Mercedes Vito W639 Air Vent Grille Front Right O/S Roof Trim Nozzle A6398300554

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes Vito W639 Air Vent Grille Front Right O/S Roof Trim Nozzle is an original cabin ventilation system component designed for installation on the passenger side. Thanks to its factory-fit design, it ensures a seamless look for the headliner and precise airflow direction, enhancing travel comfort. This is a practical solution for users looking to restore full functionality to the roof air vent in their Vito without compromising on fitment or aesthetics.

Specifications and technical data

• SKU: A6398300554
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6398300554
• Substitutable numbers: A6398300554, A 639 830 05 54
• Location on the vehicle: Front, Right
• Category: Other Air Conditioning & Heating

Purpose and function of the component

The presented air vent grille is designed specifically for the Mercedes Vito W639 model, with placement in the front part of the cabin on the right side. It is responsible for distributing air from the ventilation or air conditioning system in the upper interior zone, which improves circulation and allows for more even cooling or heating for passengers.

This component serves both a technical and aesthetic function – it masks the air ducts in the headliner and allows for adjustment of the airflow direction, maintaining the factory interior look characteristic of the Mercedes brand.

Construction and body fitment

The grille is integrated with the headliner trim, creating a uniform surface with other roof finishing elements once installed. The design is intended for installation in the front – right side position, which facilitates the identification of the correct installation location and minimizes the risk of errors when selecting parts.

Factory mounts allow for stable seating of the grille in the roof lining without the need for modifications or adjustments. This is particularly important for commercial vehicles, where quick and predictable installation is essential, as well as the absence of unwanted play or rattling while driving.

Operational characteristics

As a component of the ventilation system, the roof grille operates under varying temperature and humidity conditions, which is why its construction is adapted for long-term use in the vehicle cabin. The applied solutions allow for:

• adjustment of the airflow direction in the upper part of the cabin,
• maintaining a consistent stylistic line of the headliner,
• easy removal if cleaning the ducts or replacing the component is necessary.

The product comes from the group of original Mercedes components, which translates into dimensional compatibility with factory mounting points and predictable performance during use.

Condition and service application

The offered air vent grille is a used part, making it an attractive service solution for vehicles used intensively, such as delivery or fleet vans. Replacing a damaged or missing grille with an original dismantled part allows for the restoration of full vent functionality and headliner aesthetics while keeping repair costs reasonable.

The component will work well both for standard replacement of a damaged grille and for comprehensive interior refreshing, where maintaining the consistency of all finishing details within the roof and front cabin area is important.

Ventilation system expansion and part selection

If you are planning a comprehensive repair or upgrade of the roof ventilation zone in your Mercedes and need other elements from the same group, such as additional grilles, covers, or headliner trims, check the available parts in the Other Mercedes category.

For users interested in a broader look at the structural differences between standard and sports versions in the premium segment, an article discussing the construction of engines, brakes, and chassis in RS models may be helpful – details can be found in the entry Audi RS vs other models – what is hidden under the hood and chassis?.

If you want to better organize service work and reduce vehicle downtime in the workshop, it is also worth reading the guide on the benefits of a wide range of used parts available from a single warehouse – more information can be found in the article how a wide assortment in one warehouse shortens car downtime at the mechanic.