Mercedes W212 Window Seal Door Trim Strip Rear Right O/S A2127351465

Mercedes W212 Rear Right Door Window Seal is a precisely fitted body part designed for the rear right window in the door of E-Class models. The original design for the Mercedes brand ensures proper adhesion to the door frame, noise reduction, and stable window guidance in the track. The black, discreet color scheme helps maintain the cohesive look of the factory finish.

Specifications and technical data

• SKU: A2127351465
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127351465
• Substitutable numbers: A2127351465, A 212 735 14 65, EM
• Location on the vehicle: Rear, Right
• Part type: Door Seal
• Color: Black
• Category: Door Seals

Purpose and Function of the Seal

The rear right door window seal in the Mercedes E-Class W212 generation is responsible for a watertight connection between the glass pane and the door frame. A correctly selected part:

• prevents water and moisture from entering the door and cabin,
• reduces wind noise at higher speeds,
• stabilizes the window in its track during raising and lowering,
• supports the proper operation of the window regulator mechanism.

Thanks to its dedicated placement on the vehicle (rear, right side), the seal is structurally adapted to the door's geometry, which facilitates installation and allows for maintaining the factory fit of the components.

Construction, Color, and Fitment

This part belongs to the Door Seals group, meaning it is designed to withstand varying weather conditions and frequent door opening and closing cycles. The black color is consistent with the typical finish of window frames in Mercedes vehicles, ensuring the seal does not stand out visually and harmoniously blends with other body elements.

Originality from the Mercedes brand translates to maintaining the correct profile geometry, which is crucial for sealing and even pressure distribution of the window along its entire length. In practice, this reduces the risk of creaks, looseness, or improper window closing after installation.

Characteristics of a Used Part

The seal is offered as a used part, allowing for economical repair while maintaining the original manufacturer's specifications. This type of component, when properly maintained, retains its properties for a long time, making it a sensible choice in many cases instead of aftermarket alternatives with uncertain profiles and material hardness.

When choosing a used door window seal, it is worth paying attention to the uniformity of its shape, the absence of significant deformations, and the continuity of the working surface that contacts the glass and the frame. A properly selected part helps restore acoustic comfort and correct window operation after door repair or glass replacement.

Compatibility and Service Application

The Mercedes W212 Rear Right Door Window Seal is intended for installation in the rear right area of the body, making it the correct choice for collision repairs, door or window replacements, or when addressing leaks in this part of the vehicle. By maintaining the factory profile, it is possible to restore original sealing parameters without the need for additional modifications.

The part is suitable for both spot repairs (replacing a single seal) and broader renovation work on the rear of the body, where restoring the visual and functional integrity of the entire door area is important.

Repair Extension and Selection of Other Components

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as perimeter seals, frame seals, or additional soundproofing profiles, check the available parts in the Mercedes Door Seals category.

When planning broader service work, it is also advisable to consult the guide on safely selecting used components, such as the article Second-Hand Braking Systems: How to Safely Choose Discs, Calipers, and ABS?, which shows what to look for when purchasing used parts from a professional automotive store.