Mercedes W177 Trunk Tailgate Rear Spoiler Panel Iridium Silver 775 A1777900300

Visual condition of the part

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

The Mercedes W177 Rear Trunk Spoiler in Cosmos Black Metallic is an original body part from the Spoilers and Wings category, designed for installation on the rear of the vehicle. Engineered by the manufacturer, it ensures a precise fit to the body lines, secure mounting, and a cohesive look with the factory paint. This is a practical solution for owners who wish to maintain the original styling and aerodynamics of their Mercedes.

Specifications and technical data

• SKU: A1777902600-KB1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777902600
• Substitutable numbers: A1777902600, A 177 790 26 00, A1777900300, A 177 790 03 00
• Location on the vehicle: Rear
• Color: Kosmos Black Metallic - 191
• Category: Spoilers & Wings

Purpose and Function of the Part

The rear trunk spoiler on the Mercedes W177 plays a significant role in shaping airflow around the body, while also visually lowering the rear of the car. Its rear placement enhances stability at higher speeds and gives the car a more dynamic character, while maintaining the factory mounting geometry.

This part is particularly useful for post-accident repairs, replacing a damaged trunk lid, or restoring the car to its original manufacturer specifications. Original Mercedes branding signifies compatibility with factory mounting points and predictable performance.

Color and Paint Matching

The spoiler is finished in the Cosmos Black Metallic shade, allowing for an aesthetic match with bodywork in the same paint code. The metallic finish ensures consistency with the factory finish, reducing the need for additional painting when the vehicle color is appropriately matched.

For owners planning a full repaint of the part, the existing surface provides a solid base for preparation and recoating, simplifying the painter's work and reducing repair time.

Mounting Characteristics

Its placement on the rear of the vehicle means the spoiler integrates with the trunk lid edge, creating a seamless line with other body elements. The manufacturer's design allows for:

• maintaining factory gaps and joint lines with the trunk lid,
• proper distribution of forces acting on the mountings during driving,
• easier fitment checks after bodywork repairs.

This makes the part suitable for use in professional body and paint shops, as well as specialized workshops focusing on Mercedes body restoration.

Condition and Service Application

The product comes from the segment of used original parts, allowing for the preservation of factory specifications at a reasonable repair cost. Such parts are often chosen for:

• collision repairs where spoiler replacement is needed without altering the trunk lid structure,
• restoring the car to a near-factory condition after styling modifications,
• replacing missing body parts on fleet or ex-lease vehicles.

A used, original spoiler offers a balance between quality and cost, especially for premium vehicles where new body parts represent a significant repair expense.

Benefits of Using an Original Mercedes Spoiler

Installing a factory spoiler on the Mercedes W177 provides several practical advantages:

• maintaining the original body line and the model's distinctive styling,
• guaranteed fitment to the trunk lid without modifications,
• visual consistency with other body elements in Cosmos Black Metallic,
• suitability for professional repairs compliant with manufacturer guidelines.

For owners planning comprehensive bodywork or restoration, an original part from the Spoilers and Wings category is a safe choice both technically and visually.

If you are undertaking a broader range of work on the rear of your Mercedes and also need other aerodynamic or finishing elements of this type, check out the available parts in the Mercedes Spoilers and Wings category.

To better plan your repair budget and make informed choices about used components for your premium car, it is worth familiarizing yourself with practical tips on selecting original parts – these are discussed in detail in the article Used Parts for Mercedes – Original Parts from Dismantling.