Mercedes-Benz E-Class W207 Air Duct Plastic Pipe Right O/S Dash A2078310100

Mercedes-Benz E-Class W207 Air Duct Plastic Pipe Right O/S Dash is an original ventilation system component designed for installation on the right side of the cockpit. It ensures precise airflow distribution within the cabin, which translates into stable air conditioning performance and passenger thermal comfort. This is a practical solution for users who want to restore the factory functionality of their Mercedes interior without unnecessary compromises.

Specifications and technical data

• SKU: rhd-A2078310100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2078310100
• Substitutable numbers: A2078310100, A 207 831 01 00, KZ
• Location on the vehicle: Right
• Category: Other Air Conditioning & Heating

Purpose and function of the component

The described air duct is dedicated to Mercedes-Benz E-Class W207 models, where it is responsible for directing airflow from the ventilation and air conditioning system within the right side of the dashboard. Its task is to provide a tight connection between individual sections of the ventilation system, ensuring that air is distributed according to the manufacturer's specifications – without flow losses or unwanted noise.

The placement on the right side of the vehicle allows for proper alignment with the cockpit structure, mounting points, and the shape of adjacent components. As a result, the installation process is orderly, and once installed, the duct does not interfere with other dashboard components.

Construction and fitment to the ventilation system

The duct is made of plastic selected for dimensional stability and resistance to typical operating conditions inside the vehicle. The shape of the duct has been designed to fit precisely into the space behind the dashboard, maintaining appropriate bending radii and flow cross-sections.

• profile matched to the geometry of the dashboard on the passenger side,
• designed connection points with adjacent sections of the ventilation system,
• construction allowing for stable mounting at factory points.

Such a solution reduces the risk of looseness, rattling, or leaks, which is important for both acoustic comfort and the effectiveness of the air conditioning.

Benefits of using an original duct

Using an original air duct on the right side of the dashboard in a Mercedes-Benz E-Class W207 allows for maintaining the consistency of the entire ventilation system. Factory fitment translates into predictable installation and no need for modifications or "forced" fitting of the component.

• maintaining the airflow designed by the manufacturer,
• reducing the risk of window fogging thanks to proper ventilation distribution,
• maintaining the aesthetics and integrity of the interior without interfering with the cockpit structure.

An element from this group is particularly useful for repairs after dashboard disassembly, heater core replacement, air conditioning module service, or interior reconstruction after a collision.

Condition and use in service practice

The offered air duct is a used part, which makes it an attractive solution for repairs where a reasonable cost is important while maintaining the original design. This type of component is often chosen by workshops specializing in the Mercedes brand, as well as by conscious users independently sourcing parts for ventilation system repairs.

Before installation, standard visual verification and checking of mounting points and connection edges are recommended to ensure tightness and correct seating in the dashboard structure. A properly selected duct helps avoid subsequent disassembly and re-adjustments of the system.

System expansion and additional materials

If you are planning a comprehensive repair or upgrade of the cockpit area in your Mercedes and need other elements from the same group, such as additional air ducts, ventilation grilles, or mounting covers, check the available parts in the Other Mercedes category.

For drivers interested in comparing technical solutions used in different brands and sports versions, an article discussing the differences in engine, brake, and chassis construction may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.