Mercedes W177 Trunk Tailgate Rear Spoiler Panel Mountain Grey Metallic 787

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Trunk Tailgate Rear Spoiler Panel Mountain Grey Metallic 787 is an original body component from the Spoilers and wings category, designed for installation on the rear part of the trunk lid. Its carefully engineered shape improves aerodynamics, while the factory Mountain Grey Metallic 787 paint ensures a consistent, elegant look for the vehicle body without the need for additional painting.

Specifications and technical data

• SKU: A1777902600-MG
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1777900300
• Substitutable numbers: A1777902600, A 177 790 26 00, A1777900300, A 177 790 03 00
• Location on the vehicle: Rear
• Part type: Spoiler
• Category: Spoilers & Wings

Purpose and body fitment

The presented spoiler is dedicated to the rear body section of the W177 series models, ensuring a precise fit to the trunk lid lines. The design, prepared for factory mounting points, allows for maintaining proper body geometry and correct airflow in the rear zone of the vehicle.

The original Mountain Grey Metallic 787 paint is a significant advantage when replacing a damaged part – the spoiler can be used as a factory replacement without the need for time-consuming paint work, which reduces repair time and service costs.

Aerodynamic and visual function

The trunk lid spoiler plays an important role in shaping the airflow in the rear part of the vehicle. The properly profiled edge:

• stabilizes the airflow at higher speeds,
• reduces turbulence in the area of the rear window and trunk lid,
• supports predictable vehicle behavior during highway driving.

At the same time, the spoiler gives the body a more dynamic character – it emphasizes the trunk lid line and harmoniously connects with the body contours. As a result, it serves as a functional addition to the styling, rather than just a decorative element.

Characteristics of the original Mercedes component

As a Mercedes brand product, the spoiler has been designed in accordance with the manufacturer's internal standards regarding strength, rigidity, and resistance to weather conditions. This means stable performance of the component under aerodynamic loads, as well as durability of the paint coating in daily use.

Original mounts and the geometry of the mounting edges facilitate service work – the component works with the factory trunk lid structure, which minimizes the risk of stress, leaks, or improper fitment with other body panels.

Condition, installation, and service application

The spoiler is a used component, which makes it an attractive solution for post-accident repairs or replacing a damaged component to optimize service costs. Maintaining the original manufacturer's specifications allows for seamless integration with the existing vehicle structure.

During installation, it is recommended to:

• verify the mounting points on the trunk lid,
• use appropriate mounting materials in accordance with the manufacturer's technology,
• check the edge fitment with the body line after completing the work.

This approach allows for maintaining the proper rigidity of the connection and the aesthetic appearance of the rear part of the vehicle.

Why choose an original Mercedes spoiler

Choosing an original trunk lid spoiler in Mountain Grey Metallic 787 is a beneficial solution both in terms of technical and visual aspects. You gain:

• factory fitment to the W177 body lines,
• color consistency with the Mountain Grey Metallic 787 paint,
• preservation of the manufacturer's aerodynamic assumptions,
• possibility of economical repair while maintaining OEM standards.

For users who want to better understand the importance of original components in the context of safety and durability, the following article will be helpful: Quality assurance and OEM safety – why used original car parts are the best choice for your car?.

If you are planning a comprehensive repair or upgrade of the rear body section in your Mercedes and need other elements from the same group, such as additional flaps, covers, or trunk wings, check the available parts in the Mercedes Spoilers and wings category.