Mercedes W212 Finisher Window Frame Pillar Door Rear Right O/S A2127300419

Right Rear Door Pillar Window Frame Trim Strip for Mercedes W212 is a precisely fitted body part from the Doors and Door Panels group, designed for installation on the right rear side of the vehicle. It is responsible for the aesthetic and technical finishing of the window frame, ensuring a cohesive look of the vehicle's side line and proper sealing.

Specifications and technical data

• SKU: A2127300419
• Mark: Mercedes (Genuine OE)
• Condition: New
• OEM Part Number: A2127300419
• Substitutable numbers: A2127300419, A 212 730 04 19, KZ
• Location on the vehicle: Rear, Right
• Category: Doors & Door Skins

Purpose and Function of the Part

The described trim strip is dedicated to the right rear door panel on Mercedes E-Class W212 models. Its placement on the vehicle in the pillar and window frame area means this part is responsible for:

• stable finishing of the rear right door window edge,
• maintaining the correct geometry for seal adhesion,
• aesthetically completing the vehicle's side line,
• reducing air noise around the window frame.

Thanks to its precise profile, the trim strip works with the factory door mountings, which facilitates installation and helps maintain the original character of the body finish.

Compatibility and Fitment

The part has been designed specifically for the right rear door construction of the Mercedes W212, resulting in excellent fitment with the door frame and adjacent body panels. The use of original geometry ensures:

• correct positioning relative to the window and seals,
• no need for modifications to mountings,
• maintenance of factory gaps between body panels,
• a visually cohesive flow of the pillar and window frame line.

Such precise fitment is particularly important for post-accident repairs and when replacing worn or damaged trim strips, where restoring the vehicle's factory appearance is a priority.

Quality of Workmanship and Benefits of Installation

The Right Rear Door Pillar Window Frame Trim Strip for Mercedes W212 has been developed with durability and stable mounting in mind. Appropriately selected profile and construction designed for operation in areas exposed to temperature and humidity changes allow for:

• maintaining the aesthetic appearance of the vehicle's side for a long time,
• reducing the risk of looseness and creaks around the window frame,
• easier adjustment of the window and seals during bodywork and assembly,
• maintaining visual consistency with other door elements.

Replacing a worn or damaged trim strip with a new part allows for the restoration of the door area's original appearance and improved acoustic comfort inside the vehicle.

Application in Body Repairs

This part fits perfectly into professional repairs of door and pillar areas, both after collisions and during body restoration. It can be used in:

• post-accident repairs of the vehicle's side,
• comprehensive bodywork and painting in the rear door area,
• restoring the factory appearance after window or seal replacement,
• visual modernization of the vehicle's side line.

Thanks to its precise fit to the right rear door construction, installation is efficient, and the final result is consistent with the factory finishing standard.

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other parts from the same group, such as panels, reinforcements, or additional trim strips, check the available parts in the Mercedes Doors and Door Panels category.

To better plan service work and select appropriate body components before the winter season, it is worth familiarizing yourself with practical tips in the article Winter Essentials: Which Used Car Parts Are Worth Checking and Replacing Before the Frost?, where you will find checklists, information on OEM markings, and answers to common driver questions.