Mercedes-Benz A W168 Rear Left Door N/S Window Outside Sealing Rail Seal Gasket

Mercedes-Benz A W168 Rear Left Door N/S Window Outside Sealing Rail Seal Gasket is a precisely fitted component from the Door Upholstery category, designed for installation on the rear left side. It ensures a tight window guide, reduces wind noise, and protects the interior of the door from moisture, supporting the proper operation of the window lifting mechanism.

Specifications and technical data

• SKU: A1687350965
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687350965
• Substitutable numbers: A1687350965, A 168 735 09 65, EM
• Location on the vehicle: Rear, Left
• Category: Door Panels

Purpose and function in the rear left door

The described external window seal is dedicated to the rear left body area of the Mercedes A-Class W168 generation. Mounted on the edge of the door panel, it creates a barrier between the glass and the bodywork, which:

• limits the ingress of water and contaminants into the door interior,
• stabilizes the glass in the guide during raising and lowering,
• reduces the risk of fogging and dampness of upholstery elements,
• improves the acoustic comfort of the passenger cabin.

Thanks to its proper profile and fitment for the specific model, this component supports correct window operation geometry and helps maintain the aesthetic appearance of the vehicle's side line.

Construction and fitment for Mercedes-Benz A W168

The rear left external window seal has been designed specifically for the door structure of the Mercedes A-Class W168. The properly profiled working edge interacts with the glass pane, and the mounting part is matched to the door sheet metal stampings.

Such a solution ensures:

• stable seating on the door edge without the need for modifications,
• consistent connection with other door upholstery elements,
• preservation of the factory contact line between the glass and the panel.

Thanks to this, the installation can be carried out in an orderly manner, maintaining the original character of the finish of the side part of the body.

Condition, application, and benefits of replacement

The item comes from dismantling and is offered as a used part, which allows for an economical repair while maintaining compliance with factory specifications. Replacing the seal is particularly recommended when the existing element shows:

• cracks, abrasions, or deformations,
• leaks resulting in moisture appearing on the upholstery,
• excessive noise in the window area while driving.

Selecting the right component for the rear left side of the vehicle allows you to restore the functionality and tightness of the door zone without interfering with the body structure.

How to select the right element by OEM number

When selecting an external window seal for a Mercedes A-Class W168, it is crucial to compare the OEM number and the placement on the vehicle (rear, left side). In case of doubt, it is worth using practical tips on verification by part number and VIN number, described in the guide: how to choose the right car part by VIN and OEM number. This reduces the risk of purchasing an incompatible element and speeds up the repair process.

Related items from the same group

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as sealing strips, edge trims, or additional soundproofing elements, check the available parts in the Mercedes Door Upholstery category.