Mercedes C140 Edge Guard Door Seal Front Right O/S A1406972851

Mercedes C140 Edge Guard Door Seal Front Right O/S is a precisely fitted body component designed for installation in the front right door of Mercedes vehicles. It is responsible for ensuring a tight door seal, reducing noise, and protecting the interior from moisture and contaminants, which directly impacts driving comfort and the durability of the upholstery.

Specifications and technical data

• SKU: A1406972851
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1406972851
• Substitutable numbers: A1406972851, A 140 697 28 51
• Location on the vehicle: Front, Right
• Category: Door Seals

Purpose and vehicle placement

The presented seal is designed for installation in the front door area on the passenger side, i.e., in the front – right area. Such placement requires an appropriate profile and geometry to ensure proper adhesion to the body frame and the door edge. Using a dedicated component eliminates issues with improper closing, leaks, or incorrect window guidance.

Function of the door seal in the Mercedes body

Door seals in Mercedes vehicles are responsible for several key operational tasks:

• limiting the penetration of water and moisture into the cabin interior,
• reducing wind noise at higher speeds,
• dampening vibrations and squeaks within the door area,
• stabilizing the position of the door relative to the bodywork.

A properly selected door seal helps maintain acoustic comfort and also protects upholstery elements, electrical installations in the doors, and door sills from accelerated wear.

Product characteristics and fitment

The seal from this offer belongs to the Door seals group and is intended for Mercedes brand vehicles. The use of original geometry translates into correct routing along the door perimeter, without the need for cutting or modification. As a result, installation is predictable, and the final effect is stable over the long term.

The item is offered in a used condition, which allows for an economical replacement of the seal while maintaining compliance with the factory door construction. This solution is particularly beneficial for post-accident repairs, restorations of older models, or for eliminating local leaks without interfering with other body components.

Benefits of using an original door seal

Using a dedicated seal in the front right door brings a number of practical benefits:

• better cabin tightness – reduction of drafts, moisture, and dust,
• improved acoustic comfort – reduction of wind noise and rattling,
• stable door operation when opening and closing,
• protection of door sills and lower upholstery parts from moisture.

By maintaining the correct seal profile, the door closes with the appropriate resistance, without the need for excessive force or hinge adjustment, which positively affects the durability of the entire door assembly.

Comprehensive service for the Mercedes door area

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 additional perimeter seals, pillar seals, or sill seals, check the available parts in the Mercedes door seals category.

Used body components – a practical approach

Choosing a used door seal is a reasonable compromise between costs and maintaining compliance with the vehicle's factory design. In many cases, such an element still provides an adequate level of tightness and comfort, especially when the previous seal was mechanically damaged or deformed. When planning broader renovation work, it is also worth checking out tips on selecting used electronic components – you will find practical advice in the article Second life for electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?.