Mercedes W221 Door Seal Edge Protection Gasket Rear Left Right N/O/S A2216970951

Mercedes W221 Door Seal Body Rear Left Right A2216970951 is an original part from the Door Seals group, designed for installation in the rear part of the body on the left or right side. The carefully designed sealing profile ensures a tight door closure, reduces road noise, and improves acoustic comfort inside the vehicle.

Specifications and technical data

• SKU: A2216970951-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2216970951
• Substitutable numbers: A2216970951, A 221 697 09 51
• Location on the vehicle: Rear, Right, Left
• Category: Door Seals

Intended Use and Vehicle Placement

The seal is dedicated for installation in the rear part of the body, with the possibility of use on both the left and right sides. This solution simplifies the selection of the correct part during bodywork service and allows for a consistent restoration of the factory sealing system in the rear axle area.

Thanks to its precise fit to the shape of the door opening in the Mercedes W221 model, the part ensures stable adhesion to the body edge, which translates into effective reduction of air drafts and better protection against moisture.

Technical and Functional Characteristics

The body door seal is responsible for maintaining proper sealing between the door leaf and the body. The appropriately selected compound hardness and working profile support:

• reduction of external noise,
• prevention of water and dirt ingress into the interior,
• stable door guidance during closing,
• maintenance of a uniform contact line around the entire perimeter of the opening.

As a part from the Mercedes offering, the seal retains its factory geometry and is prepared for installation in original mounting points, which facilitates service work and reduces replacement time.

Benefits of Using an Original Seal

Using an original door seal in the Mercedes W221 allows for the restoration of factory body sealing parameters without the need for body modifications. This solution is particularly beneficial for:

• post-accident repairs in the rear part of the vehicle,
• eliminating air leaks and whistling at higher speeds,
• renovating the rear left or right door area after years of use.

This part helps maintain visual and functional consistency with other body seals, which is important for both driving comfort and long-term interior protection against moisture.

Condition and Service Application

The seal comes from a used vehicle, making it an attractive solution for budget repairs where maintaining the original construction at reasonable service costs is a priority. For workshops specializing in the Mercedes brand, it is a practical component for restoring the factory sealing system in the rear part of the body.

Expanding Service Work Scope

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

For those interested in a broader approach to car modernization and using used components as a cost-effective way to improve vehicle performance, practical tips can be found in the article MINI John Cooper Works – What Sets It Apart and How to Improve Your MINI?, which shows how to consciously select parts from the secondary market.