Mercedes W221 Rear Seat Backrest Arm Rest Storage Tray Box Insert A2219700430

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W221 Rear Seat Backrest Arm Rest Storage Tray Box Insert is an original interior trim component designed for the rear cabin of the luxury S-Class. This practical backrest module with an armrest and storage compartment provides rear-seat passengers with comfortable support, additional utility space, and a cohesive upholstery look. This solution helps maintain the factory interior aesthetics and a high level of travel comfort.

Specifications and technical data

• SKU: A2219700430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2219700430
• Substitutable numbers: A2219700430, A 221 970 04 30
• Location on the vehicle: Rear
• Category: Trim

Purpose and function in the vehicle

The backrest with armrest and storage compartment has been designed specifically for the rear interior of the Mercedes S-Class W221 generation. The component is mounted in the rear seat area, where it serves several functions simultaneously:

• provides stable back support for rear passengers,
• offers a comfortable armrest to improve seating ergonomics,
• features an integrated storage compartment for small items, documents, or travel accessories.

Thanks to this solution, the rear part of the cabin remains organized, and passengers have essential items within reach without needing to access the trunk or front storage compartments.

Construction and interior fitment

The component belongs to the Trims, decorative strips, and decorations group, meaning it is responsible not only for functionality but also for the consistent look of the upholstery and finish. The design of the backrest integrated with the armrest and storage compartment has been developed to:

• fit precisely into the rear seat of the W221 model,
• maintain the line and shape of the factory backrest,
• ensure the proper operation of the folding and storage compartment opening mechanism.

Its original Mercedes origin translates into a perfect fit with other interior elements – door panels, the center console, and adjacent trims. As a result, there are no unsightly gaps or differences in shade or material texture after installation.

Performance characteristics and installation benefits

Replacing the backrest with armrest and storage compartment in the rear cabin is particularly recommended when the factory component has suffered mechanical wear, upholstery damage, or structural deformation. Using an original module provides a number of benefits:

• maintaining travel comfort for rear-seat passengers,
• preserving a uniform interior finish style,
• the ability to restore the factory functionality of the storage compartment and armrest.

The backrest with armrest and storage compartment is a component that is subject to use every time it is folded, leaned on, or accessed, which is why its condition has a direct impact on the perceived quality of the interior. Choosing an original component avoids fitment issues and ensures stable mounting in the rear of the vehicle.

Product condition and service application

The presented item comes from the segment of used original parts, which allows for cost-effective interior repair while maintaining compliance with factory specifications. This type of component is frequently used both in professional service centers specializing in S-Class repairs and by workshops specializing in the restoration of premium vehicle interiors. In practice, this means the possibility of:

• restoring full functionality to the rear armrest,
• reducing costs compared to purchasing a new component,
• preserving the original character of the passenger cabin.

Compatibility with other trim elements

When planning to refresh the rear interior, it is worth paying attention to the consistency of all trims and decor. If you are planning a comprehensive repair or upgrade of the rear cabin area in your Mercedes and need other elements from the same group, such as additional trims, decorative strips, or decorative panels, check the available parts in the Mercedes Trims, decorative strips, and decorations category.

Safety in selecting used parts

When choosing used interior components – just as with technical sub-assemblies – it is worth following proven verification procedures. If you want to deepen your knowledge on the safe selection of components from the secondary market, including elements with greater safety significance, read the guide Second-hand braking system: how to safely select discs, calipers, and ABS?. Although it concerns a different group of parts, the principles of assessing condition and origin presented there can be successfully applied to the conscious selection of interior equipment elements.