Mercedes C292 Door Seal Window Rear Left N/S Guide Frame A2927350125

Mercedes C292 Door Seal Window Rear Left N/S Guide Frame is a precisely fitted body component designed for the rear left door window in Mercedes vehicles. It is responsible for guiding the window tightly, reducing noise, and protecting the interior from moisture and contaminants, ensuring the stable operation of the window lifting mechanism.

Specifications and technical data

• SKU: A2927350125
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2927350125
• Substitutable numbers: A2927350125, A 292 735 01 25
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the window seal

The rear left door window seal in C292 series models operates in a demanding area of the bodywork, where components are exposed to constant temperature changes, vibrations, and contact with water and dirt. A properly selected rubber seal limits air drafts, reduces noise at higher speeds, and stabilizes the window in the guides, which translates into acoustic comfort and proper door closing.

Thanks to its factory profile and geometry, the seal works with the door frame and window in a predictable manner, without the need for additional modifications. This is particularly important in premium class vehicles, where body panel fitment has a direct impact on the perceived driving quality.

Construction and body fitment

The element is made of flexible rubber with a properly selected hardness, which allows for the correct pressure of the window against the door frame while maintaining the smooth operation of the lifting mechanism. The seal profile has been designed for the specific C292 body line, ensuring the continuity of the contact surface along the entire perimeter of the window.

The placement on the vehicle as rear – left side allows for unambiguous identification of the installation and minimizes the risk of errors when selecting parts. The appropriate shaping of the mounting edges facilitates seating in the door slot, and the proper structural rigidity promotes stable adhesion to the metal without the need for additional sealing materials.

Benefits of using an original seal

Using a seal dedicated to the C292 allows for maintaining factory sealing and cabin acoustic parameters. The proper adhesion of the rubber to the window and door frame reduces the risk of air whistles, water leaks during rain, and unwanted window vibrations on uneven surfaces. This is particularly important in vehicles used on a daily basis, where stable operation of the window mechanism affects the durability of the entire lifting system.

The seal from the Window seals and moldings group is a wear item that can degrade, harden, or deform over time. Replacing it with a properly fitted component restores the original door operating parameters, improves user comfort, and reduces the risk of corrosion around the window edge and door frame.

Component condition and service application

The offered component is in used condition, which allows for an economical repair of the rear left door zone while maintaining proper fitment to the body. It is a practical solution in situations where the existing seal has been mechanically damaged, deformed, or has lost its elasticity due to years of operation.

The rear left door window seal will work well both for standard service replacement and for post-accident repairs, where it is necessary to restore the original geometry and tightness of the door. Correct installation in the dedicated location on the vehicle allows for maintaining the body line and proper window guidance throughout its entire range of motion.

Repair expansion and additional information

If you are planning a comprehensive repair or upgrade of the door glazing zone in your Mercedes and need other elements from the same group, such as additional window seals, trim moldings, or guides, check the available parts in the Mercedes Window seals and moldings category.

For larger body service works and associated systems, it is also worth checking out practical tips regarding the selection of used drivetrain components and accessories – you can find helpful information in the article Used gearbox – when is it worth it and what you need to remember, which discusses key aspects of compatibility and the cost-effectiveness of using aftermarket parts.