Mercedes W166 Side Panel Front Left N/S Fender Obsidian Black - 197 A1668802500

Visual condition of the part

Possible scratches and paint chips – condition as shown in the product photos.

Mercedes W166 Side Panel Front Left N/S Fender Obsidian Black is an original body component designed for the front left side of this vehicle series. Finished in the factory Obsidian Black Metallic color, it allows for an aesthetically pleasing and technically correct repair of wheel arch damage without the need for costly repainting of the entire side of the car. It is a practical solution for users who expect a solid fit and a consistent body appearance.

Specifications and technical data

• SKU: A1668802500-OB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1668802500
• Substitutable numbers: A1668802500, A 166 880 25 00
• Location on the vehicle: Front, Left
• Color: Obsidian Black Metallic - 197
• Category: Body Side & Quarter Panels

Purpose and body fitment

The presented fender is designed specifically for the Mercedes W166 series and is mounted on the front left side of the body. As a component from the Wheel arches and rear fenders group, it serves a key protective function for the wheel area and door edges, while also ensuring the correct body line and alignment with the hood, bumper, and side skirts.

The original geometry of the panel ensures proper spacing between body components, which translates into reduced air turbulence, noise, and the risk of corrosion at critical connection points.

Color and paint finish

The fender is factory-painted in the Obsidian Black Metallic shade, characteristic of many Mercedes equipment configurations. The metallic paint coating ensures consistency with other body panels in this color, which facilitates visual repair without the need for full repainting of the entire side of the vehicle.

For body shops, this means shorter preparation time, and for the user – a more predictable final result and reduced costs associated with color matching.

Characteristics of the used component

As a secondary market part, the fender has been selected for its installation suitability. Such components are frequently chosen by professional service centers because they allow for economical repair while maintaining the original body structure. A used body panel also has a lower environmental impact compared to the production of a new component.

In practice, this means that with proper installation, you can achieve stable mounting, correct alignment with adjacent elements, and maintain the factory performance characteristics of the wheel arch area.

Benefits of using an original fender

Using an original fender on a Mercedes W166 provides a number of technical benefits:

• preservation of the factory body line and correct gaps between panels,
• compatibility with original mounting points and wheel arch equipment,
• reduction in the scope of bodywork due to matched geometry,
• color consistency with the body in Obsidian Black Metallic.

For the user, this means a more predictable repair process and the ability to restore the vehicle's aesthetics to a factory-like state without the need for structural intervention.

Application in Mercedes wheel arch repairs

The front left fender in Obsidian Black is suitable for both post-accident repairs and replacing body elements due to corrosion or local mechanical damage. This is particularly important for vehicles operated in harsh conditions, where the wheel arch area is exposed to salt, stones, and road debris.

If you are planning a comprehensive repair or upgrade of the wheel arch area in your Mercedes and need other elements from the same group, such as covers, inner wheel arches, or additional panels, check the available parts in the Mercedes wheel arches and rear fenders category.

Safety of choosing a used part

For many drivers, choosing a used component is a conscious decision combining economic aspects with environmental care. In the case of body panels such as a fender, it is crucial to maintain proper geometry and the ability for trouble-free installation, which is provided by an original secondary market component.

If you want to better understand the durability and cost-effectiveness of such solutions, it is worth reading the educational material Used car parts: Myths and facts you need to know, which clarifies the most common doubts related to purchasing used parts.