Window Strip Mercedes W212 Door Trim Seal Interior Rear Right O/S A2127351665

The MERCEDES W212 Right Door Seal Rear Right Passenger Side is an original body part from the Door Seals group, designed for installation on the rear right door of Mercedes E-Class W212 models. Its precisely shaped profile and specific body fit effectively reduce noise, vibrations, and moisture ingress into the vehicle's interior. The chrome finish adds an aesthetic accent to the side of the car, consistent with the body line.

Specifications and technical data

• SKU: A2127351665
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2127351665
• Substitutable numbers: A2127351665, A 212 735 16 65, KZ
• Location on the vehicle: Rear, Right
• Color: Chrome
• Category: Door Seals

Purpose and Function of the Door Seal

This seal is designed for installation on the rear right door of the Mercedes W212, in the rear passenger side body area. Its purpose is to seal the contact between the door and the body, which results in:

• preventing water and dirt from entering the interior,
• reducing wind noise at higher speeds,
• stabilizing the door within the body frame,
• maintaining proper lock and hinge operation through correct pressure.

Thanks to its specific fit for the vehicle model and side, the seal works with the factory mounting points, preserving the original door gap geometry.

Construction, Color, and Body Fit

This part belongs to the Door Seals group, meaning it is designed for demanding operating conditions – variable temperatures, humidity, and mechanical stress during door opening and closing. The Chrome finish helps maintain consistency with the factory trim and styling details of the Mercedes W212, especially in trim levels with chrome accents.

The seal's profile is adapted to the shape of the door frame and the adjacent body part, facilitating installation and minimizing the risk of leaks after replacement. The appropriate rigidity and flexibility of the material ensure proper pressure along the entire door perimeter, without the need for additional modifications.

Condition, Installation, and Service Application

The seal is offered as a used original part, which means it retains its factory geometry and compatibility with the Mercedes W212 door construction. This type of part is suitable for both standard replacement of a worn seal and for post-accident repairs where restoring sealing and proper door fit is necessary.

Due to its dedicated placement on the vehicle, installation is similar to factory disassembly and installation – after proper preparation of the mounting surface, even adhesion can be achieved along the entire perimeter of the rear right door pair.

Benefits of Using an Original Door Seal

Using an original seal in the Mercedes W212 helps maintain factory acoustic comfort and interior protection parameters. Key benefits include:

• Factory Fit – no modifications required, consistent with the body line and door construction.
• Visual consistency with other chrome body elements.
• Stable sealing of the door-to-body contact area, important for daily use.
• Ability to restore original driving comfort after replacing a worn or damaged seal.

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 additional seals, window trims, or door perimeter profiles, check the available parts in the Mercedes Door Seals category.

For a broader perspective on selecting original body parts and aftermarket equipment, consult the guide: Best Used Car Parts – A Guide to the Most Popular Original Parts for Popular Car Brands and Models.