Mercedes ML W163 Door Gasket Seal Rear Right O/S Door Weatherstrip A1637301678

Mercedes ML W163 Door Gasket Seal Rear Right O/S Door Weatherstrip is an original body component from the Door seals category, designed for installation in the rear right area of the vehicle. A carefully selected sealing profile helps reduce noise, improve cabin acoustic comfort, and protect the interior against moisture and contaminants. This is a practical solution for users who want to restore factory fitment and door tightness in their Mercedes.

Specifications and technical data

• SKU: A1637301678
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1637301678
• Substitutable numbers: A1637301678, A 163 730 16 78
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and vehicle placement

The presented seal is designed specifically for the rear right part of the body, ensuring a proper fit to the shape of the door and adjacent body elements. Dedicated placement on the vehicle reduces the risk of leaks, squeaks, or improper door closing, which often occur when using universal replacements.

Thanks to the design intended for a specific body model, installation is straightforward, and the sealing line maintains consistency with other body elements. This is especially important in vehicles operated in varying weather conditions, where stable seal adhesion affects interior protection.

Technical and functional characteristics

The rear right door seal in the Mercedes ML W163 is responsible for maintaining proper pressure of the door leaf against the body frame. The correct material profile helps reduce:

• water and moisture penetration into the cabin interior,
• drafts and unwanted air gusts,
• excessive noise coming from outside the vehicle.

A properly selected seal also affects the stability of the lock and hinges, as even pressure reduces loads resulting from play and vibrations. In practice, this translates into more predictable door closing and less wear on mechanical components in this area.

Condition of the item and benefits of using a used part

The offered seal is a used item, which allows combining the functionality of an original component with a cost-effective purchase. In the case of door seals, using a dismantled part from the same body type often ensures a better fit than many replacements with a universal profile.

Choosing an original, used seal is a solution that can be particularly attractive for staged body renovation or restoring tightness in a specific area of the vehicle without the need to replace all sealing elements at once.

Why it is worth using a dedicated door seal

Using the correct seal in the rear right part of the body is important not only for comfort but also for protecting internal elements. Limiting moisture ingress helps reduce the risk of corrosion on sills, pillars, and upholstery mounts. Additionally, a stable seal affects:

• more even pressure distribution on the door edges,
• reduction of rattles and knocks when driving on uneven surfaces,
• maintaining predictable closing and opening of the door leaf.

For users who pay attention to bodywork performance and acoustic comfort, replacing a worn seal with a properly selected element is one of the simplest ways to improve the daily driving experience.

Related elements and additional information

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

For drivers preparing their car for the winter season, a practical guide describing which used components are worth checking before temperatures drop may be helpful. Detailed checklists and tips can be found in the article Winter essentials: which used car parts are worth checking and replacing before the frost?.