Mercedes W251 Front Door Right O/S Window Frame Trim Black A2517250271

The Mercedes W251 Window Frame Strip Left Front R-Class is an original body part from the Cladding, decorative strips and decorations group, designed for installation in the front door of the vehicle. The black window frame ensures a cohesive look for the side of the body, while also assisting in precise window guidance and door sealing. This is a practical solution for users who want to restore the factory appearance and functionality of the door area in their R-Class.

Specifications and technical data

• SKU: A2517250271
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2517250271
• Substitutable numbers: A2517250271, A 251 725 02 71
• Location on the vehicle: Front, Right
• Color: Black
• Category: Trim

Purpose and Fitment

The window frame strip has been specifically designed for Mercedes R-Class W251 models, intended for installation in the front door on the appropriate side of the vehicle. Correct placement on the vehicle guarantees proper alignment with the door structure, seals, and the window, which translates to stable window operation during opening and closing.

As an original Mercedes part, the frame maintains the correct geometry and shape, making it easy to install in place of the factory part without the need for modifications. This makes it suitable for both replacing a damaged strip and for post-accident repairs of the vehicle's side body.

Body Color Scheme and Aesthetics

The black color of the strip allows for discreet integration into the vehicle's side profile, regardless of the body paint color. This finish choice promotes a cohesive, understated appearance while also highlighting the distinctive window line of the R-Class.

The window frame serves not only a functional purpose but also a visual one – it helps to mask the edges of the window and seals, improving the overall appearance of the door area. This is particularly important during vehicle restoration, where attention to detail impacts the final result of bodywork and paint jobs.

Protective and Operational Function

The window frame strip helps protect the window edges and adjacent seals from minor mechanical damage and external factors. A correctly installed part helps to limit the ingress of dirt and moisture into the window guide area, promoting smooth operation of the lifting mechanism.

By maintaining the frame's factory shape, the window moves within the path intended by the manufacturer, reducing the risk of jamming, excessive play, or accelerated wear of the seals. This is a practical solution for users who want to maintain acoustic comfort and proper cabin sealing.

Characteristics of a Used Part

The offered window frame strip is a used part, sourced from disassembly, allowing for a favorable purchase price while maintaining the original manufacturer's specifications. This type of part is particularly attractive for operational repairs and for restoring the vehicle's factory appearance without the need to resort to aftermarket replacements with uncertain fitment.

Choosing an original, used window frame is a good solution wherever compliance with the door structure, proper alignment with other cladding, and maintaining a uniform stylistic line of the vehicle's side body are important.

Complementary Mercedes Cladding, Decorative Strips and Decorations

If you are planning a comprehensive repair or modernization of the door and side window area in your Mercedes and need other parts from the same group, such as additional strips around the windows, decorative door cladding, or complementary frames, check the available parts in the Mercedes Cladding, decorative strips and decorations category.

To better plan service work on your vehicle, including selecting body parts in conjunction with powertrain components, a guide on diagnosing and selecting clutch and dual-mass flywheel components may be helpful – you can find it in the article Clutch and Dual-Mass Flywheel – Diagnostics and Part Selection for the Powertrain.