Mercedes S212 Seat Bracket Bench Holder Carrier Rear Right O/S A2129300413

Mercedes S212 Seat Bracket Bench Holder Carrier Rear Right O/S is an original mounting component from the Seats and Benches category, designed for the right side of the rear body section. It ensures stable seating of the rear bench, which translates into safe operation and proper functioning of the seat folding mechanisms. This solution is dedicated to demanding users who expect precise fitment and consistency with the factory interior construction.

Specifications and technical data

• SKU: A2129300413
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129300413
• Substitutable numbers: A2129300413, A 212 930 04 13, KD
• Location on the vehicle: Rear, Right
• Category: Seats and Sofas

Purpose and function of the component

The presented bracket is designed for installation in the rear of the vehicle, on the right side, as a load-bearing rear bench bracket. It is responsible for the proper support and guidance of the bench, ensuring the seat remains stable both while driving and when folding or lifting.

This component operates in a high-load zone – it transfers forces resulting from the weight of passengers and dynamic loads during braking and driving over uneven surfaces. A proper bracket reduces unwanted play, squeaking, and misalignment of the bench, which affects acoustic comfort and the perceived rigidity of the interior.

Benefits of using an original bracket

Using a dedicated rear bench bracket on the right side in a Mercedes S212 allows for maintaining the factory geometry of the seat mounting. Thanks to this:

• the bench operates within the range of motion intended by the manufacturer,
• folding and locking mechanisms maintain a correct operating line,
• the risk of premature wear of hinges and catches is reduced,
• it is easier to maintain proper alignment of the upholstery with the side panels and trunk floor.

Choosing an original component from dismantling is also a favorable combination of quality and price – you maintain compliance with the Mercedes design while optimizing the cost of rear bench repairs.

Application in the rear bench seating system

The bracket acts as part of the rear bench mounting system, contributing to the load-bearing structure of the seat. It is particularly important in vehicles where the rear bench is regularly folded, e.g., when frequently transporting cargo. A correctly selected and installed component:

• ensures repeatable, secure locking of the bench after unfolding,
• limits lateral and longitudinal movement of the seat,
• supports the maintenance of the proper passenger position on the rear bench.

As a result, the interior retains its consistent character, and the rear part of the cabin remains functional in both passenger and cargo configurations.

Condition, fitment, and installation

The offered bracket comes from a Mercedes vehicle and is a used part, which allows for maintaining compatibility with factory mounting points and the operating characteristics of the rear bench. It is a practical solution for repairs following mechanical damage, corrosion, or improper previous installation.

Before installation, it is recommended to verify compatibility with the specific body version and check the condition of the mating mounting elements. A correctly selected bracket facilitates service and shortens workshop time, as it integrates with the existing structure without the need for modifications.

Expansion and modernization of the rear bench seating area

If you are planning a comprehensive repair or modernization of the rear bench seating area in your Mercedes and need other elements from the same group, such as frames, rails, or additional mounts, check the available parts in the Mercedes Seats and Benches category.

To better plan your interior modernization and select the right components from dismantling, it is worth reading the guide describing the impact of branded seats on ergonomics and vehicle value – this is discussed in detail in the article "Interior Metamorphosis: How branded seats from dismantling will drastically improve comfort and increase the value of your car".