Mercedes W212 M272 Engine Fuel Injection Pipe Hose Line A2720700435

Mercedes W212 M272 Fuel Injector Line is an original fuel system component designed for M272 engines used in E-Class W212 models. Thanks to its factory geometry and fit, the line ensures stable fuel delivery to the injectors and proper cooperation with other engine components. This is a practical solution for users who want to restore the correct operation of the injection system while maintaining manufacturer standards.

Specifications and technical data

• SKU: A2720700435
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720700435
• Substitutable numbers: A2720700435, A 272 070 04 35
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and Function in the Fuel System

This line belongs to the group of components responsible for the precise delivery of fuel to the injectors in the M272 engine. It is responsible for:

• maintaining adequate fuel pressure between the rail and the injectors,
• ensuring a leak-proof connection at individual supply points,
• stable delivery of the working medium under varying engine load conditions.

By retaining its original design, the line cooperates with the factory equipment of the powertrain, which reduces the risk of leaks and fuel metering issues.

Construction and Fit for Mercedes W212 M272

The component has been specifically designed for the M272 engine architecture installed in the W212 body. This means that:

• the shape and length of the line are adapted to the factory routing in the engine bay,
• the connection points match the factory sockets of the injectors and fuel rail,
• the arrangement of mounting points allows for secure attachment without interfering with other components.

This precise fit promotes stable fuel system operation and facilitates installation in a service environment.

Condition, Origin, and Benefits of Use

The line comes from the Lines, Hoses, and Tubes group and is a used part, offering a reasonable compromise between repair cost and maintaining original manufacturer specifications. Choosing a used part allows you to:

• reduce the cost of restoring the fuel system's functionality,
• maintain compatibility with the engine's factory design,
• avoid fitting issues characteristic of aftermarket alternatives with universal designs.

For workshops and individual users, this means more predictable installation and a reduced risk of requiring additional modifications.

Installation and Operational Tips

When replacing the injector line in the M272 engine, it is worth paying attention to several technical aspects:

• checking the condition of the connection sockets and seals,
• correctly routing the line according to the factory layout,
• verifying the system's leak-tightness after the engine's initial start-up.

This approach helps maintain safe and repeatable operation of the injection system and reduces the risk of fuel leaks or pressure drops.

System Expansion – Related Components

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as additional fuel lines, return hoses, or supply tubes, check the available parts in the Mercedes Lines, Hoses, and Tubes category.

When selecting used fuel system components, it is also advisable to familiarize yourself with practical tips for choosing parts from the secondary market – the article Buying Used Car Parts • Common Mistakes When Choosing Parts for Tuning, which discusses typical pitfalls and best practices for such purchases, may be helpful.