Description
Mercedes W221 Rear Seat Bench Head Rest Trim Cover Brace is an original interior component from the Claddings, decorative trims and decorations group, designed for installation in the rear part of the vehicle. It provides stable support for the rear seat headrest trim, maintaining the correct geometry of the upholstery and an aesthetic appearance of the rear passenger zone. This is a practical solution for users who want to restore the factory look of the interior after damage or disassembly of finishing elements.
Specifications and technical data
- SKU: A2219780029
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2219780029
- Substitutable numbers: A2219780029, A 221 978 00 29
- Location on the vehicle: Rear
- Category: Trim
Purpose and function of the component
The presented brace is designed for installation in the rear part of the body, in the passenger seat area. Its task is to support and stabilize the headrest cover so that the upholstery and decorative elements remain in the correct position relative to the backrest structure. This ensures a consistent finishing line and keeps the headrest properly seated relative to the bench.
The original design characteristic of the Mercedes brand allows for precise fitting to factory mounting points, without the need for modifications or adjustments. This is particularly important for post-accident repairs, replacing damaged claddings, or completing missing interior details.
Application in the rear interior
The brace operates in the rear seat zone, where it combines structural and aesthetic functions. It is responsible for:
- maintaining the correct position of the headrest cover relative to the backrest,
- reducing unwanted play and vibrations of finishing elements,
- maintaining even gaps between the upholstery and adjacent claddings and decorative trims.
Such a solution allows for a consistent, orderly appearance of the rear cabin, which is especially important in high-end cars where high-quality assembly and finish are expected.
Characteristics of the original Mercedes part
As an element from the Claddings, decorative trims and decorations group, the brace has been designed to work with factory claddings and rear seat upholstery. The original mounting geometry and shape matched to the backrest structure facilitate installation and minimize the risk of improper fitment. Thanks to this, after replacement, it is possible to restore the original, orderly appearance of the interior without compromising on fitment.
The used nature of the part makes it a cost-effective solution while maintaining the quality of workmanship and compatibility with the factory mounting system typical of Mercedes. This is a good option for repairs where combining a reasonable budget with maintaining the original vehicle specification is key.
Why choose this brace
Choosing an original rear seat headrest trim cover brace allows you to avoid fitment problems that often occur with non-original parts. Precise fitment with the backrest and adjacent claddings reduces the risk of creaks, play, and uneven gaps, which translates into more comfortable vehicle use. This is particularly important in premium cars, where consistent quality of all interior details is expected.
If you are planning a comprehensive repair or upgrade of the rear interior zone in your Mercedes and need other elements from the same group, such as covers, trims, or decorative backrest finishes, check the available parts in the Mercedes claddings, decorative trims and decorations category.
Additionally, if you are considering a wider range of work on the vehicle and want to better understand the advantages of using original used components in the drivetrain, it is worth reading the article Humming differential? Find out why a used OEM drive axle is a better investment than an uncertain replacement, which shows the practical benefits of choosing OEM parts in a broader context of vehicle operation.





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