Mercedes W164 C-Pillar Cover Panel Trunk Grey Rear Right O/S A1646902025

The Mercedes W164 C-Pillar Cover Rear Right A1646902025 is a factory body trim from the Trims, Decorative Strips, and Decorations group, designed for installation on the rear right side of the body. The grey color of the element allows for aesthetic integration with the original interior and side panel finish, ensuring a cohesive, organized look for the C-pillar area.

Specifications and technical data

• SKU: A1646902025-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1646902025
• Substitutable numbers: A1646902025, A 164 690 20 25, KD
• Location on the vehicle: Rear, Right
• Color: Grey
• Category: Trim

Purpose and Function of the Element

The presented C-pillar cover is specifically designed for the W164 series body, located on the rear right side of the vehicle. The element serves a protective and masking role, covering the pillar's structure and wiring runs, while also stabilizing the side trim in this area. This maintains an organized interior appearance and protects critical body sections from accidental mechanical damage.

Construction, Color, and Fitment

The cover is manufactured as a dedicated finishing panel, geometrically matched to the shape of the C-pillar in the W164 body. The grey color allows for harmonious integration with the factory upholstery and other finishing elements in the rear cabin. Precise embossing and mounting points enable stable installation without the need for modifications or adjustments on the vehicle.

Installation Characteristics

The placement on the vehicle specified as rear – right side clearly indicates the mounting position, which simplifies selecting the correct part for collision repairs or when completing missing trim pieces. The panel's construction is prepared to work with factory clips and fasteners, facilitating quick, repeatable installation in service or workshop conditions.

Condition and Origin

The cover comes from the Mercedes brand offering and is a used part, which ensures compatibility with the vehicle's original finishing standard. This type of component is particularly useful for body repairs when restoring the factory appearance of the C-pillar is required without the need to use aftermarket replacements with different textures or shades.

Application in Repairs and Upgrades

The element is suitable for both post-collision repairs and for supplementing missing trim in the rear cabin. Thanks to its precise fit to the body structure, it is possible to restore a cohesive finishing line and improve the visual appearance of the rear right pillar area. This is a practical solution for workshops, body shops, and owners who care about the technically correct condition of their interior.

If you are planning a comprehensive repair or upgrade of the decorative and finishing area in your Mercedes and need other elements from the same group, such as covers, strips, or additional trim pieces, check the available parts in the Mercedes Trims, Decorative Strips, and Decorations category.

To better choose your service strategy and decide when it's worth opting for a used part versus another type of component, the article Original, Aftermarket, or Used – Which Car Parts Are Most Cost-Effective? may be helpful, discussing the differences in cost, quality, and fitment by part numbers.