Mercedes W177 Door Window Trim Strip Moulding Rear Left N/S Chrome A1777350300

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W177 Door Window Trim Strip Moulding Rear Left N/S Chrome is a precision body component from the Doors and door panels group, designed specifically for the rear left section of the vehicle body. The chrome finish provides an aesthetic transition between the window and the door panel, while also supporting proper water drainage from the window surface.

Specifications and technical data

• SKU: A1777350300
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777350300
• Substitutable numbers: A1777350300, A 177 735 03 00
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Doors & Door Skins

Purpose and function of the window trim strip

The window trim strip in the rear left part of the body is responsible for stable window guidance and limiting the ingress of water and contaminants into the door interior. In a Mercedes-class vehicle, its proper operation contributes to:

• maintaining a seal around the window and door frame,
• reducing the risk of corrosion inside the door structure,
• acoustic comfort by reducing wind noise at the window edge.

The component is mounted in the rear left part of the vehicle, which requires precise geometry matching to the specific body line.

Chrome finish and body fitment

The chrome surface of the trim creates a visually cohesive strip with other decorative body elements, highlighting the car's characteristic side line. The Chrome color blends well with both light and dark paint finishes, ensuring the trim maintains a neutral yet elegant appearance.

Precise profiling allows for proper adhesion to the window and door panel, which is essential for maintaining the factory body line and the correct operation of the window lifting mechanism.

Installation and operational characteristics

The trim is intended for installation in the rear left part of the vehicle, in the area where the window meets the upper edge of the door. The design, intended for this specific position on the vehicle, facilitates installation and reduces the need for additional adjustments.

• dedicated placement in the rear left zone,
• designed to work with the factory window mechanism,
• chrome finish matched to the Mercedes body styling.

The used nature of the component allows for an economical replacement while maintaining original geometry and compatibility with the door structure.

Application in the door and door panel system

As a part from the Doors and door panels group, the trim works in conjunction with the window, seals, and door panel, affecting the overall functionality of the side body zone. A correctly selected element of this type is important during bodywork and painting, window replacement, or when restoring the side part of the vehicle.

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

Support with selection and additional information

When selecting a window trim strip, it is worth paying attention to the compatibility of the placement on the vehicle and the type of surface finish to maintain consistency with other body elements. When comparing different aftermarket solutions, it may be helpful to review popular original components – you can find them in the article: Best used car parts – a guide to the most frequently chosen original parts.

Choosing an original trim strip for the rear left part of the body allows you to maintain proper window operation, preserve the aesthetics of the vehicle's side line, and reduce the risk of leaks around the door.