Mercedes W204 C207 W212 C219 Air Intake Pipe Hose Duct A2721400518

Mercedes W204 C207 W212 C219 Air Intake Pipe Hose Duct is an original air supply system component designed for mid-size and premium Mercedes models. The precisely shaped cross-section of the pipe ensures stable airflow to the engine, which promotes smooth operation of the power unit and proper interaction with the control electronics. This is a practical solution for users who want to maintain the factory engine performance characteristics without experimenting with aftermarket replacements.

Specifications and technical data

• SKU: A2721400518
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721400518
• Substitutable numbers: A2721400518, A 272 140 05 18
• Category: Hoses, Lines & Pipes

Purpose and function in the intake system

The intake pipe in Mercedes W204, C207, W212, and C219 models is responsible for directing air from the filtration system to the intake manifold. The appropriate channel geometry influences:

• stable airflow across the entire RPM range,
• accurate sensor readings within the intake system,
• maintenance of factory combustion parameters and engine refinement.

By maintaining the factory shape and diameter, this component helps avoid disturbances in the engine control unit's operation, which can occur when using improperly matched replacements.

Design and body fitment

The intake pipe has been designed for specific engine bay layouts in W204, C207, W212, and C219 bodies. This means it fits factory mounting points, cable routing, and engine bay covers. In practice, this translates into:

• easier installation without the need for modifications,
• no collisions with other components in the engine bay,
• maintenance of correct pipe positioning relative to heat sources.

Such fitment is particularly important in vehicles with extensive covers and auxiliary components, where a slight change in pipe geometry can cause stress or unwanted vibrations.

Benefits of using an original intake pipe

Choosing an element from the Lines, hoses, and pipes group in the factory version allows you to maintain the integrity of the entire intake system. The main advantages of this solution include:

• preservation of factory airflow parameters,
• reduced risk of leaks at connections,
• compatibility with factory clamps, brackets, and covers.

For users who prioritize predictable vehicle behavior and want to avoid issues with engine control unit adaptation, using an original intake pipe is a safe and technically sound solution.

Characteristics of the used component

The offered intake pipe is a used component, sourced from disassembly. Such components are popular choices for servicing older generations of Mercedes vehicles, where combining reasonable costs with factory design is key. In the case of intake pipes, it is particularly important to maintain the appropriate rigidity and shape of the channel, which is usually better preserved in original parts from disassembly than in cheap replacements.

Expanding the intake system in your 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 vacuum lines, flexible intake hoses, or rigid air pipes, check out the available parts in the Mercedes lines, hoses, and pipes category.

Additional technical support

When modifying the powertrain, especially in vehicles with higher torque, it is worth paying attention to the selection of gear ratios and the load on the entire drivetrain. Practical tips in this regard can be found in the article Used drive axles and differentials – how to choose gear ratios for your driving style, which discusses the relationships between gear ratios, engine characteristics, and vehicle usage patterns.