Mercedes W251 Window Seal Rear Right O/S Sealing Gasket Frame A2516701839

Mercedes W251 Window Seal Rear Right O/S Sealing Gasket Frame is an original body component from the Window seals and trims category, designed for installation on the right side of the rear part of the vehicle. It ensures a tight fit for the window, limits the ingress of water and noise into the interior, and helps maintain a stable position of the window relative to the body frame. This is a practical solution for users who want to restore factory sealing parameters in their Mercedes.

Specifications and technical data

• SKU: A2516701839
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2516701839
• Substitutable numbers: A2516701839, A 251 670 18 39
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and function in the bodywork

The presented seal is designed for installation in the rear right part of the vehicle, in the window frame area. Its tasks include:

• sealing the contact point between the window and the body frame,
• limiting the ingress of water, dust, and air,
• reducing wind noise and vibrations in the rear window area,
• stabilizing the window position relative to the body structure.

Thanks to its fit for the specific Mercedes W251 generation, the seal works with the factory frame geometry, which helps maintain proper sealing and the aesthetics of the connection between the window and the body.

Original origin and fitment

As a Mercedes brand component, the Mercedes W251 Window Seal Rear Right O/S Sealing Gasket Frame has been manufactured in accordance with the vehicle manufacturer's requirements. This means:

• maintaining the correct profile and shape adapted to the window frame,
• compatibility with factory mounting points,
• visual consistency with other body trim elements.

The original design facilitates installation and helps reduce the risk of leaks that may occur when using components not intended by the manufacturer.

Characteristics of the used part

The seal is offered as a used part, which allows for an economical repair while maintaining the original specification. Such elements are particularly useful for:

• local repairs after window removal,
• eliminating the effects of leaks in the rear part of the body,
• restoring proper window adhesion after previous bodywork and paint interventions.

Choosing an original, used seal allows you to maintain compliance with the factory design and avoid fitment problems typical of universal profile replacements.

Benefits of using the correct seal

A properly selected rear right window frame seal affects several important aspects of vehicle operation:

• it limits the risk of moisture in the trunk area and the rear part of the cabin,
• it helps maintain acoustic comfort inside the vehicle,
• it supports the maintenance of proper rigidity of the window-to-body connection,
• it allows for maintaining an aesthetic line of the window's adhesion to the body.

For users who pay attention to the condition of the bodywork and driving comfort, using the correct seal is a simple way to improve daily vehicle operation.

Related components and additional information

If you are planning a comprehensive repair or upgrade of the window and glazing zone in your Mercedes and need other elements from the same group, such as additional frame seals, trim strips, or guide seals, check the available parts in the Mercedes window seals and trims category.

When working on the rear part of the body, replacing seals is often combined with servicing systems responsible for comfort inside the vehicle. If you want to better plan the selection of components and the service schedule, the guide article Air conditioning and heating – part selection and maintenance for year-round comfort, which discusses a practical approach to used OEM components and their operation, may be helpful.