Trunk Card Mercedes ML W166 Boot Side Panel Trim Right Black A1666900000

Trunk Card Mercedes ML W166 Boot Side Panel Trim Right Black is an original cargo area interior trim designed for installation on the right side of the trunk. This component belongs to the Trims, decorative moldings, and decorations group, allowing you to restore the consistent look of the trunk finish and maintain the factory character of the interior. The black color scheme makes it easy to match the standard cabin decor and provides an aesthetic, subtle effect.

Specifications and technical data

• SKU: A1666900000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666900000
• Substitutable numbers: A1666900000, A 166 690 00 00
• Location on the vehicle: Right
• Color: Black
• Category: Trim

Purpose and function in the vehicle

The presented trunk side panel is dedicated to the Mercedes ML W166 generation model and is mounted on the right side of the cargo area. Its task is to cover the structural elements of the body, dampen noise from this part of the wheel arch, and visually organize the trunk. As a result, the interior remains tidy, and the transported cargo does not have direct contact with the body sheet metal.

The trim belongs to the group of finishing elements that affect daily comfort – they reduce noise, protect the bodywork against accidental impacts from luggage, and improve the overall ergonomics of using the cargo space.

Construction, color, and fitment

The side panel has been designed as a factory finishing element, which ensures precise fitment to the body shape and existing mounting points. The black color of the trim is consistent with the typical interior finish of the Mercedes ML W166, ensuring that visual consistency of the entire cargo space is maintained after installation.

Positioning on the right side of the vehicle means that the geometry of the panel is strictly matched to this part of the wheel arch and the side wall of the trunk. In practice, this translates into:

• stable seating in factory mounting points,
• no need for modifications or forced fitting,
• preservation of the original lines and contours of the interior.

Use in repairs and interior renovation

The element is suitable both for replacing a damaged side panel after a collision or mechanical damage, and for renovating the vehicle's interior when the existing trim is worn out. Using an original panel avoids fitment issues typical of aftermarket replacements and facilitates quick installation in workshop conditions.

Replacing the trunk side panel is particularly important when the existing element has cracks, gaps, or deformations that hinder proper mounting. The new panel restores proper support for adjacent finishing elements and stabilizes the entire trunk structure.

Benefits of using the original trim

Using a factory trunk side panel in a Mercedes ML W166 brings a number of practical benefits:

• Consistent interior look – the black trim harmonizes with other finishing elements, without differences in shade or texture.
• Proper fitment for the right side of the vehicle – the panel is prepared for a specific body, which facilitates installation and ensures stability.
• Protection of the body structure – the trim separates the transported cargo from the sheet metal, reducing the risk of scratches and dents.
• Better acoustic comfort – an additional layer of finishing material helps in dampening noise coming from the wheel arch area.

Condition and service application

The product comes from disassembly and is intended for re-installation in a vehicle where replacing the right trunk side panel is necessary. This is a practical solution for workshops specializing in the Mercedes brand and for individual users who want to restore the aesthetics and functionality of the cargo space without investing in a complete interior rebuild.

If you are planning a comprehensive repair or upgrade of the trunk area in your Mercedes and need other elements from the same group, such as additional panels, trims, or decorative moldings, check the available parts in the Mercedes Trims, decorative moldings, and decorations category.

For users also interested in vehicle lighting and selecting used lighting components, a guide on LED and Xenon headlights may be useful – more information can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.