Mercedes W906 Seat Box Front Left N/S Passenger Seat Mount Base Set A9066601240

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W906 Seat Box Front Left N/S Passenger Seat Mount Base Set is an original interior component designed for installation in the front cabin area. This complete seat base provides a stable, factory-standard seat mounting and a seamless connection with other Console parts, facilitating professional repair or interior refurbishment of the vehicle.

Specifications and technical data

• SKU: rhd-A9066601240
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9066601240
• Substitutable numbers: A9066601240, A 906 660 12 40, BG
• Location on the vehicle: Front, Left
• Category: Centre & Overhead Console Parts

Purpose and fitment for Mercedes W906

The described base is designed specifically for the passenger seat installation in Mercedes W906 series models, in the front – left side position. The load-bearing structure is adapted to the factory floor mounting points and stock seat rails, allowing for the preservation of the original seat geometry and passenger area ergonomics.

This component is particularly useful when replacing a damaged seat base, during interior conversions (e.g., changing seat configurations), or when restoring a vehicle to factory specifications following bodywork repairs in the front cabin area.

Construction and function in the interior system

The seat base plays a key role in transferring loads from the seat to the body structure. It is responsible for:

• stable positioning of the passenger seat along the vehicle axis,
• proper distribution of forces during braking and acceleration,
• maintaining the correct height and angle of the seat relative to the center console and dashboard,
• consistent connection with floor and center tunnel interior components.

By maintaining factory geometry, the installation of this base helps avoid issues with poor plastic fitment, squeaking, or incorrect seat alignment relative to the direction of travel.

Characteristics of the used component

The offered base comes from dismantling and is classified as a used part. This means it retains the manufacturer's original design while providing an economical solution compared to new components. In practice, this allows for:

• reducing repair costs while maintaining the factory design,
• easier alignment with existing mounting points,
• maintaining visual and functional consistency with other interior elements.

Choosing an original, used seat base is particularly beneficial for vehicles used intensively (e.g., commercial vans), where structural durability and proper seat system operation are essential.

Benefits of using an original seat base

Using this seat mount base in a Mercedes W906 translates into a number of practical advantages:

• Factory fitment – a component designed for a specific platform, with no need for structural modifications.
• Consistency with the console system – proper seat positioning relative to the center tunnel and dashboard, which improves ergonomics and passenger comfort.
• Hassle-free installation – predictable mounting points, facilitating workshop work and shortening repair time.

As a result, the part works well both for standard replacement of a damaged base and for more extensive interior modifications.

Integration with other Mercedes interior elements

When working on the seat system, it is worth thinking about the entire front cabin area as a cohesive system. If you are planning a comprehensive repair or upgrade of the center console area and the front cabin section in your Mercedes and need other parts from the same group, such as additional handles, covers, or brackets related to the tunnel and seat area, check out the available parts in the Mercedes Console parts category.

More about the role of used parts in repairs

Using original, used components – such as the passenger seat base – is a proven way to maintain the character and functionality of the vehicle at reasonable service costs. If you want to better understand how properly selected dismantled parts influence the preservation of driving characteristics and interior quality in premium class cars, it is worth checking out the article: Audi and emotions in their purest form. How do used parts help maintain the brand's DNA?

If, on the other hand, you are interested in a broader perspective on the quality and durability of second-hand components, the article Used car parts: Myths and facts you need to know may be helpful, as it clarifies the most common doubts related to such solutions.