Mercedes ML W166 Rear Interior Door Trim Strip Right O/S Black A1667320121

Mercedes ML W166 Rear Interior Door Trim Strip Right O/S Black is an original body component from the Claddings, trim strips and decorations group, designed for installation on the right side of the rear door. This used, factory-made trim strip allows you to maintain a consistent look for the side of the body, ensuring an aesthetic finish and proper fitment with the door.

Specifications and technical data

• SKU: A1667320121-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667320121
• Substitutable numbers: A1667320121, A 166 732 01 21
• Location on the vehicle: Rear, Right
• Category: Trim

Purpose and vehicle placement

The presented trim strip is dedicated for installation in the rear, right area of the body, on the door edge. This placement ensures:

• a consistent finish of the vehicle's side line,
• aesthetic masking of the sheet metal edges,
• a perfect fit to the factory door profile in the ML W166 model.

Thanks to a design consistent with the original bodywork, the trim strip works in harmony with other decorative elements, maintaining proper gaps and geometry.

Characteristics and function of the decorative trim strip

The black rear door trim strip serves both a decorative and protective function. Its tasks include:

• visual organization of the lower or middle part of the door (depending on the equipment version),
• limiting minor paint damage at the installation point,
• maintaining the original stylistic character of the Mercedes ML W166 body.

Using an original black trim strip allows you to avoid differences in shade and shape typical of aftermarket replacements, which translates into a more consistent appearance of the entire side plane of the vehicle.

Benefits of using an original Mercedes trim strip

Choosing a factory component from the Claddings, trim strips and decorations group provides a number of practical installation and utility benefits:

• secure fit to the door edge without the need for modifications,
• preservation of the factory body line and characteristic stampings,
• easier installation thanks to compatibility with original mounting points.

The used component allows for an economical visual repair of the vehicle after operational or body-paint damage, while maintaining the original standard of workmanship characteristic of the Mercedes brand.

Condition and service application

The trim strip in used condition is a good solution for post-accident repairs, replacing individual decorative elements, or restoring the vehicle to its factory appearance after localized damage. It is particularly useful when you want to:

• preserve the original character of the side body section,
• reduce costs compared to new parts,
• maintain consistency with other trim strips on the vehicle.

If you are planning a comprehensive repair or upgrade of the door area in 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.

For better planning of service work on the vehicle and selecting other body and interior equipment components, it is also worth reading the guide on operation and part selection, available in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which helps organize your approach to used OEM components.