Mercedes Vito Viano W639 Dashboard Trim Panel Passenger Footwell Bottom Cover

The Mercedes Vito Viano W639 Passenger Tunnel Lower Cover is an original dashboard trim element designed for installation in the front, left side of the passenger footwell. Its black finish ensures an aesthetic match with the factory interior, and its construction, adhering to the manufacturer's design, guarantees a proper fit with other panels. This is a practical solution for users looking to restore a cohesive cockpit appearance and maintain the factory functionality of the area under the dashboard.

Specifications and technical data

• SKU: rhd-A6396800406
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6396800406
• Substitutable numbers: A6396800406, A 639 680 04 06, EM
• Location on the vehicle: Front, Left
• Color: Black
• Category: Steering Wheels & Horn Buttons

Purpose and Function of the Element

The presented passenger tunnel lower cover is part of the dashboard assembly in Mercedes Vito and Viano W639 generation models. Mounted in the front, left part of the vehicle, it is responsible for:

• Aesthetically enclosing the lower cockpit area on the passenger side,
• Shielding structural components and installations under the dashboard,
• Visually organizing the footwell space and improving user comfort.

The panel's black color helps maintain consistency with the typical interior finish of these models, making it easier to discreetly replace a damaged or missing part.

Construction and Interior Fit

The panel is designed as part of the dashboard assembly system, with a specifically formed geometry that matches the shape of the center tunnel and the lower part of the cockpit. This ensures that after installation, you achieve:

• Stable seating in the front, left part of the vehicle,
• Proper adhesion to adjacent trim elements,
• A cohesive, organized look of the area under the dashboard.

The black finish helps minimize the visibility of operational dirt and blends well with other interior elements such as side panels, the center tunnel, and lower dashboard sections.

Application in the Cockpit and Driver's Area

Although the element belongs to the group of Steering Wheels and Horn Buttons, it practically serves as a cover in the lower part of the cockpit on the passenger side. It is important for the completeness of the dashboard assembly because it:

• Encloses the space at the bottom, in the area of the tunnel and dashboard column,
• Helps visually organize the area adjacent to the driver's zone,
• Restricts access to structural and installation components.

By retaining its original mounting geometry, the panel can be used for both post-accident repairs and for replacing worn or damaged interior trim elements.

Condition, Origin, and Benefits of Use

The cover is from a dismantled vehicle and is offered as a used part, allowing for economical interior repair while maintaining the component's original origin. Choosing this solution offers:

• The ability to fit a part that matches Mercedes' factory design,
• Preservation of the cockpit's visual and structural consistency,
• Reduced costs compared to new replacements.

For users concerned about the technical correctness of repairs, it is also important that the panel integrates with the factory dashboard assembly system, without requiring modifications to the interior structure.

If you are planning a comprehensive repair or upgrade of your Mercedes' cockpit and footwell area and need other elements from the same group, such as covers, panels, or housings around the steering column, check the available parts in the Mercedes Steering Wheels and Horn Buttons category.

Technical Support and Additional Materials

When working on the cockpit and driver's area, it is beneficial to understand how the entire vehicle control system is constructed and which elements interact with the steering column. Practical information on the operation and diagnostics of this area can be found in the article "Steering System and Power Steering – How It Works and What Fails?", which discusses examples of dismantled parts and common fault symptoms.