Window Frame Mercedes ML W166 Front Door Left Trim Black A1667270178

Visual condition of the part

The product shows signs of use visible in the photos.

Window Frame Mercedes ML W166 Front Door Left Trim Black is an original body component from the Claddings, decorative strips and trims group, designed for installation on the driver's side. The black frame profile allows for an aesthetic finish of the window edge, while simultaneously ensuring stable glass guidance and proper sealing of the door area.

Specifications and technical data

• SKU: A1667270178-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1667270178
• Substitutable numbers: A1667270178, A 166 727 01 78
• Location on the vehicle: Front, Left
• Color: Black
• Category: Trim

Purpose and function of the component

The front door window frame on the left side is responsible for the precise guidance of the window and the stabilization of its position relative to the door structure. In the Mercedes ML W166 model, this component contributes to the door outline, influencing:

• the rigidity of the door edge in the window area,
• proper cooperation with seals and the window lifting mechanism,
• maintaining the correct geometry of the window's contact with the body.

Thanks to its fitment for the specific ML generation, the frame allows for maintaining the vehicle's factory side line and visual consistency with other trim elements.

Color scheme and visual fitment

The black color of the frame is characteristic of many Mercedes ML W166 equipment configurations and blends well with both light and dark body paints. This allows for maintaining a uniform stylistic line around the windows without the need for additional modifications.

The element belongs to the Claddings, decorative strips and trims group, which means that beyond its structural function, it also plays an aesthetic role – it visually organizes the door area, masking the edges of sheet metal and seals, and improving the perception of the entire side of the body.

Placement on the vehicle and assembly aspects

The frame is intended for installation in the front door on the left side of the vehicle, in the area directly surrounding the window. Such placement requires maintaining proper geometry to:

• ensure smooth movement of the window in the guides,
• maintain even pressure of the window against the seals,
• minimize the risk of air noise during driving.

The original design dedicated to the ML W166 facilitates installation in place of the factory component, without the need for structural modifications to the door.

Product characteristics and application

As a Mercedes body part, the window frame has been designed for long-term operation in conditions of varying temperatures, humidity, and mechanical loads. It works well both for standard replacement of a damaged element and for body and paint work related to repairing a door after a collision.

The product in used condition is a good solution for those who want to maintain the original vehicle specification while optimizing repair costs compared to purchasing a new component.

Expanding work within body finishing

If you are planning a comprehensive repair or upgrade of the door and window area in your Mercedes and need other elements from the same group, such as decorative edge strips, masking claddings, or decorative frame trims, check the available parts in the Mercedes Claddings, decorative strips and trims category.

Substantive support and inspiration

If you are interested in a broader context of using body components from disassembly for stylistic and mechanical modifications, it is worth reaching for guide materials. For example, practical tips on visual tuning using original components can be found in the article Emotions and design – visual and mechanical tuning of a Seat using components from disassembly, which shows how to consciously select used OEM parts for individual needs.