Mercedes-Benz A W168 Rear Left Door N/S Window Sealing Rail Outside A1687350165

Mercedes-Benz A W168 Rear Left Door N/S Window Sealing Rail Outside is a precisely profiled component from the Door upholstery group, designed for the rear left body section. It is responsible for the tight guidance of the door edge, noise reduction, and protection of the interior against moisture and contaminants, ensuring a stable fit to the Mercedes body structure.

Specifications and technical data

• SKU: A1687350165
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687350165
• Substitutable numbers: A1687350165, A 168 735 01 65, EM
• Location on the vehicle: Rear, Left
• Category: Door Panels

Purpose and function in the vehicle

The door sealing rail mounted on the rear left door is responsible for maintaining proper sealing between the door skin and the body. A correctly selected profile limits the ingress of water, dust, and air noise into the cabin, which translates into quieter operation of the door upholstery and stable seating of the finishing elements.

The component has been designed specifically for the Mercedes W168 class structure, thanks to which it maintains the correct geometry in the rear part of the body on the left side. Such a fit promotes even pressure of the door against the frame and helps maintain the consistency of the vehicle's side line.

Technical characteristics and installation

The door sealing rail belongs to the Door upholstery group, which means it works directly with the interior panels and the outer edge of the door. Its design is intended for operation in the rear zone of the vehicle on the left side, taking into account the range of door opening and edge guidance typical for this model.

During installation, it is important to:

• maintain the correct sequence of seating relative to the door upholstery,
• check the adhesion along the entire length of the edge,
• verify that the door closes without excessive resistance, but with noticeable, even pressure.

This approach allows for maintaining stable door operation and reducing the risk of rattles and looseness within the upholstery.

Component condition and service application

The offered door sealing rail is a secondary market component, which makes it an attractive solution for servicing vehicles used on a daily basis. It works particularly well in situations where the existing seal has become worn, deformed, or mechanically damaged, and it is necessary to restore proper sealing in the rear left part of the body.

Using a dedicated component for a specific Mercedes model allows for reducing the risk of mismatch typical of universal replacements. Thanks to this, it is possible to effectively restore the factory door edge guidance and maintain the consistency of the entire door upholstery assembly.

Integration with other door upholstery elements

The seal works with interior panels, mounts, and other finishing elements of the rear left door zone. Proper seating affects:

• reduction of upholstery vibrations when driving on uneven surfaces,
• maintaining an even gap between the door and the body,
• stable edge guidance in the area of the lock and hinges.

A system configured in this way promotes the maintenance of acoustic comfort in the interior and improves the overall impression of using the vehicle, especially in daily urban and suburban operation.

If you are planning a comprehensive repair or upgrade of the rear left door zone in your Mercedes and need other elements from the same group, such as finishing panels, protective strips, or additional seals, check the available parts in the Mercedes door upholstery category.