Mercedes W164 Rear Window Door Quarter Seal Gasket Moulding Left N/S A1647302755

Mercedes W164 Rear Window Door Quarter Seal Gasket Moulding Left N/S is an original body component from the Window seals and mouldings category, designed for installation in the rear left door. The precisely matched profile ensures a tight fit against the glass, reducing noise, vibrations, and water ingress into the vehicle interior.

Specifications and technical data

• SKU: A1647302755-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647302755
• Substitutable numbers: A1647302755, A 164 730 27 55
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal has been designed specifically for the rear door window on the left side of W164 series models, ensuring it maintains factory geometry and the correct alignment with the door frame. It is responsible for stable glass guidance within the channel and for maintaining a proper seal between the glass and the bodywork.

A properly selected rear window seal reduces wind noise at higher speeds, lowers the risk of window fogging, and protects the interior from moisture. This is particularly important in vehicles operated in variable weather conditions, where effective window insulation impacts acoustic comfort and the durability of the upholstery.

Construction and fitment for Mercedes W164

The seal is structurally matched to the shape of the rear left door frame, which facilitates installation and allows for the maintenance of factory assembly clearances. The working profile has been molded to work in conjunction with the window lifting mechanism and other door frame components.

Thanks to the use of the manufacturer's original solution, the seal works with factory mounting points and does not require any interference with the door structure. This allows for the preservation of the visual consistency of the side body line and the proper operation of the window throughout its entire range of motion.

Benefits of using an original seal

Using a dedicated rear window seal in a Mercedes W164 translates into a number of practical benefits:

• maintaining the tightness of the connection between the glass and the door frame in the rear left part of the vehicle,
• limiting the ingress of water and contaminants into the door interior,
• reducing cabin noise through better acoustic insulation,
• proper cooperation with the window lifting mechanism,
• maintaining the aesthetics of the side bodywork thanks to proper fitment.

For the user, this means stable window operation and more comfortable driving conditions, especially during long trips and at higher speeds, where window seal quality has a clear impact on the perceived noise level.

Characteristics of the used component

The offered seal is a used component, which in practice means it comes from vehicle disassembly and retains the manufacturer's original specifications. Such components are frequently chosen for bodywork service when maintaining factory fitment and compatibility with other door elements is a priority.

In the case of window seals, it is important that the working profile is maintained in good condition, which allows for continued use without the need for modifications. A used original component often fits into the existing door structure better than universal-shape replacements.

Complementary Mercedes window seals and mouldings

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

Technical support and service knowledge

When working on the bodywork and components adjacent to the chassis, it is worth paying attention to the general condition of the suspension, which affects the operation of doors and seals during use. Additional information on the diagnostics and maintenance of key components can be found in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers, which helps in better planning service work on the vehicle.