Mercedes ML W163 Headlight Trim Cover Left N/S Tanzanite Blue - 359 A1638260177

Mercedes ML W163 Headlight Trim Cover Left N/S Tanzanite Blue is an original body component designed for precise installation on the left side of the vehicle's front end. Thanks to its factory Tanzanite Blue Metallic color, the trim allows for visual consistency with the remaining body panels, which is particularly important for post-accident repairs and aesthetic corrections. It is a practical solution for users who expect a solid fit and compliance with the styling lines of the ML W163 model.

Specifications and technical data

• SKU: A1638260177-TB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1638260177
• Substitutable numbers: A1638260177, A 163 826 01 77, EM
• Location on the vehicle: Left
• Color: Tanzanite Blue Metallic - 359
• Category: Other Lighting & Bulbs

Purpose and function of the headlight trim

The described headlight trim has been designed specifically for use on the left side of the body in the Mercedes ML W163 model. Its task is to complement the lower edge of the headlight and the adjacent bumper and fender components, ensuring that the front line of the vehicle is consistent and that mounting gaps are maintained within appropriate tolerances. Proper fitment of this element contributes to:

• maintaining the correct geometry of the vehicle's front in the headlight area,
• aesthetic finishing of the headlight zone on the left side,
• reducing the formation of unwanted gaps between body components.

Tanzanite Blue Metallic color – visual matching

The trim is factory-finished in the Tanzanite Blue Metallic shade, designated by paint code 359, which allows for a uniform color scheme on the front of the vehicle without the need for additional painting (provided other elements are in the same color and have a similar degree of wear). The metallic structure of the paint provides a characteristic depth of color, blending well with the SUV's body lines and emphasizing its elegant character. In the case of post-collision repair or replacement of a single element, color consistency significantly facilitates restoring the car's original appearance.

Installation characteristics and compatibility

The left-side headlight trim is a component structurally matched to the factory mounting points in the Mercedes ML W163. This means that with a properly prepared mounting surface, it is possible to install the part without the need for body modifications. In practice, this translates into:

• a more efficient repair process in workshop conditions,
• easier adjustment of gaps relative to the headlight and bumper,
• preservation of the original front line of the vehicle after the replacement is completed.

As a used part, the trim represents a cost-effective solution while maintaining original geometry and compatibility with the factory mounting system.

Condition and use in service practice

The used headlight trim for the Mercedes ML W163 is a good choice in situations where it is necessary to replace a single body element after mechanical damage or during a staged renovation of the vehicle's front. This type of part will prove useful both in professional body and paint shops and in workshops specializing in Mercedes vehicle repairs. Using an original component helps reduce the risk of fitment issues that often arise with replacements of less precise geometry.

If you are planning a comprehensive repair or upgrade of the front body zone in your Mercedes and need other elements from the same group, such as additional trims, covers, or small finishing panels, check the available parts in the Other Mercedes category.

Additional information and further reading

When planning broader work on the body or chassis, it is also worth considering the impact of the weight and geometry of the components on vehicle handling and suspension performance. In the context of more advanced modifications and structural comparisons between different versions of sports and standard models, material discussing the differences in the construction of the drivetrain, brakes, and chassis may be helpful. You can find more on this topic in the article Audi RS vs other models – what is hidden under the hood and chassis?, which organizes issues related to the construction and selection of parts in vehicles with varied performance.