Mercedes W164 Rear Door Window Triangle Seal Gasket Left N/S A1647302355

Mercedes W164 Rear Door Window Triangle Seal Gasket Left N/S is an original body component from the Car windows category, designed for installation in the rear left area of the vehicle. It ensures a tight fit for the triangular door window, limits the ingress of water and noise into the interior, and helps maintain the stable positioning of the glass. This is a practical solution for users who want to restore the proper functionality and aesthetics of the side body section in their Mercedes.

Specifications and technical data

• SKU: A1647302355
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647302355
• Substitutable numbers: A1647302355, A 164 730 23 55
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function of the seal

The presented triangular seal is dedicated to the rear left body section of Mercedes W164 models, where it is responsible for properly sealing the fixed door window. This component works in direct contact with the glass and the door frame, creating a flexible barrier between the glass and the bodywork.

Thanks to its appropriately profiled geometry and fit for the specific body generation, the seal helps to:

• limit air drafts in the area of the rear door window,
• reduce the penetration of water and moisture into the interior,
• maintain a stable fit of the triangular window in the door frame,
• preserve a consistent look of the side body line.

Original Mercedes fitment

As a component designed for a specific Mercedes model, the rear window triangular seal has been engineered to work with the factory door frame and original glass. The reproduction of the shape and contact points allows for installation without the need for modifications or forced fitting.

Its original origin translates into:

• consistency with the factory body line,
• proper adhesion to the glass and door metal,
• maintenance of the seal integrity in the rear cabin area as designed by the manufacturer.

Characteristics of the used component

The seal comes from dismantling, making it a reasonable choice for drivers looking for original components at a more favorable price. A used OEM component is often a better alternative than a replacement with uncertain fitment, especially in the case of body details responsible for sealing and acoustic comfort.

Choosing this solution allows you to maintain the factory character of the vehicle while optimizing the costs of repairing or renovating the rear left door.

Benefits of installation in the rear left area of the vehicle

A properly selected and installed rear left window triangular seal affects the daily comfort of using the car. Adequate sealing of this part of the door helps reduce wind noise and minimizes the risk of moisture appearing in the area of the upholstery and trim elements.

The main advantages of installation include:

• more stable operating conditions for the window in the door frame,
• better protection of the interior against external factors,
• maintaining the aesthetic appearance of the side body section,
• preserving the functionality of the rear passenger zone as designed by the manufacturer.

Related components and additional information

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

When selecting used body components, it is worth following proven sources and knowledge about the most frequently chosen solutions. Our guide describing popular components from dismantling for various models may be helpful – you can find it here: The best used car parts – a guide to the most frequently chosen original parts.

If you are also interested in the ecological and economic aspect of using components from dismantling, you can find additional information on this topic in the article: Circular economy in your garage – how choosing used parts from dismantling supports the environment.