Mercedes W251 Rail Rear Left N/S Interior Door Sill Trim Cover A2516906980

The Mercedes W251 Rear Left Door Seal Strip is a precisely fitted body part from the Doors and Door Panels group, designed for installation on the rear left side of the vehicle. It ensures effective water drainage from the window edge and stable sealing of the door area, contributing to smoother operation and reduced corrosion risk. This solution is particularly useful for professional repair or reconstruction of the side body section in Mercedes W251 models.

Specifications and technical data

• SKU: A2516906980
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516906980
• Substitutable numbers: A2516906980, A 251 690 69 80
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and Function of the Seal Strip

The described door seal strip is designed to operate in the area of the rear left door window. Its functions include:

• mechanically scraping water and dirt from the window surface as it moves up and down,
• limiting moisture ingress into the door interior,
• assisting in protection against noise and vibrations in the area where the window meets the body.

Thanks to its proper profile, the strip helps maintain stable operation of the window lifting mechanism and supports the preservation of the factory-set geometry of door component fit.

Compatibility and Body Fitment

This part is intended for installation on the rear left side of the body, allowing for precise fitting to the door shape characteristic of the W251 series. Its appropriate contouring and factory geometry facilitate installation in place of the original strip, without the need for structural modifications. This solution is particularly important for:

• post-accident repairs in the side body area,
• addressing leaks around the rear door window,
• restoring proper window guidance after replacing the lifting mechanism.

Using a component from the same construction group as the factory-fitted Mercedes equipment helps maintain visual and technical consistency of the entire door area.

Performance Characteristics and Installation Benefits

The seal strip, as a component working at the interface between the window and the body, is exposed to intense environmental factors. Replacing a worn or damaged strip with a functional component allows for:

• reducing the risk of water streaks appearing on the lower part of the door,
• limiting the ingress of small debris into the interior structure,
• improving the smoothness of window operation and its guidance in the tracks.

Stable sealing of the window edge is important for both acoustic comfort and the durability of the mechanisms located inside the door. A properly selected strip also helps maintain the aesthetic appearance of the vehicle's side profile, without undesirable gaps or deformations.

Component Condition and Service Application

The offered seal strip comes from a Mercedes vehicle and is intended for reinstallation as a replacement part. It can be used in professional body and paint shops as well as workshops specializing in the servicing of this brand's bodies. For ease of selection, it can be identified by its OEM part number and interchangeable numbers, allowing for precise matching to the specific configuration of the rear left door.

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 seals, check the available parts in the Mercedes Doors and Door Panels category.

Technical Support and Part Selection

When selecting body parts for a Mercedes, it is crucial to pay attention to their placement on the vehicle and compatibility with the specific body version. If you have any doubts regarding the interpretation of markings, installation methods, or integration with other door components, it is advisable to consult reliable guide materials. Practical tips on working with used components, identification by numbers, and compatibility verification can be found in the article Used Automotive Electronics Onboard – Why Choose Second-Hand ECUs and Sensors?, which covers universal issues related to the selection and installation of aftermarket parts.