Mercedes W177 Bumper Rear AMG Trim Panel Covering Kosmos Black Metallic - 191

Visual condition of the part

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

Mercedes W177 Bumper Rear AMG Trim Panel Covering Kosmos Black Metallic in Kosmos Black Metallic is a precisely engineered body component that restores the cohesive look of the vehicle's rear section. As a component from the Bumpers and reinforcements group, it ensures proper closure of the bumper structure and an aesthetic finish for the rear zone, in line with the AMG styling line.

Specifications and technical data

• SKU: A1778804801-KB
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778804801
• Substitutable numbers: A1778804801, A 177 880 48 01
• Weight: 150
• Location on the vehicle: Rear
• Color: Kosmos Black Metallic - 191
• Category: Bumpers & Reinforcements

Purpose and function of the component

The Mercedes W177 Bumper Rear AMG Trim Panel Covering is responsible for the aesthetic and technical finishing of the rear bodywork. The component is mounted in the rear zone of the vehicle and works with the bumper structure, brackets, and other components from the Bumpers and reinforcements group, creating a cohesive protective and styling system.

The panel performs several key roles:

• organizes the bumper line in the AMG version, matching the factory body geometry,
• masks internal structural elements, improving the visual perception of the rear of the car,
• stabilizes a section of the bumper skin, reducing unwanted play and vibrations.

Color and visual fit

The finish in the Kosmos Black Metallic shade allows for a consistent match with the factory body paint in this color. The metallic structure of the paint provides characteristic depth and light reflections, thanks to which the panel harmoniously blends with the other body elements.

Choosing the original shade is particularly important for:

• local post-accident repairs in the rear of the vehicle,
• precise reconstruction of the AMG package in the W177 model,
• maintaining a uniform color scheme without the need for full painting of the entire bumper.

Technical and assembly aspect

The panel has been designed specifically for the W177 body, which translates into proper fitment with the bumper line and other mounting elements. The appropriately selected mass of the component promotes mounting stability and does not excessively load the bumper structure.

During installation, it is worth paying attention to:

• correct seating in the mounting points in the rear zone,
• cooperation with existing reinforcements and covers,
• checking the gaps between the panel and adjacent bumper elements.

Product characteristics and condition

The element comes from the Mercedes offer, which means maintaining factory geometry, compatibility with the W177 body, and compliance with the AMG styling line. The product is used, making it a reasonable solution for body and paint repairs when the priority is combining quality with cost control.

A used panel of this type will work particularly well in situations where:

• it is necessary to replace a damaged fragment of the rear AMG bumper,
• it is important to maintain the original character of the body,
• fast availability and compliance with factory mounting points count.

Integration with other body elements

The rear trim panel works with other components from the Bumpers and reinforcements group, creating a complete protective and visual system for the rear of the Mercedes W177. Proper fitment influences the reduction of airflow noise, improvement of bumper zone rigidity, and maintenance of the factory AMG line.

If you are planning a comprehensive repair or upgrade of the rear bumper zone in your Mercedes and need other elements from the same group, such as reinforcement beams, additional covers, or mounting brackets, check the available parts in the Mercedes Bumpers and reinforcements category.

For drivers interested in optimizing body and mechanical repair costs while maintaining the quality of original components, a guide on economical operation may be helpful – you can find more practical tips in the article Economical operation of a Ford – where to look for the greatest savings in mechanical and body repairs.