Trunk Card Mercedes ML W166 Boot Side Panel Trim Left Black A1666900100

Trunk Card Mercedes ML W166 Boot Side Panel Trim Left Black is an original cargo area trim component designed for installation on the left side of the trunk. The black lining ensures a consistent look with the factory interior while allowing for an aesthetic and functional restoration of your Mercedes trunk setup. Thanks to the preservation of factory mounting geometry, installation is predictable and straightforward, with no modifications required.

Specifications and technical data

• SKU: A1666900100
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666900100
• Substitutable numbers: A1666900100, A 166 690 01 00
• Location on the vehicle: Left
• Color: Black
• Category: Trim

Purpose and function of the component

The left-side trunk panel is responsible for the aesthetic finishing of the cargo area wall and the protection of internal body structures and installations. In the Mercedes ML W166 model, it serves as a cover for the side structure, helping to:

• maintain an organized appearance of the trunk,
• reduce the risk of mechanical damage to components under the lining,
• reduce noise and vibrations transmitted from the body to the interior,
• provide stable support for transported cargo.

Selecting the correct left-side panel is essential for maintaining consistent interior geometry and proper fitment with adjacent panels and the trunk floor.

Color and visual fit

The black color of the lining is consistent with the typical trunk interior finish in the Mercedes ML W166, which allows for maintaining a uniform style throughout the entire cargo area. As a result, the component blends well with:

• factory trunk floor upholstery,
• other side panels,
• loading sill covers and the rear part of the seat backrests.

Such visual matching is particularly important during post-accident repairs or when replacing individual interior components, when you want to preserve the factory character of the interior.

Installation characteristics

The trunk panel has been designed as a component dedicated to a specific body model, which translates into a predictable installation process. Proper edge shaping and locations for factory mounts allow for:

• stable seating of the panel on the left side of the vehicle,
• proper adhesion to the wheel arch and adjacent elements,
• reduction of unwanted play and rattles while driving.

Thanks to this, the panel can be used both for standard replacement of a damaged part and for more extensive interior restoration work in the trunk.

Condition and practical application

The component comes from disassembly, which means it is a used part that retains the functionality necessary for further use. This type of solution is often chosen for repairs where combining original fitment with reasonable cost is key. The trunk panel will work well for, among other things:

• repairs after mechanical damage inside the trunk,
• interior restoration after replacing bodywork components,
• restoring the completeness of the setup after previous modifications.

Expanding the trunk setup in a Mercedes

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 linings, trim strips, or decorative side panels, check out the available parts in the Mercedes linings, decorative strips, and trim category.

Support in selecting used components

When choosing used interior trim components, it is worth paying attention to the compatibility of equipment versions and the general condition of the surface. If you are interested in a broader context of selecting used parts and want to better understand when such a solution is optimal, the following article may be helpful: Standard vs. sports suspension – design differences and is it worth buying used suspension parts?. Although it concerns a different group of components, it shows a practical approach to evaluating used car components.