Air Intake Housing Mercedes W204 W210 Filter Cabin Box A2048303403

The Mercedes W204 / W210 Cabin Air Intake Housing is an original ventilation system component designed for installing a cabin filter in select Mercedes models. Its factory design ensures stable seating of the filter element and proper airflow into the vehicle's interior, contributing to user comfort and the correct operation of the ventilation system.

Specifications and technical data

• SKU: RHD-A2048303403-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048303403
• Substitutable numbers: A2048303403, A 204 830 34 03
• Category: Air Filter Housings

Purpose and Technical Function

The presented housing belongs to the group of Air Filter Housings and is responsible for the sealed routing of air through the cabin filter in Mercedes W204 and W210 class vehicles. A correctly selected and installed housing minimizes the risk of unfiltered air entering, reduces window fogging, and supports the efficiency of heating and air conditioning.

Originality from the Mercedes brand means maintaining the correct geometry, mounting points, and compatibility with factory body and ventilation system components. This ensures a predictable installation process without the need for modifications or adjustments of aftermarket parts.

Construction and Mounting Fit

The cabin air intake housing is designed as a rigid, enclosed body that directs air from the cowl area to the cabin filter and then to the ventilation ducts. The design includes:

• a dedicated slot for the cabin filter element,
• factory mounting points to the body and adjacent ventilation system components,
• a shape tailored to the installation space in W204 / W210 models.

This type of solution helps maintain the seal of the cabin intake system, limits the ingress of contaminants and external noise, and ensures the correct direction of airflow through the filter.

Characteristics of the Used Component

The offered housing is a used part, meaning it comes from disassembly but retains full functional integrity. For many users, this represents a favorable compromise between cost and quality – especially for original Mercedes components where maintaining factory fit and geometry is crucial.

Prior to installation, a standard visual inspection, cleaning of contact surfaces with seals, and checking of mounting points are recommended. This allows for proper preparation of the housing for further use and ensures stable seating of the cabin filter.

Benefits of Using an Original Air Intake Housing

Using the factory cabin air intake housing in a Mercedes W204 / W210 offers several practical benefits:

• Compatibility with the ventilation system – maintaining the airflow path intended by the manufacturer.
• Stable mounting of the cabin filter – reducing the risk of leaks and air bypassing the filter element.
• Better cooperation with air conditioning and heating – uniform airflow through the ventilation ducts.
• Reduced noise and vibrations – precise geometry and correct mounting points.

For users who wish to maintain their vehicle in a configuration close to the factory standard, choosing an original housing from the Air Filter Housings category is a technically justified and long-term cost-effective solution.

Expanding the Air Intake System in Mercedes

If you are planning a comprehensive repair or upgrade of the cabin air intake system area in your Mercedes and need other components from the same group, such as additional housings, air supply ducts, or covers that work with the filter, check the available parts in the Mercedes Air Filter Housings category.

Practical Service Tips

When replacing the cabin air intake housing, it is advisable to simultaneously check the condition of the seals, water drains in the cowl area, and the cabin filter itself. Correct installation, maintaining clean contact surfaces, reduces the risk of moisture and contaminants entering the vehicle's interior and extends the lifespan of the newly installed component.

If you are interested in a broader context of selecting used components and want to better assess their condition before purchasing, the guide might be helpful: How to Buy a Used Car Engine and Avoid Pitfalls – A Step-by-Step Guide. Although it primarily concerns powertrains, the principles of verification and technical condition assessment presented there can largely be applied to other used market components as well.