Mercedes W205 Front Window Frame Door Right O/S Moulding Gasket A2057254600

Mercedes W205 Front Window Frame Door Right O/S Moulding Gasket is an original body component from the Door seals group, designed for installation on the front right door. The precisely fitted sealing profile helps reduce noise, improves acoustic comfort, and supports the protection of the interior against moisture and contaminants.

Specifications and technical data

• SKU: A2057254600-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2057254600
• Substitutable numbers: A2057254600, A 205 725 46 00
• Location on the vehicle: Front, Right
• Category: Door Seals

Purpose and function of the seal

The presented sealing moulding is designed for installation in the front right door area, along the window edge. It is responsible for the stable guidance of the window in the channel and for tightly sealing the space between the glass and the door frame. As a result, it limits air drafts, reduces noise at higher speeds, and helps maintain proper thermal insulation of the cabin.

An element of this type is particularly important in premium class vehicles, where higher driving comfort and a consistent finish of the door area are expected. A properly selected seal also helps reduce the risk of window fogging and water ingress into the door interior, which is significant for the durability of the window lifting mechanisms.

Construction and fitment for Mercedes W205

The seal has been developed specifically for the door construction in W205 series models, taking into account the frame geometry, window shape, and factory mounting points. The properly profiled working edge ensures even pressure along the entire length, which translates into stable window operation during opening and closing.

The original origin from the Mercedes brand means maintaining factory dimensional tolerances, which facilitates installation and minimizes the need for additional adjustments. For workshops and service centers, this is important from the point of view of repair repeatability, and for the user – from the point of view of durability and predictable behavior of the component during operation.

Condition, origin, and service application

The product is offered as a used part, which allows for an economical replacement of a damaged or worn seal while maintaining the manufacturer's original specifications. This type of solution is often chosen for accident repairs, door replacements, or when removing the effects of long-term use, when the factory seal loses its elasticity or suffers mechanical damage.

Thanks to the preservation of the factory shape and mounting points, the element can be used both in professional body and paint shops and in independent workshops that carry out body repairs on Mercedes C-Class W205 generation vehicles.

Benefits of replacing the window moulding seal

• Improvement of acoustic comfort in the cabin by reducing wind noise in the area of the front right door.
• Better protection against the ingress of water and contaminants into the door interior and the passenger cabin.
• More stable window guidance in the channel, which promotes smooth operation of the lifting mechanism.
• Restoration of the factory appearance and fit of the window edge with the door frame after body repairs.

Replacing a worn seal with an original element dedicated to the W205 allows for limiting secondary problems, such as unwanted rattling, window play, or local leaks, which often appear when using mismatched components.

Integration with other Mercedes door seals

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional sealing strips, perimeter seals, or window guide elements, check the available parts in the Mercedes door seals category.

Summary

Mercedes W205 Front Window Frame Door Right O/S Moulding Gasket is a practical service solution for users and workshops that want to restore proper sealing and window operation culture on the passenger side. The original fit to the W205 door construction, the possibility of economical replacement based on a used part, and a clear improvement in driving comfort make it a reasonable choice for body repairs in Mercedes vehicles of this generation.