Mercedes-Benz W210 S210 Rear Left Right N/O/S Door Seal Gasket A2106971451

Mercedes W210 Rear Door Seal is a precisely fitted part from the Door Seals category, designed for the rear of the vehicle body. It ensures a tight door closure, reduces noise, and protects the interior from moisture and dirt. With its factory profile, it's a practical solution for routine maintenance and bodywork repairs on Mercedes W210 models.

Specifications and technical data

• SKU: A2106971451
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2106971451
• Substitutable numbers: A2106971451, A 210 697 14 51, KZ
• Location on the vehicle: Rear, Right, Left
• Category: Door Seals

Vehicle Application and Placement

This seal is designed for installation in the rear of the vehicle body, on either the right or left side. This placement allows it to be used for replacing the seal on the rear doors, regardless of the vehicle's side, making part selection easier during repairs.

The precisely profiled working cross-section of the seal supports the correct guidance of the door edge, stabilizes its closure, and helps maintain proper pressure along its entire length.

Technical Function and Installation Benefits

The primary function of the seal is to maintain a watertight seal between the door edge and the car body. A correctly chosen part:

• prevents water and moisture from entering the vehicle's interior,
• reduces wind noise while driving,
• stabilizes the door panel's position relative to the body,
• enhances cabin acoustic comfort.

For workshops and private users, it's important that using an original door seal ensures factory-level component fitment and predictable door operation when opening and closing.

Product Characteristics and Fitment

The Rear Door Seal for Mercedes W210 is a body structural component that interacts with the door frame and adjacent body surfaces. As part of the original sealing system, its geometry matches the W210 body line, simplifying installation and minimizing the need for additional adjustments.

This product belongs to the Door Seals group, meaning it is designed to withstand variable temperatures and the regular mechanical stress of frequent door opening and closing.

Condition and Service Application

The offered seal is a used part, making it an attractive option for budget-conscious repairs and for restoring the functionality of a daily-driven vehicle. This type of component is particularly useful for:

• repairs after rear-end collisions,
• addressing leaks and water ingress around the rear doors,
• reducing cabin noise caused by worn factory seals.

To ensure full functionality, installation by an experienced bodywork technician is recommended, ensuring the seal is correctly guided in its factory grooves and clips.

Complementary Mercedes Door Seals

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

How to Safely Buy Used Door Seals Online

When choosing a used door seal, pay attention to its compatibility with manufacturer markings, its placement on the vehicle, and your specific repair needs. A practical buying guide can provide additional support, detailing how to select parts by catalog numbers and strategies for verifying offers – detailed instructions can be found in the article Safe Online Purchase of Used Car Parts – A Step-by-Step Guide.