Mercedes W177 Bumper Rear AMG Trim Panel Covering Mountain Grey Magno - 662

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 Mountain Grey Magno is an original body component from the Bumpers and reinforcements group, designed for installation in the rear part of the vehicle. Finished in the factory Mountain Grey Magno - 662 color, it allows for maintaining a consistent, sporty AMG look and proper body geometry after accident repairs or visual upgrades.

Specifications and technical data

• SKU: A1778809604-MMA
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1778809604
• Substitutable numbers: A1778809604, A 177 880 96 04
• Location on the vehicle: Rear
• Color: Mountain Grey Magno - 662
• Category: Bumpers & Reinforcements

Purpose and function of the AMG rear bumper

The presented rear bumper has been designed specifically for the W177 series body in the AMG variant, taking into account the characteristic sporty line and aerodynamic requirements. As a component mounted in the rear of the vehicle, it is responsible for:

• maintaining the correct shape and rigidity of the impact zone,
• proper airflow management in the rear part of the body,
• aesthetic finishing of the rear of the car in line with the AMG styling.

Dedicated fitment to the W177 structure reduces the need for modifications and facilitates installation in place of the factory component.

Mountain Grey Magno - 662 color and aesthetic values

The finish in Mountain Grey Magno - 662 is characteristic of configurations with a higher visual standard. The matte, grey tone emphasizes the sporty character of the AMG while effectively masking minor operational dirt. Using the original color allows for:

• maintaining color consistency of the entire body,
• reducing the scope of additional paint work,
• retaining the factory look of the vehicle after repair.

For users who care about the visual continuity of the AMG configuration, this is a significant advantage when replacing body parts.

Characteristics of the used component

The offered bumper belongs to the group of used parts, which means it comes from vehicle dismantling and may show signs of normal wear. This type of component is an attractive solution for drivers who want to reduce repair costs while maintaining the manufacturer's original specifications. In practice, this allows you to:

• replace a damaged element with a factory equivalent,
• maintain proper fitment with adjacent body panels,
• preserve compliance with the AMG styling line without using aftermarket replacements.

Choosing a used rear bumper is particularly beneficial for repairs where combining a reasonable budget with maintaining the original appearance of the vehicle is key.

Application in the body system and installation

The element is intended for installation in the rear part of the body, where it works with other components from the Bumpers and reinforcements group. A correctly selected bumper:

• ensures proper alignment of the body line in the rear zone,
• enables correct seating of accompanying elements (e.g., trims, mounts, reinforcements),
• influences proper load distribution in the event of minor collisions.

Thanks to a design consistent with factory specifications, installation is carried out using original mounting points, which facilitates work for body and paint shops as well as workshops specializing in the Mercedes brand.

Complementary Mercedes body components

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

Technical support and knowledge about vehicle systems

During major body repairs and vehicle operation, it is also worth paying attention to the condition of key vehicle systems, including the engine cooling system, which has a direct impact on the durability of the power unit. Additional information on symptoms of overheating, diagnostics, and the role of radiators in various models can be found in the article Engine cooling system – overheating, repair, and used radiators.