Mercedes W166 ML 350 AMG Line Bluetec Rear Door Window Molding Right O/S

Mercedes W166 ML 350 AMG Line Bluetec Rear Door Window Molding Right O/S is an original body component designed for the rear right door frame in W166 series models. This precisely fitted window molding provides an aesthetic edge finish and stable seal guidance, which translates into better protection against noise, water, and contaminants. Thanks to its factory geometry, it serves as a functional solution for post-accident repairs and renovations of the side body area.

Specifications and technical data

• SKU: A1667300019
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667300019
• Substitutable numbers: A1667300019, A 166 730 00 19
• Location on the vehicle: Rear, Right
• Category: Door Seals

Purpose and function of the component

The described window molding is a component mounted on the rear right door, in the area where the window meets the door frame. Its purpose is to:

• stabilize and guide the seal along the window edge,
• protect against water and dirt ingress into the door interior,
• reduce wind noise while driving,
• aesthetically complete the side body line in the AMG version.

Thanks to its properly profiled construction, the molding works with the factory window lifting mechanism without restricting its range of motion or causing additional stress on the glass.

Benefits of using the original window molding

Using the original molding in the rear right door area allows for maintaining the structural and visual consistency of the vehicle. Key advantages include:

• Factory fitment – the component is designed for the specific geometry of the W166 door, which facilitates installation and ensures proper adhesion to the window and body panel.
• Compatibility with original door seals – the molding creates a tight system with them, reducing the risk of window fogging and moisture inside the door.
• Consistent look with the AMG package – maintaining the correct side line and characteristic body proportions.
• Stable window guidance – reduction of play and unwanted vibrations when driving at higher speeds.

Application in body repairs and renovations

The rear right window molding is particularly suitable for:

• post-collision repairs where the door edge or window frame area has been damaged,
• vehicle renovations where the existing molding is worn, deformed, or leaking,
• work aimed at improving cabin acoustic comfort through better sealing of the door area.

Replacement of this component is recommended wherever leaks, rattling when closing doors, or visible deformations within the window frame occur. A correctly selected molding helps restore the original functional and visual parameters of the side body section.

Product characteristics and installation

The element belongs to the Door seals group, which means it works directly with the sealing and window guidance system in the rear doors. Installation is carried out at factory mounting points, using the clips and guides provided by the manufacturer. As a result:

• there is no need to modify the door structure,
• installation time is kept to a minimum,
• it is easier to maintain the correct geometry of adhesion to the window and body panel.

The product is offered in a used condition, which allows for economical repair while maintaining the original manufacturer's specifications. Before installation, it is recommended to perform a standard inspection of the working surfaces and the cleanliness of the mounting sockets in the door.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the door area in your Mercedes and need other components from the same group, such as additional seals, guide rails, or edge covers, check the available parts in the Mercedes door seals category.

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