Mercedes W164 Rear Door Window Quarter Seal Moulding Right O/S A1647302855

Mercedes W164 Rear Door Window Quarter Seal Moulding Right O/S is an original body component from the Window seals and mouldings category, designed for installation in the rear right section of the vehicle. It ensures a tight fit for the quarter window, limiting the ingress of water, noise, and contaminants into the cabin. This is a practical solution for users and workshops looking to restore proper insulation in W164 series models.

Specifications and technical data

• SKU: A1647302855-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1647302855
• Substitutable numbers: A1647302855, A 164 730 28 55
• Location on the vehicle: Rear, Right
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal is dedicated to the rear right part of the body, in the area of the quarter window. It is responsible for the stable guidance of the glass and maintaining proper sealing between the window and the door frame. Thanks to its specific profile and fit to the body structure, it reduces wind noise while driving and helps maintain acoustic comfort inside the vehicle.

An element of this type is particularly important in vehicles operated in variable weather conditions, where frequent rainfall, temperature fluctuations, and UV radiation can weaken the elasticity of rubber components over time. Replacing a worn seal with an original component from the same series allows for the restoration of the factory level of sealing without the need for modifications to the door structure.

Benefits of using an original seal

Using a seal matched to a specific body generation translates into a number of practical advantages:

• Better protection against moisture – reducing the risk of water entering the door interior and the cabin.
• Stable seating of the quarter window, which reduces the likelihood of unwanted vibrations and rattles while driving.
• Maintaining proper acoustic insulation in the rear part of the vehicle.
• Aesthetic finish of the window edge and door frame, consistent with other body elements.

For workshops and service centers dealing with body repairs, this means the ability to perform the service in a repeatable and predictable manner, without the need to adapt universal rubber profiles. For the end user, this translates into more stable and comfortable vehicle operation after the repair.

Installation characteristics

The rear right quarter window seal is designed for installation in a specific location on the body, which facilitates correct placement on the door frame. In practice, this translates into:

• the ability to recreate the factory sealing line path,
• reducing the risk of leaks resulting from improper cutting or fitting,
• visual consistency with other sealing elements in the vehicle.

When replacing, it is recommended to thoroughly clean the contact surface and check the condition of the door frame and the glass itself. A properly installed seal works with existing window hardware, which is especially important in vehicles that have been in operation for many years.

Application in Mercedes vehicles

The element is intended for Mercedes vehicles of the W164 series, where the rear right quarter window requires the restoration of proper sealing. Using a component from the same design group allows for maintaining compliance with the manufacturer's factory specifications regarding window guidance and protection against external factors.

If you are planning a comprehensive repair or modernization of the side glazing area in your Mercedes and need other elements from the same group, such as trim strips, additional sealing profiles, or window guide seals, check the available parts in the Mercedes window seals and mouldings category.

Practical tips when buying a used seal

When choosing a used sealing element, it is worth paying attention to the condition of the working surface, the elasticity of the material, and the absence of serious mechanical damage. It is also good practice to compare the shape and profile path with the currently installed seal, which facilitates the assessment of compatibility before installation.

If you want to organize the process of selecting body and window components for your car and learn proven methods for verifying used parts, a guide dedicated to purchasing second-hand parts may be helpful. You can find more practical tips in the article Safe purchase of used car parts online – a step-by-step guide.