Mercedes X164 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 X164 Rear Bumper Diffuser Trim Cover Double Exhaust is an original body component from the Bumpers and reinforcements category, designed for installation at the rear of the vehicle. The black double diffuser provides an aesthetic finish to the rear bumper, enhances the vehicle's visual appeal, and prepares it for the installation of a suitable exhaust system.

Specifications and technical data

• SKU: A1648850525
• 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 diffuser

The rear bumper trim in the form of a double diffuser has been designed specifically for Mercedes X164 models, with the rear of the bodywork in mind. This component is responsible for the aesthetic framing of the exhaust area, while simultaneously streamlining airflow under the car, which is important at higher speeds and affects vehicle stability.

The black color makes it easy to match with most styling configurations – both for stock bumpers and those that have undergone visual modifications. Thanks to its factory geometry, the diffuser works well with the bumper line, maintaining consistency with other body components.

Construction and body fitment

The double diffuser is constructed as a dedicated rear bumper trim, which translates into precise fitment with factory mounting points. This solution minimizes the need for modifications and allows for installation based on the original body geometry.

• Component designed for installation in the rear area of the vehicle.
• Black surface, blending well with factory bumpers.
• Double diffuser layout, prepared for configurations with dual exhaust tips.

This design ensures that the trim can be used both for post-accident repairs and for visual upgrades, where maintaining the original Mercedes styling line is essential.

Application in repairs and modifications

The diffuser is suitable for situations where it is necessary to replace a damaged rear bumper trim or when the vehicle owner plans to change the exhaust system configuration to a dual-tip variant. Using this component allows for maintaining the car's factory character while reducing costs compared to new parts.

In practice, this means the possibility of:

• restoring the original appearance of the rear bodywork after a collision,
• performing a visual "facelift" of the vehicle by installing a double diffuser,
• adjusting the bumper area to a modified exhaust system.

If you want to better understand the differences between new and used body and exhaust system components, it is worth checking out our guide: Car parts – new or used? Comparing costs, quality, and durability.

Benefits of choosing an original Mercedes component

Choosing an original rear bumper trim from Mercedes means maintaining compatibility with the vehicle's factory construction. Proper geometry, correct mounting points, and fitment to the body line reduce the risk of installation issues and unwanted stress in the bumper area.

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

Summary

Mercedes X164 Rear Bumper Diffuser Trim Cover Double Exhaust is a functional, original body component that allows for an aesthetic finish to the rear of the vehicle and adaptation for a dual exhaust configuration. The black diffuser designed for rear installation is a good solution for both repairs and visual modifications, preserving the characteristic styling of the Mercedes brand.