Mercedes ML W166 Door Cover Trim Strip Panel Rear Left N/S A1667320021

Mercedes ML W166 Door Cover Trim Strip Panel Rear Left N/S is an original body component from the Claddings, trim strips, and decorations group, designed for installation in the rear left door area. This used part allows you to maintain a consistent look for the vehicle's side profile, ensuring factory-grade fitment and an aesthetic body finish.

Specifications and technical data

• SKU: A1667320021
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667320021
• Substitutable numbers: A1667320021, A 166 732 00 21
• Location on the vehicle: Rear, Left
• Category: Trim

Purpose and function of the component

The trim strip for the rear left door on a Mercedes ML W166 is responsible for the aesthetic finishing of the lower part of the panel and visually completing the side line of the body. A correctly selected component:

• maintains a consistent look for the entire side of the vehicle,
• masks minor irregularities in the sheet metal edges,
• limits the direct impact of external factors on the door edge.

Thanks to its factory geometry, the trim strip maintains proper adhesion to the door surface, which translates into stable mounting and predictable behavior during operation.

Construction and body fitment

The component has been designed specifically for installation in the rear left part of the vehicle, meaning its shape, length, and profile are adapted to the characteristic body line of the ML W166. Precise fitment:

• facilitates installation at factory mounting points,
• ensures an even gap relative to adjacent components,
• minimizes the risk of stress and deformation during use.

The original trim strip from the Claddings, trim strips, and decorations range allows you to maintain visual consistency with other body finish elements, without differences in shade or profile.

Characteristics of the used part

The offered trim strip is a used component, which in practice means a beneficial combination of original origin and an attractive price compared to a new component. In the case of this type of part, the following are particularly important:

• preservation of the factory shape and mounting points,
• lack of significant deformations affecting installation,
• suitability for further use after proper mounting.

For many Mercedes users, choosing an original, used trim strip is a sensible solution for accident repairs or cosmetic body refreshing, allowing you to maintain a consistent vehicle appearance without the need to invest in a new element.

Benefits of using an original trim strip

Using a factory trim strip on the rear left door provides a number of practical benefits:

• Full compatibility with the body – a component designed for a specific model ensures proper fitment with the door and adjacent claddings.
• Consistent aesthetics – maintaining the original styling line characteristic of the ML W166.
• Stable mounting – matched mounting points reduce the risk of looseness and unwanted vibrations.

As a result, the trim strip serves as a functional addition to body and paint repairs as well as replacements following mechanical damage in the rear door area.

Complementary finishing elements

If you are planning a comprehensive repair or upgrade of the side body area of your Mercedes and need other elements from the same group, such as covers, overlays, or additional trim strips, check the available parts in the Mercedes claddings, trim strips, and decorations category.

If you want to better plan your purchases and learn how to effectively collect original used parts for body and interior repairs, it is worth checking out our one-stop-shop guide: Comprehensive supply: from the engine to the smallest clip – how to collect used car parts in one place?