Mercedes W212 Rear Seat Folding Backrest Right O/S Lock Catch Handle A2129200276

The Mercedes W212 Right Backrest Bracket is an original part from the Seats and Sofas group, designed for the rear right interior of the vehicle. Manufactured to Mercedes standards, it ensures proper backrest support and secure mounting, contributing to the comfort and safe use of the rear seat.

Specifications and technical data

• SKU: A2129200276
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129200276
• Substitutable numbers: A2129200276, A 212 920 02 76, A2129200772, A 212 920 07 72
• Location on the vehicle: Rear, Right
• Category: Seats and Sofas

Purpose and Function of the Backrest Bracket

The right backrest bracket in the Mercedes W212 model is responsible for the stable connection of the rear seat backrest to the vehicle's body structure. This component operates in the rear right area of the passenger cabin, handling loads from daily use, backrest folding, and passenger transport.

A correctly chosen backrest bracket helps maintain the proper geometry of the rear seat, eliminates play and unwanted noises, and supports the correct functioning of the backrest folding mechanisms. This is particularly important in vehicles used intensively, where mounting components are subjected to repetitive loads.

Compatibility and Technical Specifications

The bracket is specifically designed for the seat structure of the Mercedes E-Class W212 generation, for the rear right side of the vehicle. This means:

• dedicated fit to factory mounting points in the body,
• compatibility with the original rear seat backrest structure,
• maintenance of factory assembly tolerances and connection rigidity.

By using an original solution from the Seats and Sofas group, installation is predictable and does not require modifications to the seat or body structure.

Characteristics of a Used Part

The offered backrest bracket is a used part, meaning it comes from a dismantled vehicle and retains its factory structural specifications. Such components are often chosen for interior servicing as they help maintain consistency with the manufacturer's original design while reducing repair costs.

A used backrest bracket is a sensible solution when the backrest mounting has suffered mechanical damage, play has developed, or there are issues with properly locking the backrest after folding. Replacing it with an original part from dismantling allows for the restoration of the mechanism's correct operation without affecting other seat components.

Benefits of Using an Original Backrest Bracket

Using a dedicated backrest bracket in the Mercedes W212 offers several practical benefits:

• Restoration of factory rear backrest rigidity – reducing vibrations and unwanted noises during driving.
• Full compatibility with existing backrest folding and locking mechanisms.
• No need for modifications – installation in original mounting points.
• Consistency with other seat system components in the vehicle.

For workshops and individual users, this means faster and more predictable repairs, as well as maintaining the comfort and ergonomics intended by the manufacturer.

Interior Expansion and Tuning

If you are planning more extensive work on the rear seat or cabin modernization, a properly functioning backrest bracket is an important element of the entire seating system. Secure backrest mounting facilitates subsequent upholstery modifications, seat replacement, or upgrading the interior with more elaborate seat configurations.

To better plan cabin changes, it is worth consulting the guide on personalizing seats and steering wheels, available in the article Car Interior Tuning with Global Parts, which describes a practical approach to using used equipment.

If you are planning a comprehensive repair or modernization of the rear seat area in your Mercedes and need other parts from the same group, such as mounts, guides, or additional brackets, check the available parts in the Mercedes Seats and Sofas category.