Mercedes ML W163 Sealing Frame Rear Right O/S Upper Top C-Pillar A1637301478

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes ML W163 Sealing Frame Rear Right O/S Upper Top C-Pillar is an original body component designed for the rear right C-pillar section of the Mercedes ML W163 series. This precisely molded seal ensures a tight connection between body panels, improving interior protection against water, noise, and debris. Thanks to a design that adheres to factory standards, installation is predictable and perfectly matched to the body geometry, facilitating professional repair or replacement.

Specifications and technical data

• SKU: A1637301478
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1637301478
• Substitutable numbers: A1637301478, A 163 730 14 78
• Location on the vehicle: Rear, Right
• Category: Other Interior Parts & Accessories

Purpose and function of the C-pillar seal

The C-pillar seal in the rear right section of the body is responsible for stable sealing of the contact point between body elements in the rear side area. In the Mercedes ML W163 model, this is important both for protecting against water ingress into the interior and for reducing wind noise while driving.

By using a dedicated C-pillar seal, you maintain the factory fitment line, which helps avoid stress on sheet metal and plastic parts and minimizes the risk of rattles and resonance in the rear of the cabin.

Compatibility and fitment for Mercedes ML W163

The presented seal has been designed specifically for the Mercedes ML W163 body structure, taking into account the characteristic profile of the C-pillar and the mounting method in the rear right part of the vehicle. This means that:

• the seal geometry corresponds to the shape of the factory C-pillar,
• mounting points are compatible with the original body sockets,
• the contact line with adjacent elements maintains the parameters specified by the manufacturer.

As a result, there is no need for modifications or forced fitting, which is essential for professional body repair and for maintaining the visual and functional consistency of the rear of the car.

Characteristics of the used component

The C-pillar seal comes from vehicle dismantling, which allows for maintaining the original design specifications characteristic of the Mercedes brand. A used component is a good choice in situations where you want to maintain compliance with the factory design while optimizing the costs of repairing the rear body section.

In the case of body seals, it is particularly important that the profile and material hardness correspond to the solutions used by the manufacturer – an original component from dismantling usually fits better into existing bodywork gaps than universal-shaped replacements.

Benefits of using a dedicated C-pillar seal

Replacing the C-pillar seal in the rear right section of the Mercedes ML W163 with a component consistent with the factory design brings a number of practical benefits:

• increased tightness in the rear body area,
• reduction of wind noise and vibrations transmitted to the passenger cabin,
• better corrosion protection in the contact zone between metal and plastic parts,
• maintenance of proper fitment of side elements in the C-pillar area.

For body shops and service centers specializing in the Mercedes brand, using such a component facilitates the repeatability of repairs and compliance with manufacturer guidelines, which translates into stable service quality.

Expansion of service work and additional materials

If you are planning a comprehensive repair or upgrade of the rear body zone in your Mercedes and need other elements from the same group, such as additional seals, covers, or small fasteners, check out the available parts in the Other Mercedes category.

When planning broader service work, it is also worth paying attention to the structural differences between individual model lines of different brands – the comparative material regarding sports versions and their drivetrains, available in the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how manufacturers differentiate components depending on the vehicle's purpose, may be helpful.

Summary

Mercedes ML W163 Sealing Frame Rear Right O/S Upper Top C-Pillar is a practical, original body component designed for the rear right C-pillar section, allowing for the restoration of proper tightness and acoustic comfort in the cabin. Thanks to its fitment to the ML W163 model structure and the preservation of factory geometry, the seal provides a solid base for professional repair of the vehicle's rear side zone, supporting long-term vehicle operation in demanding conditions.