Mercedes S212 Rear Folding Backrest Release Lock Lever Left N/S A2129200164

Mercedes S212 Rear Folding Backrest Release Lock Lever Left N/S is an original rear seat mechanism component, designed for precise control of the folding backrest lock on the left side. Thanks to its factory design, it ensures proper operation of the backrest folding system and maintains the functionality of the trunk and passenger space. It is a practical solution for users who want to restore full functionality to the rear seat in their Mercedes.

Specifications and technical data

• SKU: A2129200164
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2129200164
• Substitutable numbers: A2129200164, A 212 920 01 64
• Location on the vehicle: Rear, Left
• Part type: Handle
• Category: Additional Seat Parts

Purpose and vehicle placement

The lever is a component of the rear seat adjustment system, operating in the backrest area. It is designed for installation in the rear part of the interior, on the left side, where it is responsible for releasing and locking the folding backrest. This placement allows for convenient operation of the mechanism both from the passenger side and when accessing from the trunk.

Precise fitment to the seat structure in the S212 estate body style ensures that after installation, the lever works with existing cables and locks without the need for any modifications to the seat structure. This is particularly important for post-accident or maintenance repairs, where maintaining factory geometry and ergonomics is crucial.

Function and benefits of use

The primary function of the lever is controlling the folding backrest lock, which allows for quick expansion of the cargo space or restoration of the full seat configuration. A functional component of this type contributes to:

• trouble-free folding and unfolding of the rear seat backrest,
• stable locking of the backrest in the operating position,
• safety of transported passengers and cargo,
• comfort of daily trunk usage.

Choosing an original lever from the Other seat parts group allows for maintaining the consistency of the entire seat adjustment mechanism, which is important both during intensive use and for the future resale of the vehicle.

Product characteristics and installation

The component has been developed specifically for Mercedes vehicles, which translates into compatibility with factory mounting points and proper cooperation with other seat components. As a result, installation can be carried out in an orderly manner, maintaining the original routing of mechanisms and cables.

As a part removed from a vehicle, the lever is intended for service or repair applications when the existing component has suffered mechanical damage, wear, or deformation. A properly selected component allows you to avoid makeshift repairs and restore full functionality to the rear seat in accordance with the manufacturer's specifications.

Application in service practice

Mercedes S212 Rear Folding Backrest Release Lock Lever Left N/S will prove particularly useful in situations where:

• the original lever was damaged during intensive trunk use,
• the backrest folding mechanism stopped working due to a crack or wear of the control element,
• after bodywork repairs, it is necessary to restore the full functionality of the rear seat,
• there is a need to maintain the original interior equipment specification of the Mercedes.

Thanks to the preservation of the factory design, the use of this lever allows for maintaining the consistency of the entire seat system, which is important both for user comfort and for the proper operation of safety mechanisms related to backrest mounting.

Seat configuration expansion and model knowledge

When working on the rear seat in Mercedes vehicles, it is worth knowing the structural differences between individual generations and body versions. An article describing the development of the brand's flagship models may be helpful – Evolution of the Mercedes S-Class: from W140 to W222 – innovations, model differences, and Mercedes auto parts over the years. It allows for a better understanding of the interior design philosophy and the selection of components used in premium class cars.

If you are planning a comprehensive repair or upgrade of the seating area in your Mercedes and need other elements from the same group, such as rails, adjustment mechanisms, or additional handles, check the available parts in the Other Mercedes seat parts category.