Mercedes A-Class W168 Rear Right Door O/S Window Guide Seal Gasket A1687350625

The MERCEDES W168 Rear Right Door Window Seal is an original body part from the Door Upholstery group, designed for the rear right body zone. The precisely shaped sealing profile ensures stable window guidance and limits the ingress of water and noise into the cabin, resulting in a quieter, more comfortable vehicle operation.

Specifications and technical data

• SKU: A1687350625
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1687350625
• Substitutable numbers: A1687350625, A 1687350625, A 168 735 06 25, ASZ
• Location on the vehicle: Rear, Right
• Category: Door Panels

Purpose and Function of the Window Seal

The presented seal is dedicated to the rear right door window in Mercedes W168 series models. The element works in direct contact with the window, responsible for:

• guiding the window in the correct track during raising and lowering,
• limiting the penetration of rainwater into the door interior,
• reducing wind noise at higher speeds,
• protecting the window edges from excessive mechanical wear.

Thanks to its precise fit for the W168 body, the seal works with the factory window regulator mechanism and door frame construction, facilitating installation and subsequent adjustment.

Why Choose an OEM Mercedes Part

The rear right door window seal comes from the line of original Mercedes components, meaning it retains factory geometry, appropriate rubber compound hardness, and compatibility with other door elements. In practice, this translates to:

• secure fit with the door frame without the need for modifications,
• stable window operation throughout its entire range of motion,
• maintaining proper pressure against the window and body,
• easier diagnosis of potential leaks in the future.

Choosing an original component is particularly important for sealing elements, where even minor dimensional deviations can lead to leaks or increased cabin noise.

Characteristics of a Used Part

The offered rear right door window seal is a used part, sourced from disassembly. This type of component, when in good condition, allows for economical repair without compromising original quality. A used OEM seal retains its factory shape and mounting method, making it easy to install in place of a worn or damaged part.

This solution is particularly beneficial for operational repairs when you want to maintain the structural integrity of the door and preserve the original finish characteristic of the Mercedes brand.

Benefits of a Properly Selected Window Seal

Replacing a worn seal with a correctly chosen OEM part affects several key aspects of vehicle use:

• reducing window fogging due to improved door zone sealing,
• lowering the risk of corrosion inside the door through controlled water drainage,
• improving acoustic comfort inside the cabin,
• maintaining the aesthetics of the vehicle's side profile without protruding rubber elements.

This approach is especially important for vehicles used daily, where sealing and proper window guidance directly impact the comfort of the driver and passengers.

Mercedes Door Upholstery – Expansion and Modernization

If you are planning a comprehensive repair or modernization of the door area in your Mercedes and need other parts from the same group, such as upholstery panels, trim strips, or additional seals, check the available parts in the Mercedes Door Upholstery category.

If you are also interested in selecting used original parts for other vehicle systems, you will find practical tips in the article Noisy differential? Find out why a used OEM drive axle is a better investment than an uncertain aftermarket replacement, which highlights the advantages of using OEM components in terms of durability and repair cost-effectiveness.