Mercedes-Benz C-Class W204 Air Conditioning Heater Matrix Blower Housing Box

Mercedes-Benz C-Class W204 Air Conditioning Heater Matrix Blower Housing Box is an original HVAC system component designed for installation in the vehicle's center tunnel. It ensures proper airflow guidance, stable mounting of the heater core and blower, and an airtight connection to the air ducts, which translates into efficient interior heating and air conditioning.

Specifications and technical data

• SKU: rhd-A2048302803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048302803
• Substitutable numbers: A2048300460, A 204 830 04 60, A2048302803, A 204 830 28 03, A2048200908, A 204 820 09 08, BG
• Category: Other Air Conditioning & Heating

Purpose and function in the HVAC system

The described housing is a structural body in which the heating and air conditioning system components are mounted in the Mercedes C-Class W204 generation. It is responsible for:

• stable seating of the heater core and blower in the passenger compartment,
• guiding air from the blower to the air vents,
• maintaining a seal between the heater chamber and the dashboard,
• reducing vibrations and noise transmitted from the blower system.

Thanks to its factory geometry and fitment for the W204 body, the housing allows for maintaining proper air circulation and correct operation with other air conditioning system components.

Original origin and compatibility

The element comes from the Mercedes manufacturer's range, which means that factory mounting points, the shape of the connectors, and sockets for sensors and electrical harnesses are preserved. Its original origin facilitates:

• installation in place of a damaged housing without structural modifications,
• maintaining compatibility with stock heater cores and blowers,
• proper fitment with the dashboard and air ducts.

For workshops and service centers specializing in the Mercedes brand, this solution allows for an efficient and predictable repair of the heating system without the risk of fitment issues.

Characteristics of the used part

The housing comes from an operated vehicle, making it an economical alternative to a new part. This type of component, when properly removed, retains its geometric and functional properties, which is crucial for airtightness and proper airflow. A used element allows for reducing repair costs while maintaining the factory HVAC system construction.

Benefits of using the original heater matrix and blower housing

Using the original housing in a Mercedes C-Class W204 brings a number of practical benefits:

• preservation of the air duct aerodynamics designed by the manufacturer,
• secure mounting of the heater core and blower, reducing the risk of rattles and resonances,
• easier service access to heating system elements in the future,
• consistency with other interior components in terms of construction.

For the end user, this translates into stable heating and air conditioning performance as well as acoustic comfort in the cabin.

Part selection by numbers and purchase support

The heater matrix and blower housing is linked to dedicated catalog numbers and interchangeable numbers, which facilitates its identification in service documentation and part selection systems. When purchasing, it is worth verifying compatibility by numbers and vehicle model to ensure full compatibility with a specific equipment version.

If you are planning a comprehensive repair or upgrade of the heating and air conditioning zone in your Mercedes C-Class W204 and need other elements from the same group, such as air ducts, cabin filter housings, or additional airflow control modules, check the available parts in the Other Mercedes category.

Technical knowledge and additional materials

When working with advanced drivetrain and braking systems, it is worth expanding your knowledge about the structural differences between standard and sports versions. In this context, an article describing the characteristics of RS models may be helpful, available at the link: Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to better prepare for purchasing aftermarket parts and optimize the selection of components by catalog numbers, it is worth reading the guide: Safe purchase of used car parts online – a step-by-step guide, which discusses practical strategies for drivers and workshops.