Mercedes S204 Window Strip Rear Left N/S Window Rail Sealing Trim A2047300319

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes S204 Window Strip Rear Left N/S Window Rail Sealing Trim is a precisely fitted body component from the Doors and door panels category, designed for installation in the rear left section of the vehicle. The black color of the trim allows for seamless integration into the car's side profile, and the design, tailored to the specific model, ensures proper window guidance and sealing.

Specifications and technical data

• SKU: A2047300319
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2047300319
• Substitutable numbers: A2047300319, A 204 730 03 19
• Location on the vehicle: Rear, Left
• Color: Black
• Category: Doors & Door Skins

Purpose and function of the component

The rear left window sealing trim in the Mercedes W204 is responsible for stable window guidance within the rail and for limiting the ingress of water, dust, and noise into the door interior. A correctly selected component in this area contributes to:

• maintaining a seal between the window and the door panel,
• reducing wind noise while driving,
• protecting the window lifting mechanism from contaminants.

Thanks to its dedicated placement in the rear left zone, the trim works in harmony with the factory door geometry, which helps maintain proper window operation and the aesthetic side line of the bodywork.

Construction, color, and fitment

The component is finished in black, which facilitates integration with both dark and lighter door frame trim variants. The trim's construction has been developed with the specific model in mind, ensuring that:

• the seal profile matches the shape of the window and the door edge,
• mounting points are consistent with Mercedes factory solutions,
• there is no need for interference with the door sheet metal or any modifications.

Such fitment promotes quick installation and reduces the risk of leaks resulting from the use of universal parts.

Performance characteristics and installation

As a component from the Doors and door panels category, the trim operates in direct contact with the window and external atmospheric conditions. A properly selected seal helps maintain acoustic and visual comfort, and also supports anti-corrosion protection for the internal door structures.

When replacing, it is recommended to:

• check the condition of the guides and the window lifting mechanism,
• clean the door edge of deposits and surface corrosion,
• verify window operation after installation for smooth movement and pressure against the seal.

This approach allows you to fully utilize the potential of the newly installed trim and reduce the risk of recurring leaks.

Product condition and benefits of use

The offered trim is a used component, which allows for economical repair while maintaining the original finish character. Choosing this solution is particularly beneficial when you want to maintain visual consistency with other door elements and reduce service costs.

The use of a dedicated window seal in the rear left part of the body translates into:

• more stable window operation in the guide,
• reduced risk of air drafts at higher speeds,
• better protection of the door interior against moisture.

Modernization expansion and technical knowledge

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

If you are interested in a broader approach to repairs using recycled parts and want to better understand how to combine technical aspects with environmental care, it is worth reading the article Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts, which discusses the practical applications of recycled components in the automotive industry.