Mercedes-Benz E-Class S210 Rear Right Door O/S Window Rail Guide Seal Gasket

The Mercedes S210 Right Door Window Seal is an original part from the Door Seals group, designed for installation in the rear right door of the S210 estate body. Its precisely shaped profile ensures a tight fit to the window, reducing noise, vibrations, and water ingress into the vehicle's interior. This is a practical solution for users who want to restore proper acoustic insulation and enhance the comfort of their Mercedes' daily operation.

Specifications and technical data

• SKU: A2107350425
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2107350425
• Substitutable numbers: A2107350425, A 210 735 04 25, EM
• Location on the vehicle: Rear, Right
• Category: Door Seals

Intended Use and Vehicle Placement

The presented seal is dedicated to the rear right door window in the S210 body. Its placement in the rear of the vehicle requires a specific shape and fit to the door frame, therefore, using the correct part directly impacts the seal and the stable operation of the window in its guides.

The appropriate geometry of the seal supports the correct functioning of the window lifting mechanism, reducing the risk of jamming, excessive play, or unwanted noises during driving.

Benefits of Using an Original Window Seal

Using a factory seal in the rear right door offers a range of practical operational benefits:

• improved sealing of the window-to-door frame contact,
• reduced ingress of water and moisture into the interior,
• decreased wind noise at higher speeds,
• stable window operation during opening and closing,
• maintenance of a cohesive body line without unsightly gaps.

By preserving the original geometry of the part, installation is predictable, and the seal creates even pressure around the entire window perimeter after installation, which translates to stable operation of the lifting mechanism and user comfort.

Product Characteristics and Fitment

The Mercedes S210 Right Door Window Seal has been designed to maintain the factory sealing and fitment parameters characteristic of the Mercedes brand. The seal's profile is adapted to the shape of the rear right door frame, allowing for installation without the need for modifications or forcing the part into place.

This part comes from a used vehicle, meaning it is a pre-owned component, but it remains functional in its primary sealing role. For many users, this represents a reasonable compromise between cost and maintaining the original manufacturer's specifications.

Installation and Service Application

The rear right door window seal is intended for replacement in situations where the existing seal shows signs of wear, such as cracks, loss of elasticity, leaks, or excessive noise during driving. Replacing it with a correctly fitted seal restores proper window operation and enhances the cabin's acoustic comfort.

Due to the specific shaping of the door frame in the S210, using a dedicated seal simplifies service work – the part fits into the designated slots by the manufacturer, reducing the risk of incorrect installation. This is particularly important during bodywork and painting or comprehensive renovation of the vehicle's side body.

Expanding Service Work Scope

If you are planning a comprehensive repair or upgrade of the door and window area in your Mercedes and require other parts from the same group, such as door frame seals, guide seals, or edge seals, check the available parts in the Mercedes Door Seals category.

When planning more extensive service work, it is also worthwhile to expand your knowledge on purchasing parts from the secondary market – practical tips on assessing the technical condition of used components can be found in the article How to Buy a Used Car Engine and Avoid Pitfalls – A Step-by-Step Guide, which helps develop universal criteria for evaluating used parts.