Mercedes W447 Air Intake Damping Air Filter Mount Housing A4475280306

The Mercedes W447 air filter housing is a factory original component of the intake system, designed for precise mounting and vibration damping of the air intake in vehicles of this series. The construction ensures stable filter seating and reduces the noise of the inhaled air, which translates to smoother engine operation and proper compatibility with the stock intake system.

Specifications and technical data

• SKU: A4475280306-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4475280306
• Substitutable numbers: A4475280306, A 447 528 03 06
• Part type: Air Filter Housing
• Category: Air Filter Housings

Purpose and Function in the Intake System

The presented air filter housing for Mercedes W447 plays a key role in the proper channeling and damping of the air stream drawn into the engine. It is responsible for:

• stable mounting of the air filter element in the engine bay,
• reduction of vibrations transmitted from the powertrain to the intake system,
• limiting air intake noise, which improves acoustic comfort inside the cabin,
• maintaining the seal of connections between the filter and further intake components.

Thanks to its precise fit to the engine bay geometry in W447 models, the housing allows for maintaining the factory airflow characteristics and proper interaction with stock sensors and hoses.

Original Origin and Fitment

This component comes from the Mercedes range, which means adherence to factory design and quality standards. An original air filter housing ensures:

• precise alignment with mounting points on the body and engine,
• compatibility with the stock intake system without the need for modifications,
• correct routing of hoses and mounts that work with the housing.

This ensures a predictable installation process, and the entire system retains the parameters intended by the vehicle manufacturer.

Condition, Application, and Benefits of Replacement

The housing is in used condition, making it a cost-effective solution for workshops and users looking for parts with factory geometry while staying within a reasonable budget. Replacing the housing is particularly recommended when:

• the original element has cracked or deformed,
• there are leaks around the air filter,
• undesirable vibrations or noise appear in the intake area.

Selecting parts by OEM number or interchangeable numbers allows for verifying compatibility with a specific engine version and vehicle year.

Installation and Maintenance Tips

When installing the air filter housing in a Mercedes W447, it is worth paying attention to:

• checking the condition of seals and vibration-damping elements that work with the housing,
• proper positioning of intake hoses and any auxiliary brackets,
• precise seating of the air filter element to prevent contaminants from entering the intake system.

Professional installation allows for full utilization of the benefits of the factory design and maintains stable engine operating conditions in daily use.

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 mounts, vibration dampers, or housings that work with the intake system, check the available parts in the Mercedes Air Filter Housings category.

For users who want to consciously choose used components and minimize the risk of a wrong purchase, a practical guide describing how to select parts by OEM number, verify the seller, and assess the condition of components will be helpful – you can find it in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide.