Mercedes W164 Rear Bumper Diffuser Trim Cover Double Exhaust Rear A1648850525

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W164 Rear Bumper Diffuser Trim Cover Double Exhaust is an original body component from the Bumpers and reinforcements group, designed for installation in the rear part of the vehicle. The black rear diffuser panel provides a functional and aesthetic finish to the bumper area, prepared for a dual exhaust system, which allows for maintaining a consistent, factory look of the car.

Specifications and technical data

• SKU: A1648850525-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1648850525
• Substitutable numbers: A1648850525, A 164 885 05 25
• Location on the vehicle: Rear
• Color: Black
• Category: Bumpers & Reinforcements

Purpose and function of the rear diffuser

The presented diffuser is a component mounted in the rear part of the body, in the bumper area. Its task is to aesthetically finish the lower edge of the bumper and adapt the space around the dual exhaust system. Thanks to this, the rear part of the vehicle gains a consistent, orderly appearance, and the body line remains in line with the factory Mercedes styling.

The black color of the diffuser blends well with both light and dark body paints, facilitating integration with the existing bumper without the need for additional visual modifications.

Construction, installation, and fitment

The diffuser has been designed as a component dedicated to a specific body generation, which translates into precise fitment to the shape of the rear bumper. The design provides space for a dual exhaust system, so there is no need for user-side interference with the component.

As a part from the Bumpers and reinforcements group, the diffuser works with the factory bumper mounting points, which facilitates installation and reduces the risk of improper fitment. With proper installation, the continuity of the body line is maintained, and the gaps between elements remain even.

Visual and functional characteristics

The black rear bumper diffuser emphasizes the lower part of the body, optically lowering the rear of the vehicle and giving it a more dynamic character. At the same time, it serves as a practical cover for the lower part of the bumper against minor damage resulting from daily use.

The solution prepared for a dual exhaust allows for maintaining visual consistency when using the appropriate exhaust tip system, without the need for modifications or fitting universal elements.

Condition of the component and service application

The offered diffuser is a used component, which makes it a reasonable choice for post-accident repairs, replacing a damaged bumper, or modifying the rear part of the body towards a version with a dual exhaust. Compared to new OEM components, it allows for cost reduction while maintaining factory geometry and fitment.

Such a solution is particularly useful in situations where the priority is compliance with the original body line and correct fitment with existing bumper elements, without the compromises typical of universal replacements.

Expansion of rear body modernization

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

For a comparison of the approach to using second-hand components in the automotive industry, including in the context of tuning and repairs, it is worth reading an article describing the practical application of used components in premium cars: Audi on second-hand parts – tuning and repairs without loss of quality.