Mercedes R172 M274 Air Charge Hose Line Intake Manifold Pipe A2740900382

Mercedes R172 M274 Air Charge Hose Line Intake Manifold Pipe is an original intake system component designed for petrol engines, ensuring stable delivery of compressed air to the intake manifold. Thanks to its factory geometry and precise fit for the M274 engine, the hose guarantees proper airflow, which promotes efficient turbocharger operation and maintains the engine's factory performance parameters. This is a practical solution for users who want to restore the correct operation of the boost system in their Mercedes without the costly replacement of the entire assembly.

Specifications and technical data

• SKU: A2740900382
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2740900382
• Substitutable numbers: A2740900382, A 274 090 03 82
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the boost system

The described intake manifold pipe belongs to the Lines, hoses and pipes category and is responsible for transporting compressed air from the boost system to the intake manifold in a petrol engine. A properly selected hose reduces pressure drops, minimizes the risk of leaks, and supports stable engine performance, which is important for both dynamics and engine refinement.

In case of wear, micro-cracks, or leaks in this area, problems with power, rough idling, or increased fuel consumption may occur. Using an original hose dedicated to the M274 engine allows for restoring the correct intake path and reducing the risk of incorrect readings from boost pressure sensors.

Benefits of using an original hose

Choosing an original intake manifold pipe for a Mercedes with a petrol engine provides a number of practical operational benefits:

• factory fit for the intake system and M274 engine components,
• maintenance of the correct diameter and shape of the channel for stable airflow,
• reduction of the risk of leaks in the boost zone,
• maintenance of proper turbocharger operating parameters,
• possibility of installation without structural modifications.

Thanks to these features, the hose is a functional service solution for repairs of the intake system in Mercedes vehicles with the M274 unit, especially where maintaining the factory characteristics of the petrol engine is crucial.

Product characteristics and installation

The component is intended for Mercedes vehicles with a petrol engine equipped with the M274 unit and the R172 body. As part of the air boost system, it operates under elevated temperatures and pressure, so its condition has a direct impact on the tightness of the entire intake. The product comes from dismantling, which allows for an economical repair while maintaining the original design of the hose.

In most cases, the installation of the hose is similar to the factory disassembly process – after disconnecting the old element and cleaning the contact surfaces, it is possible to seat the intake manifold pipe in the existing mounting points. Proper positioning of the hose relative to other intake system components reduces stress and extends its durability.

Application in petrol engines

The hose has been designed for units powered by petrol, where precise routing of compressed air to the manifold is required. In these types of engines, stable boost pressure is essential for the operation of the injection system, combustion control, and protection of turbocharger components. Using a dedicated hose helps maintain proper operating conditions throughout the entire intake system.

Expansion of the intake system in a Mercedes

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional intake hoses, vacuum hoses, or breather pipes, check the available parts in the Mercedes lines, hoses and pipes category.

Support for interior upgrades

If, in parallel with work on the intake system, you are considering refreshing your car's cabin and are interested in a practical approach to purchasing second-hand components, it is worth checking out the guide on choosing seats, steering wheels, and multimedia – you will find it in the article Premium interior for half the price: second-hand seats, steering wheels, and multimedia.