Mercedes S W220 Front Rear Left Door N/S Seal Gasket Weatherstrip A2206903798

The Mercedes S W220 Rear Left Door Seal is an original part from the Door Upholstery group, designed for precise sealing of the door area in Mercedes vehicles. Thanks to its factory geometry and body fit, it ensures stable door operation and limits moisture and noise ingress into the interior, improving vehicle comfort.

Specifications and technical data

• SKU: A2206903798
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2206903798
• Substitutable numbers: A2206903798, A 220 690 37 98, AS
• Location on the vehicle: Front, Rear, Left
• Category: Door Panels

Purpose and Vehicle Placement

The presented seal is dedicated for installation on the left side of the body, in the door area. The design is intended for use in both the front and rear sections of the vehicle, allowing for flexible application depending on the body configuration. This solution facilitates the selection of the appropriate component for body repairs and when replacing worn sealing elements.

Technical and Functional Characteristics

The seal belongs to the Door Upholstery group, which are elements responsible for the aesthetic and functional finishing of door edges and adjacent body surfaces. It is responsible for:

• limiting the penetration of water and dirt into the door and cabin interior,
• reducing wind noise during driving,
• stable operation of the door leaf relative to the body frame,
• maintaining proper door closure against the body.

As a part from disassembly, the seal retains its factory geometry and mounting method, which promotes hassle-free installation and correct fitting with existing upholstery and door panels.

Benefits of Using an Original Mercedes Part

Using an original Mercedes component helps maintain the structural integrity of the body and predictable door behavior in daily use. Key advantages include:

• factory fit to the shape of the door frame and body,
• compatibility with original mounting points,
• maintaining proper stiffness and flexibility in the sealing area,
• reducing the risk of leaks typical of imprecisely manufactured aftermarket parts.

Therefore, replacing a worn seal with an original part from the same group restores proper door closure, as well as maintaining acoustic comfort and interior protection close to factory levels.

Application in Body and Door Upholstery Repairs

The rear left door seal is suitable for both localized collision repairs and gradual renovation of the door area in S-Class W220 models. This part is particularly useful when the existing seal has become deformed, hardened, or mechanically damaged, resulting in noise, leaks, or door closure problems.

If you want to better plan bodywork and paint repairs and select parts from disassembly, the article describing a practical approach to such repairs may be helpful: Body and Chassis – Accident Repairs Using Dismantled Parts.

Integration with Other Door Upholstery Components

The seal works in conjunction with other door trim components, such as upholstery panels, trim strips, or sill covers, creating a cohesive protection and soundproofing system. The correct selection and installation of this element directly impacts:

• the aesthetics of the door-to-body junction,
• reducing vibrations and rattles when driving over uneven surfaces,
• maintaining proper seal pressure around the entire door perimeter.

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 interior panels, door cards, or additional trim, check the available parts in the Mercedes Door Upholstery category.