Mercedes R171 Trim B Pillar Right O/S Panel Rear Black A1716902425

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes R171 Trim B Pillar Right O/S Panel Rear Black is a precisely fitted interior trim component designed for installation in the rear right section of the vehicle body. This aesthetic black cover allows for the restoration of a cohesive interior look and ensures proper mounting of the speaker in the B-pillar. Thanks to its original Mercedes origin, it ensures correct geometry and compatibility with factory mounting points.

Specifications and technical data

• SKU: A1716902425
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1716902425
• Substitutable numbers: A1716902425, A 171 690 24 25
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Trim

Purpose and function of the component

The B-pillar speaker cover in Mercedes R171 models is responsible for the aesthetic finishing of the rear right interior section and for covering the audio installation in this area. The component is mounted in the rear zone, on the right side, providing:

• concealment of speaker wires and mounts within the B-pillar,
• a visually consistent appearance of the side cabin area,
• stable support for the speaker grille,
• protection of audio components against accidental mechanical damage.

Construction, color, and fitment

The cover belongs to the Trims, decorative moldings, and decorations category, which means it has been designed to harmoniously combine protective function with interior aesthetics. The black color facilitates integration with the factory upholstery and other side panels, while the carefully selected texture of the material helps maintain a consistent stylistic character of the cabin.

The component is profiled for the specific geometry of the B-pillar in the R171 body, ensuring that after proper installation, it maintains correct joint lines with adjacent panels. Proper fitment reduces the formation of unwanted gaps and minimizes the risk of rattles or resonances while driving.

Condition, application, and benefits of installation

The offered cover is a used original component, which in practice means maintaining factory construction and compatibility while offering an attractive cost-to-quality ratio. It is a good solution in situations where:

• the existing cover has been mechanically damaged (cracks, broken clips),
• wear or deformation has occurred following previous interior repairs,
• it is necessary to restore the completeness of the B-pillar assembly after interference with the audio system.

Replacing it with an original component from the same construction group allows for maintaining the factory assembly standard without the need for modifications or fitting universal replacements. This is particularly important for interior components, where both mounting stability and the repeatability of gaps between panels are essential.

Integration with the interior and audio zone

The B-pillar speaker cover in the rear right section of the body works with the factory sound system, creating a properly defined mounting space for the speaker. A correctly installed panel:

• ensures proper positioning of the speaker relative to the pillar and upholstery,
• limits the transmission of vibrations to adjacent trim elements,
• helps maintain an orderly routing of audio cables in this zone.

This makes it possible to preserve the factory character of the sound system's performance and the aesthetic appearance of the rear passenger cabin.

Interior modernization expansion

If you are planning a comprehensive repair or modernization of the interior trim zone in your Mercedes and need other components from the same group, such as covers, decorative moldings, or decorative upholstery panels, check the available parts in the Trims, decorative moldings, and decorations Mercedes category.

For users interested in a broader approach to vehicle servicing, including the optimal selection of original and used components, the article describing practical aspects of repairs using dismantled parts may be helpful – you can find it here: BMW N47 timing chain – typical failure and repair using original BMW parts.