Mercedes W211 Saloon Rear Door Seal Frame Gasket Black Right O/S A2117300278

Mercedes W211 Saloon Rear Door Seal Frame Gasket Black Right O/S is an original body component from the Door seals category, designed for installation in the rear right area of the vehicle body. The precisely formed sealing profile helps reduce noise, improves cabin acoustic comfort, and supports protection against moisture and contaminants.

Specifications and technical data

• SKU: A2117300278-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2117300278
• Substitutable numbers: A2117300278, A 211 730 02 78
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the seal

The presented door frame seal has been designed specifically for the W211 generation E-Class sedan, intended for the rear right side of the vehicle. Its task is to seal the contact point between the door and the bodywork, which limits the ingress of water, dust, and air drafts into the passenger cabin.

The properly selected cross-section and material flexibility allow for a perfect fit to the door frame, which translates into stable closing and a reduction in rattling and unwanted vibrations while driving.

Benefits of using an original seal

Using an original door frame seal in a Mercedes W211 Saloon offers a number of practical benefits:

• better fit to the shape of the door frame compared to universal replacements,
• preservation of factory sealing geometry, which promotes the tightness of the door system,
• reduction of wind noise at higher speeds,
• support for protecting the interior against moisture and corrosion in the sill and pillar areas.

Thanks to this, replacing a worn or damaged seal with an original component allows you to restore the acoustic and functional comfort of the vehicle without interfering with the door structure.

Installation characteristics

The seal is intended for installation in the rear right part of the body, which facilitates clear identification of the installation location. The component's design is adapted to the factory mounting points in the door frame, which promotes efficient installation and stable seating around the perimeter of the door opening.

As a part from the Door seals category, the element works with other door components, such as hinges, locks, or side windows, without requiring body modifications or additional adapters.

Product condition and service application

The offered seal is a used item, which makes it an attractive service solution for users looking for original parts at a reasonable price. This type of component is particularly useful for post-accident repairs, replacement after mechanical damage, or for the gradual renewal of seals in older W211 models.

Selecting the correct door frame seal for a specific body version helps avoid problems with door closing, leaks, or improper fit, which is important for both driving comfort and the durability of upholstery elements.

Related components and additional information

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 frame seals, lower seals, or additional sealing profiles, check the available parts in the Mercedes door seals category.

In the case of broader service work on the vehicle, including the cooling system, it is worth checking out the guide on operation in high temperatures – you will find practical tips in the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.