Mercedes W166 Door Sill Step Plate Right O/S Entrance Cover Trim A1666900275

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W166 Door Sill Step Plate Right O/S Entrance Cover Trim is an original body component from the Door sill trims group, designed for installation on the right side of the vehicle. This used Mercedes part allows for maintaining the factory sill geometry, a consistent side line, and proper protection of the sill area against mechanical damage.

Specifications and technical data

• SKU: A1666900275
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1666900275
• Substitutable numbers: A1666900275, A 166 690 02 75
• Location on the vehicle: Right
• Category: Running Boards & Side Bars

Purpose and function of the door sill trim

The right sill cover for W166 series models is responsible for shielding the outer part of the sill and providing an aesthetic finish to the lower edge of the body. This component visually stabilizes the side line, limits the exposure of the sill sheet metal to stone chips, dirt, and minor impacts, and also makes it easier to keep the vehicle clean in the sill area.

Thanks to the original design, the trim works with factory mounting points, which promotes proper drainage of water and dirt from the sill area and minimizes the risk of corrosion in this zone.

Construction and body fitment

The door sill trim has been designed specifically for the W166 body, taking into account the characteristic side profile and the shape of the sills. Properly contoured edges ensure a tight fit to the bodywork, and the factory geometry facilitates installation without the need for structural modifications.

Placement on the right side of the vehicle guarantees compatibility with the factory layout of mounts and adjacent components, such as door panels or wheel arch covers. As a result, visual consistency of the entire side of the body is maintained after installation.

Benefits of using an original door sill trim

Using an original sill cover to replace a damaged component allows for restoring the vehicle's factory appearance and proper protection of the sill zone. This solution is particularly beneficial for post-accident repairs, body restoration, or preparing a car for sale, where compliance with the manufacturer's design is essential.

The main advantages of using this component include:

• maintaining the factory side line of the body,
• proper fitment with other body panels,
• protection of the sill against operational damage,
• possibility of installation in place of the original trim without interfering with the vehicle's structure.

Use in repairs and upgrades

The right-side door sill trim is suitable both for standard replacement of a damaged part and for more extensive body and paint work in the sill area. Using a pre-owned part allows for optimizing repair costs while maintaining the original body specification, which is important, for example, for fleet vehicles or cars used intensively.

If you are planning a comprehensive repair or upgrade of the sill area in your Mercedes and need other components from the same group, such as covers, overlays, or additional trims, check out the available parts in the Mercedes door sill trims category.

Why consider used body components

Choosing a used door sill trim is a solution that allows you to combine cost control with maintaining the original body structure. In the case of exterior elements such as sill covers, it is primarily important to ensure shape fitment, consistency with the body line, and the ability to mount to factory attachment points.

If you want to learn more about the advantages of using used components in premium class cars and find out what to look for when choosing them, check out the article: Used parts for BMW – is it worth it? Key benefits for brand enthusiasts.