Mercedes R231 Rear Wheel Arch Cover Housing Left N/S A2316900930

Mercedes R231 Rear Wheel Arch Cover Housing Left N/S is an original body component from the Mudflaps group, designed for installation on the left side of the rear axle. Specifically engineered for the R231 structure, it provides proper protection for the wheel arch against water, mud, and minor mechanical damage, improving the durability of suspension components and bodywork.

Specifications and technical data

• SKU: A2316900930
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2316900930
• Substitutable numbers: A2316900930, A 231 690 09 30
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The rear left wheel arch housing is responsible for controlled drainage of debris from under the wheel and limiting direct contact of water and road salt with structural elements. A properly selected wheel arch panel:

• stabilizes airflow in the wheel area,
• reduces the risk of corrosion in the wheel arch and sill zone,
• protects electrical harnesses and suspension mounts from dirt.

Thanks to its precise fit for the specific R231 body model, the component maintains factory geometry and requires no installation modifications.

Body fitment and installation

The rear left wheel arch panel is prepared for installation at factory mounting points, which facilitates service work and reduces replacement time. Placement on the vehicle: rear – left side allows for clear identification of the correct mounting position and avoids errors when selecting parts.

The component is intended for Mercedes vehicles, ensuring compliance with factory dimensional tolerances and the aerodynamic characteristics of the body. In practice, this means a secure fit with the wheel arch, bumper, and adjacent panels, without the need for additional adjustments.

Performance characteristics and benefits

Replacing a damaged or missing wheel arch housing with an original rear left wheel arch panel for the R231 brings tangible operational benefits:

• Better body protection – limiting the accumulation of mud and stones in the wheel arch zone.
• Stable mounting – design intended for standard brackets and clips.
• Consistent body appearance – maintaining a uniform wheel arch line and the aesthetics of the vehicle's rear section.

The component from the Mudflaps category acts here as a wheel arch cover, supporting the protection of paintwork and suspension sub-assemblies in daily operation.

Part condition and economic aspect

The part is offered in used condition, which allows for economical restoration of full wheel arch functionality while maintaining the manufacturer's original specifications. For many users, this is a reasonable compromise between repair costs and the quality of the body component fitment.

If you want to better plan your service budget and understand when it is worth choosing used OEM parts, the following article will be helpful: Rising repair costs and the boom in used parts – how to save on car service?.

Expanding the wheel arch protection zone in your Mercedes

If you are planning a comprehensive repair or upgrade of the wheel arch zone in your Mercedes and need other components from the same group, such as additional covers, wheel arch panels, or supplementary mudflaps, check the available parts in the Mercedes Mudflaps category.