A2207302378

Mercedes W220 Rear Door Seal Gasket Rubber Right O/S Side is a precisely fitted body component, designed specifically for the rear right door area of the S-Class model. It is responsible for sealing, noise reduction, and protecting the interior from moisture, which is why its proper condition has a direct impact on acoustic comfort and the durability of the upholstery. By choosing an original door seal, you gain a component consistent with the factory body geometry and assurance of proper adhesion to the door frame, which facilitates installation and subsequent operation.

Specifications and technical data

• SKU: A2207302478
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2207302478
• Substitutable numbers: A2207302478, A 220 730 24 78
• Location on the vehicle: Rear, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and vehicle placement

The presented seal belongs to the Door seals category and is intended for installation in the rear right part of the Mercedes S-Class W220 generation body. The element operates in the critical area where the door meets the bodywork, responsible for:

• limiting the ingress of water and moisture into the cabin interior,
• reducing wind noise when driving at higher speeds,
• stable guidance of the door leaf in the closed position,
• protecting sheet metal edges against accelerated corrosion. Thanks to its dedicated placement on the vehicle, the seal works with factory clips and sheet metal profiles, which minimizes the risk of leaks after replacement.

Construction and technical characteristics

The seal is made of a flexible rubber material with selected hardness, ensuring proper pressure against the door frame when closed. The cross-section profile has been designed to:

• maintain a stable shape along the entire door perimeter,
• compensate for minor body geometry deviations resulting from operation,
• ensure uniform pressure along the entire length of the contact area. Properly formed corners and straight sections facilitate the correct positioning of the seal in factory channels, which is particularly important in the rear part of the body, where complex sheet metal stampings often occur.

Benefits of using an original Mercedes seal

Choosing an original door seal for the Mercedes W220 translates into a number of practical operational benefits:

• Factory fit – maintaining the correct door line and uniform gaps between the door and the body.
• Stable sealing – reducing the risk of water leaks around sills and pillars, which is important for the durability of upholstery and electrical installations in the lower parts of the cabin.
• Improved acoustic comfort – reduction of wind noise and minor rattles resulting from bodywork movement.
• Hassle-free installation – the ability to install in place of a worn element without the need for body modifications. As an element from the Door seals group, this part is particularly important during body renovation work, door replacement, or repairing collision damage in the rear right part of the vehicle.

Product condition and service application

The offered seal is a used item, which makes it an attractive solution for servicing vehicles where maintaining a reasonable repair budget while adhering to the original manufacturer's specifications is key. This type of component will work well both for routine maintenance and for more extensive body and paint work in the rear body zone.

Complementary Mercedes Door seals

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 front door seals, pillar seals, or additional sealing profiles, check the available parts in the Mercedes Door seals category. For users interested in a broader context of using used parts in premium vehicles, including the impact on service costs and repair durability, an article describing a practical approach to repairs using original components may be helpful – you can find it here: BMW N47 timing chain – typical failure and repair using original BMW parts.