Mercedes-Benz M-Class ML W163 Headlight Trim Cover Left N/S Teallite Blue 353

Mercedes-Benz M-Class ML W163 Headlight Trim Cover Left N/S Teallite Blue is an original body component designed for the precise finishing of the headlight housing. Thanks to its factory-fit design, it ensures a seamless look for the front of the vehicle and facilitates the aesthetic replacement of a damaged trim without the need for bodywork modifications.

Specifications and technical data

• SKU: A1638260177-TLB
• 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: Travertine Beige Metallic - 693
• Category: Other Lighting & Bulbs

Purpose and fitment

The presented trim is designed for the left side of the vehicle, in the headlight area, for the Mercedes M-Class W163 generation. The component serves as an external headlight finish, responsible for the aesthetic connection between the headlight, hood, and fender, which is important for both visual appeal and proper body panel gap alignment during installation.

Its original Mercedes origin helps maintain factory body lines and facilitates installation in place of a worn or damaged part without the need for fitting aftermarket replacements with uncertain geometry.

Color and finish

The trim strip is finished in Teallite Blue, allowing for a consistent match with a vehicle of the same color or a deliberate choice as a contrasting styling accent. The metallic paint coating provides a characteristic depth of color and blends well with the headlight line and other front-end components.

Choosing the correct color is important for post-accident repairs and visual restorations – using a component in the appropriate shade limits the scope of additional paint work and speeds up the process of restoring the vehicle to an aesthetic condition.

Characteristics of the used part

As a used part, the headlight trim comes from dismantling, which allows for maintaining the original manufacturer's specifications while reducing repair costs. Such components are particularly valued when servicing older vehicle generations, where the availability of new parts may be limited or economically unjustified.

Choosing an original used body component promotes material consistency, proper mounting profiles, and compatibility with factory mounting points within the headlight and adjacent panels.

Practical application and benefits of installation

Installation of this trim is particularly recommended for:

• local front-end repairs after minor collisions or scrapes,
• visual restoration of the headlight area after lamp replacement,
• replacing missing decorative elements after previous bodywork repairs.

Using an original trim allows you to maintain a consistent front-end appearance, reduce the risk of edge misalignment, and ensure proper alignment of the hood and fender lines relative to the headlight.

If you are planning a comprehensive repair or upgrade of the front-end area of your Mercedes and need other parts from the same group, such as trim strips, covers, or small mounting details, check out the available parts in the Other Mercedes category.

Technical support and additional knowledge

When planning broader modifications or comparing design solutions across different models, it is worth using expert materials. For those interested in analyzing the differences in construction and equipment of sports versions of vehicles, an article describing the characteristics of powertrains, braking systems, and chassis in the RS range may be useful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If your service strategy focuses on reducing your carbon footprint and you want to better understand the environmental impact of reusing components, it is worth reading the material discussing the advantages of dismantled parts: Sustainable automotive and original used body components.