Mercedes W203 M272 Petrol Intake Hose Air Duct Pipe Tube Left N/S A2720900782

Mercedes W203 M272 Petrol Intake Hose Air Duct Pipe Tube Left N/S is an original air supply system component, designed for precise air delivery to the intake manifold in M272 petrol units. Thanks to its factory geometry and fitment for the W203 body, it ensures stable airflow and proper integration with other intake components.

Specifications and technical data

• SKU: A2720900782-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720900782
• Substitutable numbers: A2720900782, A 272 090 07 82, A2720941511, A 272 094 15 11, KD
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The described left air intake hose is part of the factory engine air supply system in Mercedes C-Class W203 models with the M272 petrol engine. The component directs air from the filter area towards the intake manifold, maintaining the correct flow cross-section and connection tightness.

A properly selected intake hose:

• ensures stable, unobstructed airflow to the petrol engine,
• reduces the risk of turbulence and pressure drops in the intake duct,
• maintains the correct position relative to adjacent components in the engine bay.

Construction and fitment for Mercedes W203

The hose belongs to the Hoses, pipes and tubes group and is designed specifically for installation on the left side of the engine bay. The shape and mounting points are adapted to the W203 body architecture and the layout of the M272 unit's accessories, which facilitates installation and allows for maintaining the factory intake routing.

Proper fitment translates into:

• secure seating in factory brackets and sockets,
• no collisions with other accessory components,
• maintenance of the airflow path intended by the manufacturer.

Benefits of using an original intake hose

Using an original intake hose in the M272 petrol engine allows for maintaining the engine's operating parameters in accordance with the manufacturer's specifications. The correct cross-section and geometry of the intake duct promote uniform cylinder filling, which is important for engine smoothness, performance, and fuel consumption.

The most important advantages include:

• factory fitment for Mercedes W203 – no need for modifications or adjustments,
• consistency with other intake system components,
• maintenance of the airflow characteristics intended by the manufacturer.

Component condition and service application

The offered intake hose is a used part, making it a practical service solution in case of damage, cracking, or deformation of the existing air duct. Replacing the hose with an original component from the same design series helps restore the correct tightness and geometry of the intake system without the need for aftermarket replacements with uncertain fitment.

This solution is particularly beneficial for:

• repairs after collisions in the front part of the vehicle,
• mechanical damage to the hose in the engine bay,
• diagnosed leaks in the intake area on the left side of the engine unit.

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 intake hoses, vacuum hoses, or air supply pipes, check the available parts in the Mercedes Hoses, pipes and tubes category.

Additional technical support

When planning service work within the engine bay, it is also worth ensuring the efficiency of the steering system and components working with the engine unit. For a better understanding of the relationships between individual subassemblies and symptoms of wear, you can use the advice contained in the article Steering system and power steering – how it works and what fails?, which discusses the diagnostics and operation of key components in an accessible way.