Mercedes Vito W447 Sealing Gasket Rear Left Right N/O/S Vent Window A4476712020

Mercedes Vito W447 Sealing Gasket Rear Left Right N/O/S Vent Window is an original body component from the Window seals and trims group, designed for installation in the rear part of the vehicle. It ensures a tight fit for the rear window on either the left or right side, which translates into stable bodywork performance, interior protection against moisture, and noise reduction. This is a solution for users who want to maintain the factory fit and technical consistency of their Mercedes.

Specifications and technical data

• SKU: A4476712020
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4476712020
• Substitutable numbers: A4476712020, A 447 671 20 20
• Location on the vehicle: Rear, Right, Left
• Category: Window Seals, Gaskets & Trims

Purpose and vehicle placement

The gasket has been designed specifically for the rear window in the Mercedes Vito W447, with the option of installation on both the left and right sides. Its placement in the rear zone of the body means that the component operates under demanding conditions – it is exposed to temperature changes, water, dirt, and stresses resulting from bodywork operation. The proper fit of the gasket's shape and cross-section allows for stable window seating and the maintenance of the correct window opening geometry.

Technical function of the rear window gasket

The key task of this component is to ensure the tightness of the connection between the window and the body. A properly selected gasket:

• limits the penetration of water and moisture into the cargo or passenger space,
• reduces air noise and vibrations in the rear part of the vehicle,
• supports stable window seating, which is important for safety and body rigidity,
• minimizes the risk of corrosion around the edges of the window opening.

Thanks to its factory origin, the gasket works with the original window and window frame structure, which facilitates installation and reduces the need for additional adjustments.

Original origin and fit for Mercedes

The product comes from the Mercedes brand, which means maintaining the vehicle manufacturer's quality standards. The original rear window gasket is designed taking into account specific dimensions, bending radii, and mounting methods in the Vito W447 model. Thanks to this:

• it fits factory mounting points without modifications,
• it maintains the correct body line and aesthetics of the rear part of the vehicle,
• it is compatible with original windows and interior trim elements.

Such a fit is particularly important in commercial vehicles, where the tightness and durability of the rear zone affect the protection of transported cargo and the comfort of daily operation.

Characteristics of the used component

The rear window gasket is offered in a used condition, which allows for an economical replacement of the component while maintaining the manufacturer's original specifications. For workshops and fleet users, this means the possibility of quick repair without the need for long waiting times for a new part. A used OEM component is particularly beneficial in situations where the time to return the vehicle to service and compliance with the factory design are important.

If you want to better understand how the use of used OEM parts affects vehicle downtime in the service center and repair costs, it is worth reading the article: Availability of car parts off the shelf vs. repair time – how do used OEMs shorten the stay in the workshop?.

Application in service practice

Replacing the rear window gasket in a Mercedes Vito W447 is a typical operation during:

• disassembly and reassembly of the window after body and paint repairs,
• detection of leaks, seepage, or excessive noise in the rear part of the body,
• mechanical damage to the gasket (cracks, deformations, material wear).

Selecting an original gasket with the correct placement on the vehicle (rear, left or right side) facilitates service work and reduces the risk of fitment problems. This is especially important in vehicles used intensively, where repeatability and predictability of the repair effect are what count.

If you are planning a comprehensive repair or modernization of the rear window zone in your Mercedes and need other elements from the same group, such as additional gaskets, trim strips, or elements adjacent to the windows, check the available parts in the Mercedes window seals and trims category.