Mercedes-Benz M ML W163 Rear Left Ventilator Window Sealing Frame A1636701139

Mercedes-Benz M ML W163 Rear Left Ventilator Window Sealing Frame is a precisely profiled body component designed for the rear left window of the W163 M-Class series. It is responsible for the tight seating of the window, noise reduction, and protection of the interior against water and contaminants, while ensuring stable window guidance within the door frame. Thanks to a design compliant with factory Mercedes standards, the seal allows for maintaining the proper geometry and aesthetics of the side body section.

Specifications and technical data

• SKU: A1636701139
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1636701139
• Substitutable numbers: A1636701139, A 163 670 11 39, EM
• Location on the vehicle: Rear, Left
• Category: Car Glass

Purpose and function in the bodywork

The rear left window seal in the Mercedes M-Class W163 operates in a demanding area of the bodywork where the door panel, glass, and upholstery elements meet. Its task is to:

• seal the contact point between the window and the door frame in the rear left part of the vehicle,
• limit the ingress of water, dust, and road salt into the door interior,
• reduce wind noise at higher speeds,
• stabilize the window during opening and closing.

A properly selected seal in this area contributes to cabin acoustic comfort and the durability of the window lifting mechanism, reducing the risk of jamming and uneven wear of the guides.

Compatibility and fit for the Mercedes M ML W163

The presented seal has been designed specifically for the rear left window in the W163 generation Mercedes M-Class. This means that its shape, cross-section, and length are adapted to the factory door frame, which translates into:

• secure seating in the original mounting points,
• proper adhesion to the edges of the glass and metal,
• maintenance of body lines consistent with the manufacturer's design.

As a result, installation can be carried out in an orderly manner, without the need for modifications or the use of additional spacers.

Characteristics of the used component

The seal comes from the secondary market, which is a beneficial solution for users looking for factory components at a reasonable price. The used element allows for maintaining the original material specifications and shape typical of original equipment parts, while simultaneously reducing the costs of repairing or refurbishing the rear doors.

In the case of window seals, the use of secondary market parts is particularly popular for post-accident repairs, replacing corroded doors, or restoring the full functionality of the window lifting mechanism after its service.

Benefits of using an original window seal

Using a dedicated rear left window seal in the Mercedes M W163 allows you to:

• maintain body tightness in the rear passenger cabin area,
• limit window fogging due to better moisture insulation,
• reduce wind noise and minor window vibrations,
• protect the interior of the door against accelerated corrosion.

For users who care about the technical and visual condition of their vehicle, this is a practical way to restore the factory properties of the side body zone without the need to invest in a new element.

Mercedes car windows – expansion and modernization

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

How to buy used body parts wisely

When choosing a used window seal, it is worth paying attention to the condition of the working edges, material flexibility, and the overall geometry of the profile. A well-chosen component helps avoid problems with door closing, leaks, and excessive noise while driving. If you want to better plan your service budget and understand when used body parts are a cost-effective choice, read the article Rising repair costs and the boom in used parts – how to save on car service?, where you will find practical tips on purchasing parts from the secondary market.