Mercedes S204 Seal Window Rear Left N/S Door Sealing Frame Strip A2047350371

The Mercedes S204 Rear Left Door Window Seal Strip is a precisely fitted body component responsible for the sealing and stable guidance of the window in the rear left door. The correct geometry and profile of the seal help to reduce noise, vibrations, and water ingress into the interior, contributing to enhanced acoustic comfort and the aesthetics of the vehicle's side body area. This solution is dedicated to Mercedes vehicles, designed to maintain the original operating parameters of the window mechanism.

Specifications and technical data

• SKU: A2047350371
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047350371
• Substitutable numbers: A2047350371, A 204 735 03 71
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and Function of the Component

The rear left door window seal strip plays a crucial role in guiding and sealing the window in the rear door on the driver's side. Its placement on the vehicle in the Rear, Left zone means the element works with the window lifting mechanism, stabilizing its movement and reducing lateral play.

Thanks to its precisely profiled working edge, the seal:

• creates a barrier against rainwater and external contaminants,
• reduces wind noise at higher speeds,
• supports the even adhesion of the window to the door frame,
• helps maintain the correct geometry of the glazed body section.

Compatibility and Fit for Mercedes S204

The Mercedes S204 Rear Left Door Window Seal Strip is designed as a component structurally compatible with the original solution used in the S204 series estate body. This means maintaining the correct bending radius, working length, and contact points with the door frame and window, which facilitates installation and avoids non-original modifications.

Original origin from the Door Seals group ensures:

• visual consistency with other finishing elements of the vehicle's side body,
• compatibility with original guides and trim strips,
• maintenance of the window's adhesion line as designed by the manufacturer.

Performance Characteristics and Installation Benefits

As a component from the Door Seals category, the strip operates under demanding conditions – it is exposed to temperature changes, UV radiation, and contact with water and road chemicals. Using a dedicated seal instead of universal replacements allows for stable performance parameters over a longer period.

The main benefits of using this strip include:

• more predictable window movement in the guide,
• reduced risk of scratching the window edges when raising and lowering,
• improved sealing at the contact point between the window and the door frame,
• maintenance of the original character of the Mercedes vehicle's side body finish.

The product is offered in Used condition, meaning it comes from disassembly and can be a cost-effective solution while maintaining compliance with the original vehicle specification.

Professional Application in Service and Body Repairs

The rear left door window seal strip is suitable for both replacing a damaged seal and for more extensive bodywork and painting operations on the rear left door. This is particularly important after accident repairs, when restoring the correct fit of the window and door is necessary to avoid leaks and unwanted noises during driving.

In service practice, using an original strip allows for:

• minimizing the time required to fit the component to the door frame,
• achieving a repeatable installation result consistent with factory specifications,
• reducing complaints related to wind noise or water leaks.

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other parts from the same group, such as additional sealing strips, perimeter seals, or window frame seals, check the available parts in the Mercedes Door Seals category.

For a better understanding of how body sealing and the proper functioning of associated components affect engine durability and driving comfort, it is worth reading the article describing the relationship between engine operating temperature and component condition – you can find it here: Engine Cooling System – Overheating, Repair, and Used Radiators.