Mercedes-Benz W221 Right O/S B-Pillar Damping Trim Cover Insulation A2216822630

Mercedes-Benz W221 Right O/S B-Pillar Damping Trim Cover Insulation is an original interior trim component, designed specifically for the S-Class W221 generation models. This part from the Cladding, decorative strips, and trim group is responsible for the aesthetic finish of the center pillar on the driver or passenger side, as well as providing additional acoustic insulation for the cabin. Thanks to its factory-fit design, it serves as a functional solution for post-accident repairs, replacing worn upholstery elements, or completing the vehicle's interior.

Specifications and technical data

• SKU: A2216822630
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2216822630
• Substitutable numbers: A2216822630, A 221 682 26 30, KZ
• Location on the vehicle: Right
• Category: Trim

Purpose and function of the component

The described B-pillar cover is intended for installation on the right side of the body in a Mercedes S-Class W221. Its functions include:

• aesthetically covering the center pillar structure,
• maintaining a consistent interior design line,
• supporting cabin soundproofing,
• protecting the components underneath from accidental mechanical damage.

Thanks to its factory geometry and appropriately selected rigidity, the cover works well with the upholstery, door seals, and seat belts, which translates into stable mounting and the reduction of unwanted vibrations.

Construction and fitment for Mercedes-Benz W221

The component was developed as part of the Mercedes S-Class interior trim system, therefore it ensures precise fitment with the right side of the B-pillar. The design takes into account factory mounting points and the routing of installations inside the pillar, which facilitates assembly and disassembly during service or bodywork repairs.

The cover combines decorative and insulating functions – the appropriately shaped outer surface harmonizes with other upholstery panels, and the damping layer helps reduce noise penetration from the door and wheel arch areas into the vehicle's interior.

Application in repairs and interior upgrades

This right B-pillar cover is particularly useful in situations where:

• it is necessary to replace a damaged element after a collision or bodywork,
• the existing cladding is worn, scratched, or deformed,
• you are completing missing interior elements in a Mercedes W221,
• you want to restore a consistent look and improve the acoustic comfort of the cabin.

Since this is a trim component, installation can usually be carried out without interfering with the body structure, limited to work on the upholstery and fasteners.

Product condition and benefits of choosing an original part

The offered item is in used condition, making it an attractive cost-effective alternative to new parts while maintaining the original manufacturer's specifications. In practice, this means preserving the factory shape, compatibility with fasteners, and visual consistency with other interior elements of the Mercedes S-Class W221.

Choosing an original B-pillar cover allows you to avoid fitment issues typical of aftermarket replacements with universal geometry and facilitates subsequent service work on the upholstery and installations running through the pillar.

Expanding interior trim work

If you are planning a comprehensive repair or upgrade of the interior trim zone in your Mercedes and need other elements from the same group, such as covers, overlays, or additional strips, check the available parts in the Mercedes cladding, decorative strips, and trim category.

For larger renovation projects or restoring a car to factory condition, it is also worth expanding your knowledge about purchasing used components – practical tips can be found in the article How to buy a used car engine and not get scammed – a step-by-step guide, which helps you consciously assess the technical condition of parts from the secondary market.