Mercedes W251 Cover Trim Panel Pillar Lower Column B Right O/S Black A2516900425

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W251 Cover Trim Panel Pillar Lower Column B Right O/S Black is an original interior trim component designed for installation on the right side of W251 series models. The black B-pillar trim allows for an aesthetic finish to the cabin, restoring the consistent look of the upholstery and improving the visual quality of the interior. It is a practical solution for users who want to restore the factory finish of the side body section in a professional manner consistent with factory specifications.

Specifications and technical data

• SKU: A2516900425
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516900425
• Substitutable numbers: A2516900425, A 251 690 04 25
• Location on the vehicle: Right
• Color: Black
• Category: Trim

Purpose and function of the component

The described B-pillar cover is part of the Cladding, decorative strips, and trim group, responsible for the aesthetic and functional finishing of the center pillar on the passenger side. This element masks the body structure, seat belt routing, and wiring, while simultaneously stabilizing the section of upholstery in this area.

Precise fitment to the W251 body ensures proper adhesion to the chassis and adjacent panels, which reduces the risk of rattles, looseness, or unwanted vibrations while driving. As a result, the interior maintains a consistent, orderly character, and installation is predictable for an experienced technician.

Color scheme and interior integration

The black color of the cover has been selected for harmonious integration with factory door panels, the dashboard, and the headliner in typical W251 equipment configurations. The neutral, dark shade facilitates integration with various upholstery variants, both fabric and leather.

The uniform color helps to visually "hide" the pillar in the background, which improves the perception of the entire cabin and allows focus to remain on key cockpit elements. This is particularly important when replacing a single panel – the black cover minimizes visual differences between the newly installed element and other interior components.

Installation characteristics

The B-pillar trim cover on the right side is designed as a component dedicated to a specific body structure, which translates into a predictable installation process. Factory mounting points and properly shaped edges allow for stable seating of the panel relative to the sills, headliner, and door frame.

In practice, this means that by following the proper removal procedure for the old element and preparing the surface, the new cover can be installed without the need for additional modifications. This solution is beneficial both for workshops specializing in the Mercedes brand and for users carrying out replacements as part of a wider interior renovation.

Condition and service application

The item comes from the secondary market, making it an attractive cost-effective alternative to new panels while maintaining original geometry and purpose. Such covers are often used in:

• post-accident repairs of the side body section,
• interior renovations after mechanical damage or service disassembly,
• restoring visual consistency of the cabin after replacing seat belts or upholstery.

For users who care about maintaining the factory character of the interior, using an original trim panel is a more predictable solution than installing aftermarket parts with a universal design.

Expanding interior configuration

Replacing the B-pillar cover on the right side can be part of a wider cabin refreshment project, including other decorative panels, strips, and cladding. A consistent approach to the entire side zone allows for an even visual effect, without differences in texture or shade between individual elements.

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

Additional technical support

When working on the disassembly of interior elements, there is often a need to disconnect covers in the steering column area or panels adjacent to the vehicle steering system. To better understand the relationships between individual components and avoid installation errors, it is worth referring to educational materials. A helpful article describing the construction and operation of the steering system and examples of used parts can be found here: Steering system and power steering – how it works and what fails?.