Mercedes-Benz W221 Long Rear Left Door Window Strip Finisher Trim Rail Chrome

The Mercedes W221 Long Rear Left Door Window Trim is a precisely fitted component from the Doors and Door Panels category, designed for installation on the rear left side of the body. The chrome finish ensures a consistent look with factory details, and the original trim geometry guarantees proper adhesion to the window and door edge. This is a practical solution for users who want to maintain the aesthetics and functionality of the side body area in their Mercedes S-Class W221 Long.

Specifications and technical data

• SKU: A2216903780
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2216903780
• Substitutable numbers: A2216903780, A 221 690 37 80, KZ
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Doors & Door Skins

Purpose and Fitment

The trim is designed for installation in the rear left door area, along the bottom edge of the window. Its placement on the vehicle has been chosen to maintain the factory side body line, ensure proper sealing of the window gasket, and direct rainwater away from the door interior. Thanks to its design, which aligns with solutions used by Mercedes, the component works with original mountings and does not require modifications to the door structure.

Technical Characteristics and Finish

The trim belongs to the group of body elements referred to as Doors and Door Panels, responsible for aesthetic finishing and protecting the window edges. The chrome surface in Chrome color ensures consistency with other body decorations while also providing an additional protective layer against atmospheric factors. The trim's profile has been shaped to adhere precisely to the window and door panel, minimizing the risk of looseness and unwanted vibrations during driving.

Functional Purpose and Benefits of Installation

Installing the rear left door window trim allows for the restoration of the correct appearance of the side body area after mechanical damage or corrosion of the original element. A properly selected trim:

• stabilizes the window edge in the door guide,
• limits the ingress of dirt and moisture around the seals,
• improves the visual continuity of the body's chrome accents,
• supports the preservation of the W221 Long model's factory character.

Thanks to its original geometry, the component works well with the window lifting mechanism and other door assembly components.

Item Condition and Service Application

The trim is offered as a used part, allowing for economical repair of the door area while maintaining the vehicle's original character. This type of component is particularly useful in post-accident repairs, body restorations, and when replacing worn or damaged decorative elements where maintaining compliance with the factory specifications of the model is a priority.

Related Parts and Technical Knowledge

If you are planning a more extensive restoration of the side body area of your Mercedes S-Class and also need other parts from the Doors and Door Panels group, check the available parts in the Mercedes Doors and Door Panels category.

For comprehensive bodywork and vehicle modernization, it is also worth considering the impact of the exhaust system on the car's character; you can find more practical information in the article Performance Exhaust Systems: Used Headers and Sport Catalytic Converters on the Road.