Mercedes-Benz E-Class W211 Sedan Rear Left Door Window Seal Gasket A2117350725

Mercedes-Benz E-Class W211 Sedan Rear Left Door Window Seal Gasket is a precisely fitted body component designed for the rear left door window of this model. The original design ensures a tight fit to the door frame, which translates into stable window operation, noise reduction, and protection of the interior against moisture. This is a practical solution for users who want to restore factory sealing parameters in a technically correct manner.

Specifications and technical data

• SKU: A2117350725
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117350725
• Substitutable numbers: A2117350725, A 211 735 07 25
• Location on the vehicle: Rear, Left
• Category: Door Seals

Purpose and function of the seal

The presented seal is dedicated to the rear left door window in the Mercedes-Benz E-Class W211 generation body. Its task is to maintain proper sealing between the glass and the door structure, which affects acoustic comfort, water protection, and correct window guidance in the channels. Thanks to the factory profile, the component works with the window lifting mechanism and the door frame without the need for modifications.

Construction and body fitment

The seal belongs to the group of body components responsible for cabin insulation. Its shape is adapted to the geometry of the rear left part of the body, which enables precise fitting to the door edge and window contour. Properly profiled sections ensure stable seating in the mounting slot and correct adhesion along the entire length.

This solution helps to reduce phenomena such as wind noise at higher speeds, minor water leaks during rain or vehicle washing, and unwanted window vibrations. The use of an original seal is particularly important in vehicles equipped with extensive cabin soundproofing, where every element has an impact on the final level of comfort.

Benefits of using an original seal

Choosing a factory door window seal for the W211 allows you to maintain the parameters specified by the vehicle manufacturer. The most important advantages include:

• Compatibility with the door structure – no need for fitting, cutting, or profile modifications.
• Stable window guidance in the closed position and during operation of the lifting mechanism.
• Limiting the ingress of water and contaminants into the door interior, which promotes longer service life of the mechanisms.
• Improvement of cabin acoustic comfort by reducing wind noise.

The component from the Door seals category is particularly important in vehicles operated in variable weather conditions, where body tightness has a direct impact on the durability of the interior and components hidden inside the door.

Condition and service application

The seal is offered as a used part, which allows for economical repair while maintaining the original mounting specification. This type of component is suitable both for replacing a damaged or deformed seal and during comprehensive body and paint work, when it is necessary to reassemble the door while maintaining proper sealing.

Due to the dedicated placement on the vehicle, installation should be performed while maintaining the correct orientation relative to the door frame and window. A properly seated seal supports even door closing and stable adhesion of the window to the body contour.

Complementary Mercedes door seals

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 front window seals, door perimeter seals, or additional sealing profiles, check the available parts in the Mercedes door seals category.

Operation of used body components

To maximize the potential of used body components and maintain their functionality for a longer time, it is worth using appropriate care products and regularly checking the condition of the seals. Practical tips on maintenance and operation can be found in the article How to extend the life of used car parts?, which discusses proven methods for taking care of components sourced from dismantling.