Mercedes-Benz ML W164 GL X164 Right O/S B-Pillar Trim Cover Black A1646909825

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes-Benz ML W164 GL X164 Right O/S B-Pillar Trim Cover Black is an original interior trim component designed for installation on the right side of the vehicle body. The black color of the cover allows for an aesthetic match with the factory cabin design, and the construction, compliant with the manufacturer's specifications, ensures proper fitment and stable mounting. It is a practical choice when replacing a damaged part or during restoration work around the B-pillar.

Specifications and technical data

• SKU: A1646909825
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646909825
• Substitutable numbers: A1646909825, A 164 690 98 25, KZ
• Location on the vehicle: Right
• Color: Black
• Category: Other Interior Parts & Accessories

Purpose and function of the B-pillar cover

The described cover is an interior trim component for Mercedes ML W164 and GL X164 models, mounted on the right side of the B-pillar. Its purpose is to aesthetically cover the vehicle's structural frame and maintain the stylistic lines of the passenger cabin's side section. A correctly selected cover helps maintain a consistent interior look while protecting sensitive body areas from accidental mechanical damage.

The black finish is characteristic of many Mercedes interior configurations, making it easy to integrate with factory upholstery and panels. This type of component is particularly important during repairs following side collisions, seat belt replacements, or comprehensive interior restoration, where maintaining original geometry and assembly lines is required.

Construction, color, and fitment

The B-pillar cover is designed as a component dedicated to a specific body zone, which translates into proper alignment with adjacent panels and door seals. The black color provides a neutral, universal look that works well with both dark and lighter upholstery variants. As a result, the element can be used for both standard repairs and more extensive interior modernization work.

Its placement on the right side of the vehicle means that the mounting geometry, contours, and edge shapes are adapted to this specific part of the body. In practice, this facilitates installation and reduces the need for additional adjustments, which is important for both workshops and users servicing the vehicle themselves.

Application in repairs and interior restoration

The right B-pillar cover in a black finish is suitable for several typical service scenarios:

• replacement of a damaged or scratched component after mechanical impact,
• body and paint work around the B-pillar requiring disassembly and reassembly of the trim,
• visual cabin restoration when the goal is to restore a consistent look to the side interior,
• interior modernization while maintaining the original Mercedes styling.

By maintaining factory geometry, the component allows for the correct routing of seat belts and other parts running through the B-pillar area, which is important for both user comfort and safety.

Condition and benefits of choosing an original used part

The presented cover is a used part, which in practice means an economical replacement option while maintaining the original component origin. Compared to aftermarket replacements, an OEM part usually fits better with existing panel alignments, reducing the risk of unwanted gaps, squeaks, or surface color differences.

For workshops and individual users, this means more predictable installation and greater confidence that the cover will work with other B-pillar trim elements. It is a practical solution for repairs where both functionality and the Mercedes standard of finish are important.

Expanding work in the side body area

If you are planning a comprehensive repair or modernization of the side zone in your Mercedes and need other elements from the same group, such as covers, trim panels, or additional moldings, check out the available parts in the Other Mercedes category.

For more advanced modernization projects or when comparing design solutions from different brands, it is worth checking out our guide material. In this context, an article discussing the differences in construction and equipment of sports versions from a premium manufacturer may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.