Lateral Panel Mercedes W212 Saloon Rear Seat Right O/S Finisher Black Leather

Visual condition of the part

The product shows signs of use visible in the photos.

Lateral Panel Mercedes W212 Saloon Rear Seat Right O/S Finisher Black Leather is an original rear seat upholstery component, designed for the right side of E-Class models. Made of black leather upholstery, it allows for a visually consistent and functional interior repair, maintaining the factory character of the cabin. It is a practical solution when replacing a damaged side panel or refreshing the rear passenger compartment.

Specifications and technical data

• SKU: A2129209030
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129209030
• Substitutable numbers: A2129209030, A 212 920 90 30
• Location on the vehicle: Rear, Right
• Upholstery material: Leather
• Color: Black
• Category: Seats and Sofas

Purpose and function in the vehicle

The rear seat side panel is responsible for the aesthetic finish of the right side of the rear seat, as well as protecting the seat structure from mechanical damage and dirt. The element is matched to the geometry of the rear seat in the Mercedes E-Class W212 generation, which ensures stable mounting and proper fit with other upholstery panels.

The rear right-side placement allows for precise identification of the part when selecting components for a specific interior configuration. Thanks to this, the side panel can be used both for local repairs and for broader restoration of the rear seat.

Material and finish

The upholstery is made of genuine leather, which is characteristic of higher trim levels of the Mercedes E-Class. The leather surface provides:

• a consistent look with factory seats and the rear bench,
• easier maintenance compared to textile materials,
• resistance to typical operational wear in the rear part of the cabin.

The black color of the upholstery allows for seamless integration with most W212 interior configurations that use a dark color scheme. This is particularly important when replacing a single element – the uniform stylistic line of the entire rear seat is maintained.

Benefits of using an original side panel

Using an original rear seat side panel in a Mercedes W212 brings a number of practical benefits:

• Factory fit – the correct shape and mounting points facilitate installation and reduce the risk of looseness or rattling while driving.
• Visual consistency – identical texture and shade of leather compared to other interior elements from the same equipment specification.
• Restoration of passenger comfort – a properly installed side panel stabilizes the seat finish and eliminates sharp edges or exposed structural elements.

This solution is especially recommended for post-accident repairs, replacing worn upholstery elements, or when preparing a car for sale, where the aesthetics of the rear cabin are important.

Application in interior restoration

The rear seat side panel on the right side will work well both in the case of spot replacement and comprehensive interior renewal. It can be combined with other leather upholstery elements to restore a consistent look to the entire rear seat. Thanks to the preservation of the original design, the element works well with factory mounts, seat belts, and other side panels.

If you are planning a wider modernization of the seating area, it is worth considering replacing or retrofitting other components from this group to achieve a uniform visual and functional effect in the entire rear row.

If you are planning a comprehensive repair or modernization of the seating area in your Mercedes and need other elements from the same group, such as backrests, seat cushions, or additional seat modules, check the available parts in the Mercedes Seats and Benches category.

Support in selection and inspiration

When planning an interior refresh, it is worth paying attention to ergonomics, material quality, and the consistency of the entire seat set. Leather upholstery elements, such as rear seat side panels, can significantly improve the perception of the cabin by the driver and passengers, especially in premium class cars.

To better plan your interior modernization and learn about the possibilities of using branded parts from dismantling, check out the guide: Interior metamorphosis: How branded seats from dismantling will drastically improve comfort and increase the value of your car. You will find practical tips there regarding the selection of seats and benches that will well complement the presented rear seat side panel.