Mercedes-Benz C-Class W203 Rear Right Door Weatherstrip Trim Strip A2036903880

Mercedes W203 Rear Right Door Seal is an original part from the door upholstery category, designed for installation on the rear right door of the W203 body. The carefully selected sealing profile helps reduce noise, improves cabin acoustic comfort, and supports interior protection against moisture and dirt.

Specifications and technical data

• SKU: A2036903880
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036903880
• Substitutable numbers: A2036903880, A 203 690 38 80, AS
• Location on the vehicle: Rear, Right
• Category: Door Panels

Purpose and Fitment for W203 Body

The seal has been specifically designed for the rear right door on Mercedes C-Class W203 models. The appropriate edge profiling and material stiffness allow for secure fitting in the factory mounting points, without the need for modifications or force fitting.

This part is dedicated to a specific mounting location on the vehicle, which simplifies servicing and reduces the risk of leaks resulting from the use of universal replacements. This ensures structural consistency of the door and proper alignment of the door leaf with the car body.

Sealing Function and User Comfort

The appropriately selected seal profile supports:

• preventing water and moisture from entering the door interior,
• reducing wind noise at higher speeds,
• stable door closing without excessive resistance,
• protecting door upholstery from external dirt.

Proper sealing of the rear right side of the body translates to a more even noise distribution in the cabin, which is particularly noticeable during highway driving. A well-chosen seal also helps reduce unwanted vibrations and creaks within the door upholstery.

Characteristics of a Used Part

The offered seal is a used part, which means it comes from a dismantled vehicle and has been verified for its suitability for further use. This type of part is a good choice when aiming to maintain the original manufacturer's specifications while optimizing repair costs.

For door seals, a used part often provides a better fit than many cheap aftermarket alternatives, as it retains the factory shape and geometry intended for the specific body model. This solution is particularly beneficial for comprehensive door upholstery renovation or for spot repairs after a collision.

Application in the Door Upholstery System

The seal works in conjunction with other components from the door upholstery category, such as door panels, trim strips, and mounting elements. Proper installation contributes to:

• maintaining the correct gap line between the door and the body,
• stable seating of the upholstery around the door perimeter,
• reducing the risk of corrosion on the door edges,
• preserving the aesthetics and functionality of the Mercedes W203 interior.

By retaining the original seal design, it is possible to recreate the factory operating conditions of the door, which is important for both driving comfort and long-term protection of sheet metal components.

Mercedes Door Upholstery – Selection and Alternatives

If you are looking for other parts from the door upholstery category for this brand of vehicle, check out the Mercedes door upholstery available in our store to select complete interior equipment that matches your car's construction.

When choosing used parts – not only for upholstery but also for mechanical components – it is advisable to know the basic principles of selection by identification numbers and the real differences between new and used components. This topic is discussed in more detail in the guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which shows how to make informed purchasing decisions based on technical data and actual operating costs.