Description
Visual condition of the part
The product shows signs of use visible in the photos.
Wheel Arch Mercedes Vito Viano W639 Front Wheel Trim Panel Right O/S is a factory-made body component designed to protect the front right wheel arch from water, mud, and debris. Thanks to its precise fit for the Vito W639 design, it ensures stable mounting, improves the durability of suspension components, and helps keep the wheel well clean. It is a practical solution for users who expect assembly consistency, solid protection, and compliance with the original body geometry.
Specifications and technical data
- SKU: A6396843377
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6396843377
- Substitutable numbers: A6396843377, A 639 684 33 77
- Location on the vehicle: Front, Right
- Category: Splash Guards & Mud Flaps
Purpose and function of the wheel arch liner
The presented cover is dedicated to the front right wheel area in the Mercedes Vito W639. Its task is to limit direct contact of suspension components, electrical installations, and body parts with water, road salt, and small stones. Such a solution reduces the risk of accelerated corrosion, protects wires and connectors, and contributes to stable operating conditions for components within the wheel arch.
The item from the Mudflaps category also acts as a barrier against debris thrown by the rotating wheel, which translates into more predictable operating conditions in daily driving, especially on roads with poor surfaces.
Construction and fit for the Mercedes Vito W639
The cover has been designed specifically for the body geometry of the Vito W639, taking into account the shape of the wheel arch, mounting points, and the routing of factory installations. As a result, the installation process is orderly, without the need for modifications or “forcing” the part into place.
Key design features include:
- profiling consistent with the body line in the front right wheel area,
- designated mounting points for factory clips and screws,
- maintenance of appropriate rigidity while retaining operational flexibility,
- compatibility with factory covers and adjacent components within the wheel arch.
Such a fit promotes quick installation and reduces the risk of looseness or unwanted vibrations while driving.
Performance characteristics and installation benefits
As a used part, the wheel arch liner retains the functionality required for further use, representing a reasonable compromise between cost and maintaining the vehicle’s original specifications. Replacing a damaged or missing cover with an original component of this type allows you to:
- limit the splashing of water and mud onto suspension and body elements,
- reduce exposure to corrosion at critical structural points,
- maintain factory airflow within the wheel arch,
- preserve a consistent appearance and completeness of the wheel housing.
For workshops and individual users, this means predictable installation and the ability to restore the vehicle to a state close to factory condition without the need for aftermarket replacements with uncertain fitment.
Why choose original Mercedes components
Using original components in a Mercedes, even in a used version, promotes the technical consistency of the vehicle and reduces the risk of installation problems. The original wheel arch liner is designed taking into account specific loads, suspension operation, and operating conditions typical for the Vito W639, which translates into predictable performance over a long period of use.
If you want to better understand the benefits of choosing original used components from this brand, it is worth reading our guide: Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?. The article discusses practical aspects of operating and servicing Mercedes vehicles using factory elements from the secondary market.
Expanding body protection in the Mercedes Vito
If you are planning a comprehensive repair or upgrade of the wheel arch area and lower body protection in your Mercedes and need other elements from the same group, such as additional covers, protective profiles, or supplementary mud shields, check out the available parts in the Mercedes Mudflaps category.





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