Mercedes W212 Estate Entrance Cover Rear Left Door N/S Trim Panel A2126904725

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W212 Estate Entrance Cover Rear Left Door N/S Trim Panel is a factory body component from the Doors and door panels category, designed for installation in the rear left section of the vehicle. The original geometry and profile of the trim ensure proper guidance of the sill edge and a consistent transition between the door and the body, which translates into aesthetics and the correct operation of adjacent components. The used OEM component allows for a technically correct replacement of a damaged trim without interfering with the sill structure.

Specifications and technical data

• SKU: A2126904725
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2126904725
• Substitutable numbers: A2126904725, A 212 690 47 25, BG
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and function of the component

The rear left sill trim in the Mercedes W212 model is responsible for covering and finishing the lower edge of the sill area in the vicinity of the rear door. This component:

• stabilizes the sill line relative to the door skin,
• limits the exposure of the body edge to dirt and minor mechanical damage,
• supports proper water drainage from the sill area,
• ensures a visually consistent flow of the side body line.

By maintaining the factory shape, the trim works with the original mounts and seals, which facilitates installation and subsequent operation.

Construction and body fitment

The trim has been designed specifically for the W212 platform, taking into account the characteristic side profile of the Mercedes body. Properly contoured edges allow for precise fitting with:

• the lower part of the rear door skin on the left side,
• the outer surface of the sill,
• adjacent bodywork elements in the rear body area.

Such fitment reduces stress at the connection point and decreases the risk of looseness or unwanted noises while driving. Original Mercedes brand origin means maintaining the proper rigidity and compatibility with factory mounting points.

Vehicle placement and installation aspects

The component is intended for installation in the rear – left side area, which is important both when selecting parts and planning bodywork and installation tasks. Proper placement on the vehicle allows to:

• restore the sill line after accident repairs,
• restore proper fitment of the rear door on the left side,
• maintain factory gaps and clearances between body elements.

The used OEM component is a practical solution in situations where it is necessary to replace the trim itself without interfering with the sill or door structure. Precise fitment to the specific mounting location shortens work time and makes it easier to achieve a repeatable result.

Benefits of using an original sill trim

Using an original sill trim in a Mercedes W212 brings a number of technical and functional benefits:

• preservation of the factory side body line and visual consistency,
• compatibility with existing mounts and seals,
• reduction of the need for adjustments or modifications to the component,
• easier inspection of the sill and surrounding sheet metal during service.

For body shops and service centers specializing in the Mercedes brand, this is a solution that allows for repeatable, predictable repair results, and for the user – for restoring the proper appearance and function of the sill area.

Expanding the sill area repair in a Mercedes

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 the available parts in the Mercedes Doors and door panels category.

When choosing between new and used body components, it is worth analyzing the cost-to-quality ratio and the impact on the final repair effect – the comparison prepared in the article New or used? A comparison of costs and quality of car parts may be helpful, where practical differences between OEM parts from the secondary market and new replacements are discussed.