Mercedes W212 Door Sill Trim Rear Left Step Cover Panel N/S A2126861136

Mercedes W212 Door Sill Trim Rear Left Step Cover Panel is an original interior trim component designed for installation on the rear passenger side. The chrome finish ensures a consistent look with factory details, and the precise fit for this specific Mercedes generation guarantees perfect alignment with the upholstery and door sill.

Specifications and technical data

• SKU: A2126861136-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2126901750
• Substitutable numbers: A2126901750, A 212 690 17 50, A2126901650, A 212 690 16 50, KZ
• Location on the vehicle: Rear, Left
• Part type: Trim Strip
• Color: Chrome
• Category: Trim

Purpose and function of the component

The described Mercedes W212 Door Sill Trim Rear Left Step Cover Panel is part of the entry area for the rear row of seats. It protects the edge of the sill from scratches during entry and exit and visually organizes the line of the lower upholstery section. This helps the interior maintain an aesthetic appearance while protecting the bodywork elements from mechanical damage.

Finish and color scheme

The chrome surface of the trim has been designed to harmonize with other decorative elements in the cabin. The Chrome color emphasizes the character of a premium vehicle, adding elegance to the interior and visually brightening the sill area. This type of finish blends well with both light and dark upholstery, making it easy to match in various equipment configurations.

Installation and vehicle fitment

The door sill trim is designed for installation in the rear left part of the vehicle, allowing for a precise fit to the shape of the sill and door panel. Its original Mercedes origin ensures the preservation of factory mounting points and the correct geometry of the component. As a result, the installation process is straightforward, without the need for modifications or adjustments required by aftermarket replacements.

Characteristics as a used OEM component

The product comes from disassembly, which means it is an original Mercedes part in used condition. Such components are frequently chosen by owners of premium vehicles who expect to maintain the factory look of the interior and compatibility with other trim elements. A used OEM component often fits the current visual state of the vehicle better than a new replacement with a different texture or shade.

Sill area and consistency of Mercedes finishes

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

Why choose used originals for your Mercedes

For premium brands, used OEM components are increasingly chosen as they ensure proper fitment, consistent finish, and predictable performance. If you want to better understand why the secondary market for high-end car parts is growing dynamically and how to reasonably plan repairs based on components from disassembly, check out the article Crisis in the new parts market? Why used originals for premium cars (BMW, Mercedes, Porsche) are the hottest trend in 2026.

Safe selection of used components

When choosing used trim and mechanical elements, it is worth paying attention to their origin, compatibility with the specific model version, and actual visual condition. For users who are also planning work on the fuel system or considering the purchase of used components from disassembly, the guide Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?, which discusses practical rules for the safe selection of parts from the secondary market, may be helpful.