Mercedes W204 Seal Door Window Front Left N/S Inside Interior Gasket A2047251300

The Mercedes W204 Front Left Door Window Seal is an original part from the door seals category, designed for installation on the front left door. Its carefully designed profile ensures a tight seal against the window, contributing to stable window regulator operation and reducing noise and moisture inside the cabin. This is a practical solution for users looking to professionally restore factory-level protection against wind and water.

Specifications and technical data

• SKU: A2047251300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047251300
• Substitutable numbers: A2047251300, A 204 725 13 00
• Location on the vehicle: Front, Left
• Category: Door Seals

Purpose and Body Fitment

This seal has been specifically designed for the Mercedes C-Class W204 generation and is intended for installation on the front left door. The precisely shaped window channel allows for correct glass positioning within the door frame, minimizing the risk of rattling, looseness, and leaks while driving.

Thanks to its original manufacturer origin, the part maintains proper dimensional tolerances, facilitating installation and ensuring compatibility with original door mountings. This is particularly important for body repairs after collisions or when replacing worn-out components.

Sealing Function and Acoustic Comfort

The primary function of the seal is to effectively channel water away from the window area and prevent moisture from entering the door. The appropriately selected rubber profile and its flexibility contribute to:

• reducing wind noise at higher speeds,
• minimizing window vibrations within the channel,
• protecting the interior of the door from excessive moisture.

A functional window seal leads to more stable power window operation, reduced strain on the mechanism, and a more comfortable acoustic environment inside the cabin, which is especially noticeable during highway driving.

Characteristics of a Used Part

The offered seal is a used part, removed from a vehicle, allowing for a cost-effective repair while maintaining the manufacturer's original specifications. This type of part is a good choice in situations where the existing seal is:

• cracked or excessively hardened,
• no longer providing adequate window pressure,
• causing audible noise or water leaks.

Replacing it with an original used part allows for restoring proper window guidance without the need for aftermarket alternatives with uncertain fitment.

Application in Service and Body Repairs

The front left door window seal is frequently replaced during bodywork and painting, after door or window replacement, and during comprehensive door servicing. This part should be considered in repair plans when:

• increased resistance is encountered when raising or lowering the window,
• friction noises between the glass and the frame are present,
• water marks are visible on the door upholstery or at the bottom of the seals.

A well-chosen seal from the door seals category helps maintain proper operating conditions for door mechanisms and reduces the risk of corrosion to internal structural components.

Other Mercedes Door Seals

If you are also looking for other Mercedes door seals – for example, for other doors or for a complete replacement of all window channels – check out our dedicated category: Mercedes Door Seals. This will allow you to easily select a complete set of sealing components for your car within a single, cohesive specification.

Understanding Used Parts and Repair Quality

If you are interested in the broader context of using aftermarket parts in German car brands, it is worth reading our guide on tuning and repairing Audi vehicles with used components: Audi on Second-Hand Parts – Tuning and Repairs Without Quality Loss. This will help you better assess when choosing used parts is technically justified and economically beneficial.