Mercedes W251 Window Rail Seal Rear Right O/S Sealing Strip Trim A2517352065

The Mercedes W251 Rear Right Door Window Seal Strip is a precisely fitted body part from the Doors and Door Panels group, designed for installation on the rear right side of the vehicle. The black color of the strip ensures a visually cohesive finish for the window edge, and its manufacturer-standard construction guarantees proper adhesion and stable seating in the door.

Specifications and technical data

• SKU: A2517352065
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517352065
• Substitutable numbers: A2517352065, A 251 735 20 65
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Doors & Door Skins

Purpose and Function of the Part

The described seal strip is dedicated to the rear right door panel of W251 series models, where it is responsible for sealing the contact between the window and the door frame. A correctly chosen profile limits the ingress of water and contaminants into the door interior, and also reduces wind noise during driving. This maintains proper cabin sealing and stable window guidance within its track.

Construction and Body Fitment

The strip has been designed for factory-fitment with the window edge and door contours in the Mercedes W251. The black finish blends well with most body color configurations, creating an aesthetic line around the glazing. The profile shape allows for correct placement on the door frame, facilitating installation and minimizing the risk of leaks.

As a part of the Doors and Door Panels group, the seal works in conjunction with other door components, such as window guides and outer panels, contributing to the overall rigidity and smooth operation of the entire door module.

Performance Characteristics and Installation

The rear right window seal strip is intended for installation in the factory location, allowing for the preservation of the original gap geometry between the window and the door frame. The appropriately selected seal cross-section supports:

• limiting air drafts at higher speeds,
• reducing moisture ingress into the door structure,
• stable window guidance during raising and lowering.

A used part allows for an economical replacement of a worn or damaged strip, while maintaining compatibility with factory mounting points and body lines.

Benefits of Using an Original Seal Strip

Using an original seal strip in the Mercedes W251 helps maintain the proper acoustic and functional parameters of the rear body section. Precise fitment to the door shape minimizes the need for additional modifications, and the black finish enhances the visual coherence of the window area with the rest of the body. Replacing a worn seal with a functional part also contributes to everyday driving comfort – particularly in terms of the window lifting mechanism's operation and protection of the interior from external factors.

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 panels, reinforcements, or additional strips, check the available parts in the Mercedes Doors and Door Panels category.

If you want to better understand the specifics of the used parts market and make informed choices about components like window seals, it is worth reading the article Used Car Parts: Myths and Facts You Need to Know, which clarifies the most important information regarding their practical application.