Mercedes W166 Door Window Strip Trim Molding Rear Left N/S Chrome A1667350365

Mercedes W166 Door Window Strip Trim Molding Rear Left N/S Chrome is a precision body component responsible for effectively draining water from the window and providing an aesthetic finish to the door edge. The chrome finish gives the side of the vehicle an elegant, cohesive look, while the fitment for the specific axle and side of the vehicle ensures proper adhesion to the window and door. This solution helps maintain proper sealing and limits the ingress of contaminants into the door interior.

Specifications and technical data

• SKU: A1667350365
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667350365
• Substitutable numbers: A1667350365, A 166 735 03 65
• Location on the vehicle: Rear, Left
• Color: Chrome
• Category: Door Seals

Purpose and function of the window trim molding

The described molding is designed for installation on the rear left side of the body, in the door area. Its task is to wipe water from the window surface as it is raised and lowered, as well as to stabilize the window edge relative to the door panel. This reduces the risk of internal fogging and ensures the window lifting mechanism operates under more predictable conditions.

This element belongs to the Door seals group, which means it works in conjunction with other seals within the door area to create a cohesive system of protection against water, dust, and noise. A properly selected window trim molding helps maintain cabin acoustic comfort and reduces wear on window mechanisms.

Exterior appearance and fitment

The chrome finish of the molding has been designed with premium Mercedes models in mind, where both functionality and a cohesive stylistic line are important. The Chrome color harmonizes with factory exterior decorative elements, such as other moldings or window frames, ensuring the vehicle's original character is preserved after installation.

The placement on the vehicle in the rear left part of the body means that the profile of the molding is matched to the specific shape of the door and window. Proper fitment translates into stable seating, even pressure against the window, and a reduction in unwanted vibrations while driving.

Product characteristics and application

The window trim molding is a structural element that works in direct contact with the glass, so its geometry and material hardness are important for the smoothness of the window movement. A properly selected wiping profile:

• facilitates water drainage from the window surface,
• limits the ingress of fine contaminants into the door interior,
• supports the maintenance of a seal at the window-door interface,
• influences the operating quality of the window lifting mechanism.

The product comes from the Mercedes brand, which in practice means maintaining the correct geometry relative to the original doors and windows of the given model. As a result, the molding can be used both when replacing a damaged element and when restoring the factory appearance of the vehicle after body and paint repairs.

Condition and benefits of choosing a used OEM element

The offered molding is in used condition, which allows for an economical replacement of the element while maintaining the manufacturer's original specifications. In practice, this means a favorable cost-to-quality ratio and the ability to visually match other already used body elements.

If you are considering whether a new or used part will work better in a given case, an article comparing these solutions in terms of costs and durability may be helpful – more information can be found in the material New or used? A comparison of costs and quality of car parts.

Expanding the door area in a Mercedes

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other elements from the same group, such as additional window trim moldings, perimeter seals, or window frame seals, check the available parts in the Mercedes door seals category.

Summary

Mercedes W166 Door Window Strip Trim Molding Rear Left N/S Chrome is a functional element from the door seal group that combines protection against water and contaminants with an aesthetic, chrome finish. The fitment to the specific position on the vehicle and compliance with the body's stylistic line make it a practical solution when replacing a worn or damaged molding in Mercedes vehicles.