Mercedes Benz E Class W211 Air Conditioning Heater Matrix Unit Housing Box

Mercedes Benz E Class W211 Air Conditioning Heater Matrix Unit Housing Box is a specialized HVAC system component responsible for proper airflow management and integration with the cabin heating and cooling system. Designed for installation in the rear left section of the vehicle, this component ensures stable operation of the air conditioning and heating system, which translates into user comfort and the correct functioning of the entire system. Thanks to a design consistent with factory solutions, the air conditioning and heating system maintains proper tightness and efficiency.

Specifications and technical data

• SKU: rhd-A2118300562
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118300562
• Substitutable numbers: A2118300562, A 2118300562, A 211 830 05 62, BG
• Location on the vehicle: Rear, Left
• Category: A/C Expansion Valves

Purpose and function in the air conditioning system

The described Mercedes Benz E Class W211 Air Conditioning Heater Matrix Unit Housing Box is a part of the system responsible for directing the airflow through heat exchangers and working with components from the Expansion valves group. A properly selected housing ensures:

• stable airflow through the evaporator and heater core,
• proper cooperation with the temperature control system,
• maintenance of air duct tightness in the rear part of the cabin,
• appropriate mounting of airflow control elements.

Due to its fitment for the specific E-Class W211 generation, the component works with the factory HVAC system architecture, which reduces the risk of improper installation and leaks.

Compatibility with Mercedes E-Class W211

The housing has been designed for use in Mercedes E-Class W211 series models, in a configuration intended for the rear left part of the vehicle. This means that the geometry, mounting points, and air duct routing are adapted to the factory interior layout and air conditioning installation in this model.

Such fitment allows for:

• maintaining the original ergonomics of the vents in the rear part of the cabin,
• cooperation with factory airflow control elements,
• easier installation in place of a damaged or worn housing without the need for modifications.

Technical characteristics and installation

The element is intended for installation in the rear left area of the vehicle, which is important when planning service work and dismantling interior trim elements. The housing design allows for integration with the air conditioning and heating system, as well as with components from the Expansion valves group, responsible for controlling the expansion of the refrigerant.

When replacing, it is worth paying attention to:

• the condition of seals and connections with air ducts,
• proper seating of airflow control elements,
• precise fitment to the factory mounting points in the bodywork.

Component condition and service application

The product comes from the used parts segment, which makes it an attractive solution for air conditioning and heating system repairs in vehicles where it is necessary to replace the Mercedes Benz E Class W211 Air Conditioning Heater Matrix Unit Housing Box without the need to invest in a new component. This type of element is particularly useful for:

• repairs after mechanical damage within the air ducts,
• restoring the proper operation of vents in the rear part of the cabin,
• servicing the HVAC system after previous, improper modifications.

System expansion and related components

If you are planning a comprehensive repair or upgrade of the air conditioning and heating zone in your Mercedes and need other elements from the same group, such as additional valves, control elements, or components working with the cooling system, check the available parts in the Mercedes Expansion valves category.

For drivers interested in learning more about selecting used components in the field of lighting and electronics, a guide article may be helpful – you can find more information in the material See more and better – a complete guide to selecting and replacing used LED and Xenon headlights, which discusses the practical aspects of choosing original OEM parts.