Mercedes-Benz C W204 Rear Left N/S Window Rail Sealing Strip Trim A2047300524

Mercedes-Benz C W204 Rear Left N/S Window Rail Sealing Strip Trim is a precision-fitted body component responsible for the sealing and stable guidance of the rear window on the driver's side. As part of the Doors and door panels group, it ensures the window adheres properly to the door frame, reducing noise, vibrations, and water ingress. This used, original Mercedes component is the ideal solution for users who expect factory-fit quality without the cost of purchasing a new part.

Specifications and technical data

• SKU: A2047300524
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047300524
• Substitutable numbers: A2047300524, A 204 730 05 24
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and technical function

The rear left window sealing strip has been designed specifically for the C-Class W204 body, taking into account the door geometry and window guidance. It is responsible for:

• maintaining proper sealing between the window and the door frame,
• stable window guidance during opening and closing,
• reducing wind noise at higher speeds,
• protecting the window edge from mechanical damage.

Its placement in the rear section on the left side of the body makes this element significant for the acoustic comfort of rear-seat passengers and the overall sealing of the side of the vehicle.

Body fitment and color

The trim is finished in black, allowing for a seamless match with factory seals and window frames used in the C W204 model. The neutral color scheme facilitates integration with various equipment and upholstery variants, maintaining the original character of the side body line.

Precise fitment to the rear left window reduces the risk of tension and leaks that can occur when using aftermarket parts with universal geometry. This ensures the correct operation of the window lifting mechanism and even pressure along the entire length of the edge.

Benefits of using an original sealing strip

Using an original window sealing strip in a Mercedes C-Class W204 provides measurable operational benefits:

• Factory fit – a component designed for a specific body model, with no modifications required.
• Stable window operation – proper guidance minimizes resistance and stress on the lifting mechanism.
• Noise and vibration reduction – correct sealing reduces wind noise and resonance within the door area.
• Moisture protection – a properly selected seal reduces the risk of water entering the door interior.

This used component allows you to restore proper window operation after a collision, disassembly, or natural wear of the factory seal, while keeping repair costs reasonable.

Condition of the part and use in repairs

The rear left window sealing strip is sourced from disassembly, which enables economical repair without sacrificing original construction. This type of part is particularly useful for:

• replacing damaged or deformed elements after bodywork,
• eliminating leaks and noises appearing around the rear window,
• restoring the factory look of the side body edge after replacing a door or window.

Thanks to the preservation of the original geometry and material, installation proceeds in a manner similar to the factory process, which facilitates workshop work and shortens vehicle downtime.

Expanding rear door repairs

If you are planning a comprehensive repair or upgrade of the rear door area in your Mercedes and need other elements from the same group, such as panels, reinforcements, or additional trims, check out the available parts in the Mercedes Doors and door panels category.

For users interested in a conscious approach to vehicle maintenance and the thoughtful, economical use of recycled parts, it is worth reading an article describing the impact of such solutions on the environment and the driver's budget: Circular economy in your garage – how used parts support ecology and reduce repair costs.