Door Seal Mercedes W203 Touring Rear Right O/S Edge Protection A2037300478

BMW X3 F25 Door Seal Right Left Rear 7300249 is a precisely profiled, black seal from the Door Seals group, designed for installation in the rear part of the body. The element has been designed to effectively reduce noise, improve cabin sealing, and ensure stable door operation in daily use. Thanks to its factory-matched fit for a specific position on the vehicle, it ensures predictable performance and user comfort.

Specifications and technical data

• SKU: A2037300478
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2037300478
• Substitutable numbers: A2037300478, A 203 730 04 78, KD
• Location on the vehicle: Rear, Right
• Color: Black
• Category: Door Seals

Purpose and Function of the Door Seal

The presented seal is intended for installation in the rear zone of the body on the right side, where it is responsible for a tight door closure and stable wing guidance relative to the body. The seal's construction has been developed to limit the penetration of water, dust, and external noise into the vehicle's interior, which translates to higher acoustic comfort and better upholstery protection.

The black color of the seal is visually neutral and consistent with the factory finish of most car bodies, making the element discreet after installation while maintaining the aesthetic appearance of the door edges.

Compatibility and Mounting Fit

The seal has been designed as a dedicated element for a specific location on the vehicle, which facilitates installation and minimizes the risk of leaks due to profile mismatch. The appropriately selected cross-sectional geometry allows for proper adhesion to the door frame and body, as well as maintaining the correct closing force.

By using solutions compliant with factory standards, the seal works with existing hinges, locks, and side windows, without requiring modifications to the door structure. This is a practical solution for replacing worn or leaky components in vehicles used daily.

Material Characteristics and User Benefits

The flexible construction of the seal allows for compensation of minor body deformations and mounting tolerances, which is particularly important in vehicles operated in varied road conditions. The appropriately selected material hardness contributes to maintaining a seal while preserving a comfortable door closing force.

Using dedicated elements from the Door Seals category helps to reduce phenomena such as air whistling at higher speeds, drafts around the door edges, or localized dampness of the upholstery. This is particularly important in vehicles where maintaining an appropriate level of acoustic and thermal comfort is crucial.

Application in Mercedes Vehicles

The product comes from the Mercedes brand, which means it has been developed in accordance with the rigorous quality standards typical for this manufacturer. In practice, this translates to dimensional repeatability, shape stability, and predictable seal performance over a longer period of use.

When replacing sealing elements in vehicles of this brand, it is advisable to use components with parameters consistent with factory specifications to maintain the original body properties in terms of sealing, acoustics, and driving comfort.

Item Condition and Benefits of Use

The seal is offered as a used item, which represents a reasonable compromise between cost and functionality, especially for routine repairs and restoring sealing in older vehicle models. A properly selected and functional door seal can reduce the risk of window fogging, interior dampness, and accelerated corrosion in the sill and lower door edge areas.

Replacing a worn seal with a functional element of this type is a simple way to improve daily driving comfort without the need for modifications to the vehicle's body structure or mechanical systems.

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