Mercedes-Benz S-Class W221 Rear Door Left Right N/O/S Seal Gasket A2216971151

Mercedes W221 Rear Door Seal A2216971151 is an original part from the Door Seals group, designed for the rear body section of luxury Mercedes S-Class W221 generation sedans. Its precisely molded black profile ensures a tight seal against the body and stable cooperation with the rear door structure on both the left and right sides of the vehicle.

Specifications and technical data

• SKU: A2216971151
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2216971151
• Substitutable numbers: A2216971151, A 221 697 11 51
• Location on the vehicle: Rear, Right, Left
• Color: Black
• Category: Door Seals

Purpose and Function of the Mercedes W221 Rear Door Seal

The presented seal is designed for installation in the rear body area, on the left or right side, in Mercedes S-Class W221 models. Its purpose is to limit the penetration of external noise, moisture, and dirt into the cabin, as well as to stabilize the operation of the door leaf when opening and closing. The appropriately selected cross-section geometry supports the correct guidance of the door relative to the body frame.

Construction, Color, and Body Fit

The seal is finished in a uniform black, which harmoniously integrates with the factory styling of the sills and pillars in the Mercedes W221. The flexible profile construction allows for a precise fit to the edge of the door opening, minimizing the risk of leaks around the entire perimeter. This maintains visual and functional consistency with other door assembly elements.

Benefits of Using an Original Rear Door Seal

Using a dedicated rear seal for the Mercedes W221 allows for maintaining proper acoustic and functional parameters of the passenger cabin. A correctly selected part:

• limits the ingress of wind noise and ambient sounds,
• supports the protection of the interior from moisture and minor contaminants,
• stabilizes door operation with repeated opening and closing,
• helps maintain comfort for rear seat passengers.

Thanks to its construction conforming to factory body specifications, the seal works with existing mounting points and does not require modifications to the body structure.

Item Condition and Service Application

The offered seal is a used part, making it a practical service solution for operational repairs or post-collision repairs. It can be used as a replacement for a worn, brittle, or mechanically damaged part in the rear of the vehicle, on both the left and right sides. Correctly selecting the component for a specific W221 body version allows for restoring proper door area sealing without the need for costly modifications.

Assistance with Selection and Additional Information

When selecting the correct seal for a specific Mercedes W221 configuration, it is worth paying attention to its placement on the vehicle and compatibility with the rear door structure. If necessary, product identification data available in the technical specifications section, such as manufacturer markings, reference numbers, or information about color and mounting location, can also be helpful.

If you are planning a comprehensive repair or upgrade of the 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 drivers who, alongside door work, are planning to improve cabin comfort and are considering replacing seats, steering wheels, or multimedia systems with used market solutions, the following guide may be helpful: Premium Interior for Half the Price: Used Seats, Steering Wheels, and Multimedia.