Mercedes-Benz C-Class CL203 W203 Rear Left N/S Wheel Arch Trim Cover Panel

The Left Rear Wheel Arch Liner for Mercedes-Benz C-Class CL203/W203 is an original body part designed for installation on the rear driver's side. This part is sourced from a dismantled vehicle, ensuring factory fitment and geometry while offering an economical solution for accident repairs or restorations. Its manufacturer-standard construction provides proper protection for the wheel well against dirt and moisture.

Specifications and technical data

• SKU: A2036981730
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036981730
• Substitutable numbers: A2036981730, A 203 698 17 30, BG
• Location on the vehicle: Rear, Left

Intended Use and Function of the Part

The wheel arch liner described is designed for the rear left side of the body in Mercedes C-Class models of the CL203/W203 generation. Its purpose is to prevent water, mud, road salt, and small stones from entering the wheel arch area, thus protecting suspension components, wiring, and bodywork from accelerated corrosion.

By maintaining the original mounting geometry, the part ensures proper airflow and debris management within the wheel area, contributing to stable operating conditions for the components located there.

Compatibility with Mercedes-Benz C-Class CL203/W203

This liner is specifically designed for the CL203/W203 C-Class body, meaning its mounting points, shape, and profiling are compliant with the manufacturer's factory specifications. The absence of modification or adjustment requirements translates to:

• Secure mounting at original body points,
• Seamless integration with other wheel arch components,
• Preservation of the manufacturer-specified corrosion protection in this area.

For certainty in selection, it is recommended to verify compatibility using manufacturer markings or by comparing the shape with the removed part.

Characteristics of the Used Part

The offered wheel arch liner is a used part, sourced from a donor vehicle. Such body components, when retaining their correct structure and mounting points, serve well as replacements for mechanical damage, cracks, or missing sections in the original liner. A used part helps maintain material consistency with other body parts and reduces repair costs while adhering to OEM standards.

Benefits of Using an Original Wheel Arch Liner

Installing the original rear left wheel arch liner on a Mercedes-Benz C-Class CL203/W203 offers several practical advantages:

• Protection for Body and Suspension – Minimizes direct contact of metal and components with water, mud, and salt.
• Stable Fitment – The original shape and mounting points reduce the risk of vibrations, tire rubbing, or looseness.
• Vehicle Construction Consistency – Maintains the manufacturer-specified wheel arch assembly, which is important for repairs compliant with service guidelines.

For users who prioritize the technical and visual condition of their vehicle, this solution allows for the restoration of proper wheel arch assembly after operational damage or collisions.

Professional Part Selection and Additional Resources

To select the correct wheel arch liner for a specific body version and year, it is advisable to consult manufacturer markings and vehicle data. For other components, especially safety-related ones, specialized guides can be helpful. If you are also considering purchasing used brake system components, refer to the guide: How to Safely Select Used Discs, Calipers, and ABS Components from a Store like Global Parts, where you will find a practical checklist and tips for verifying part condition.