Mercedes W204 C207 W211 W212 M272 Vent Pipe Breather Line Hose Tube A2720181482

Mercedes W204 C207 W211 W212 M272 Vent Pipe Breather Line Hose Tube is an original crankcase ventilation system component designed for M272 petrol engines in selected Mercedes C-Class, E-Class, and coupé models. Thanks to its factory geometry and precise fit for petrol units, it ensures stable oil vapor discharge and proper operation of the intake system. This is a practical solution for users looking to restore correct engine performance parameters without compromising on compatibility.

Specifications and technical data

• SKU: A2720181482
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2720181482
• Substitutable numbers: A2720181482, A 272 018 14 82, A2720181282, A 272 018 12 82
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and technical function

The vent pipe breather line hose tube in the M272 engine is responsible for the controlled discharge of gases from the crankcase to the intake system, which directly affects idle stability, engine refinement, and exhaust emission levels. For petrol engines, it is particularly important to maintain the tightness and patency of this component to avoid issues such as unstable RPM, power loss, or excessive oil consumption.

The offered item comes from the Lines, hoses, and tubes category, meaning it has been designed to operate in an environment exposed to temperature fluctuations, contact with oil vapors, and vacuum in the intake system. The design of the hose is adapted to the specific routing in the Mercedes engine bay, maintaining the correct bending radius and mounting points.

Compatibility with the M272 petrol engine

The hose has been developed for M272 petrol units used in Mercedes W204, C207, W211, and W212 models. As a result, the user receives a component that works with the factory intake manifold, valve cover, and other breather system components without the need for modifications. Dedicated fitment for the petrol engine reduces the risk of leaks and facilitates installation in service conditions.

Choosing an original breather hose is particularly important for engines with precise mixture control, where even minor leaks can cause engine control unit errors and trigger warning lights. Using the correct component allows for maintaining engine performance parameters at a level close to factory specifications.

Characteristics of the used component

The offered hose is a used part, which in practice means it has already been in service in a vehicle but can still perform its function after proper installation. For many users, this is a reasonable compromise between cost and maintaining the original design and fitment. In the case of breather hoses, it is important to verify the condition of the outer surface, any signs of material aging, and internal patency before installation.

When choosing a used breather hose for a Mercedes, it is worth paying attention to the absence of visible cracks, deformations, and damage at connection points. A properly selected and functional hose helps avoid uncontrolled "false air" intake and oil vapor leaks in the engine bay, which translates into a cleaner engine environment and more stable system operation.

Benefits of using an original breather hose

Using a breather hose dedicated to a Mercedes with an M272 engine offers several practical benefits:

• preservation of the factory routing of the hose in the engine bay,
• compatibility with original intake system ports and connectors,
• reduction of the risk of leaks in the crankcase ventilation system,
• maintenance of stable petrol engine performance parameters,
• easier diagnostics of potential faults related to the breather system.

For workshops and individual users, this means faster installation, fewer potential problem areas, and the ability to maintain consistency with other system components.

Expanding service within Mercedes lines and hoses

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 vacuum lines, cooling system hoses, or breather tubes, check out the available parts in the Mercedes lines, hoses, and tubes category.

When planning broader service work, it is also worth expanding your knowledge on the safe selection of used components in critical vehicle systems. An article describing practical principles for selecting elements from the secondary market may be helpful – you can find it here: Second-hand braking system: how to safely select discs, calipers, and ABS?. Although it concerns the braking system, the approach to assessing the condition of used parts presented there can also be applied when selecting other components.