Mercedes W906 Seat Box Front Left N/S Passenger Seat Mount Base Set A9066603340

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 structural component designed for mounting the seat in the front left section of the cabin. The stable seat base ensures proper seat positioning, maintains mounting geometry, and remains consistent with the factory interior architecture of the Mercedes, which is important for both user comfort and safety. By maintaining the geometry specific to this model, the component works perfectly with the factory mounting points in the vehicle.

Specifications and technical data

• SKU: rhd-A9066603340
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9066603340
• Substitutable numbers: A9066603340, A 906 660 33 40, BG
• Location on the vehicle: Front, Left
• Category: Centre & Overhead Console Parts

Purpose and function of the component

The described seat base has been designed as a load-bearing structure for the passenger seat in the front left part of the vehicle. It is responsible for:

• transferring loads from the seat to the vehicle floor,
• maintaining the correct seat position relative to the direction of travel,
• ensuring compatibility with factory seat mounting points,
• maintaining a consistent seat height and tilt angle relative to the dashboard and console.

Thanks to this, the seat structure remains stable during daily use, as well as in emergency situations when increased forces act on the mounts.

Construction and fitment for the Mercedes W906

The seat base is a component from the Console parts group, closely linked to the mounting system in the front part of the cabin. Its geometry has been developed for the specific floor and center tunnel layout in the Mercedes W906, which allows for:

• precise fitment with factory mounting holes,
• maintaining adequate rigidity in the seat mounting area,
• proper interaction with center console elements and the surrounding seat area.

Its original Mercedes origin helps maintain factory mounting parameters, which is essential for post-accident repairs, replacing corroded parts, or restoring the vehicle to a state consistent with technical documentation.

Condition, application, and benefits of choosing a used part

The offered seat base is a used component, which in practice means a favorable compromise between repair costs and maintaining original build quality. This type of part is particularly suitable in situations where:

• the factory seat base has been damaged or deformed,
• replacement of the component is necessary after bodywork repairs in the front left part of the cabin,
• it is important to maintain original mounting points without interfering with the floor structure.

Choosing an original, used component allows you to reduce the risk of fitment issues that may occur with aftermarket replacements of different geometry or build quality.

Integration with the interior and other console elements

As a component from the Console parts group, the seat base works with the passenger seat environment – the center tunnel, plastic covers, and mounting/guiding elements. A properly selected base:

• facilitates seat installation without the need for modifications,
• allows for maintaining an aesthetic fit of upholstery and covers,
• promotes maintaining an ergonomic passenger position relative to the dashboard.

Thanks to this, it is possible to restore the interior to a consistent, factory layout, which is important for both driving comfort and vehicle value.

Support with selection and additional information

When selecting this type of component, it is crucial to match it to the specific body version and the side of the vehicle. In case of doubt, it is worth verifying compatibility with service documentation or consulting a mechanic to ensure proper installation and full functionality of the passenger seat.

If you are planning a comprehensive repair or upgrade of the center console area and front seats in your Mercedes and need other elements from the same group, such as additional seat bases, brackets, or mounting hardware, check out the available parts in the Mercedes Console parts category.

For repairs where vehicle downtime is a concern, it is worth paying attention to the availability of used OEM parts off the shelf – more on this topic can be found in the article Availability of car parts off the shelf vs. repair time – how do used OEM parts shorten time in the workshop?.

If you want to better understand why original used components of this brand are often the optimal choice in terms of durability and cost, the guide Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts? will also be helpful.