injection Pipe A2710701432

Fuel Line Mercedes W204 R172 W212 Petrol M271 Injection Pipe is an original fuel system component designed for M271 petrol engines in selected Mercedes models. This specialized line, belonging to the Lines, hoses, and pipes category, ensures precise fuel delivery to the injectors, which translates into stable engine operation and correct injection characteristics.

Specifications and technical data

• SKU: A2710701432-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2710701432
• Substitutable numbers: A2710701432, A 271 070 14 32
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Application in the M271 petrol engine

The fuel injection line in the M271 engine is responsible for the sealed and controlled delivery of petrol at the correct pressure to the fuel rail. In petrol units, any leaking or worn line can cause a loss of power, rough engine idling, and even starting problems. Using a dedicated line for this engine series helps maintain proper supply parameters, supports even fuel dosing, and reduces the risk of unwanted leaks.

Technical and functional characteristics

The offered component has been designed as part of the high-pressure petrol system, taking into account the specific thermal and mechanical loads occurring in the engine compartment. The design of the line is adapted for:

• operation with petrol fuel at high operating pressure,
• resistance to the temperature generated by the M271 engine,
• stable mounting at factory installation points in W204, R172, and W212 models,
• compatibility with the original fuel rail and fuel system accessories.

As a result, the line maintains appropriate rigidity and flexibility in the required areas, minimizing vibrations and stress on the connections. Precise fitment for the specific engine family reduces the risk of installation errors and non-factory modifications.

Benefits of using an original fuel injection line

In the fuel supply system, every element has a direct impact on the safety and refinement of the engine. Using a line dedicated to a Mercedes with an M271 engine provides a number of practical benefits:

• maintenance of factory fuel pressure parameters in the fuel rail,
• reduction of the risk of fuel leaks in the engine compartment,
• stable injector operation under various loads,
• better fuel dose repeatability, which promotes proper combustion,
• easier fuel system diagnostics due to the preservation of the original configuration.

A properly selected fuel line is particularly important in vehicles used intensively or after service modifications, where the fuel system operates under a wide range of loads and temperatures.

Condition, fitment, and installation

The item comes from a Mercedes vehicle and is classified as used, which allows for an economical replacement of the line while maintaining the original specification. Thanks to its factory origin, the line is structurally matched to the fuel system in W204, R172, and W212 models with the M271 petrol engine, which facilitates installation in place of a worn or damaged component.

When replacing, it is recommended to follow the service procedures appropriate for the fuel system: pressure relief, seal inspection, and leak verification after installation. This approach allows for fully utilizing the potential of the part and reducing the risk of subsequent leaks.

Fuel system expansion and related parts

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

For drivers who are simultaneously analyzing the condition of the drivetrain, including the transmission, a practical guide describing common faults and principles for selecting used components may be helpful – detailed information can be found in the article Transmission: manual, automatic, or DSG – common faults and a guide to buying a used transmission.