Mercedes-Benz C-Class CL203 W203 Rear Right O/S Wheel Arch Trim Cover Panel

Mercedes-Benz CL203 W203 Wheel Arch Liner Right Rear is an original body part from the Mercedes group, designed for installation on the rear right side of the vehicle. This used wheel arch liner provides robust protection for the body and suspension components against water, mud, and debris, supporting proper vehicle operation and maintaining correct wheel arch geometry. Due to its factory origin, it is a practical solution for accident repairs or restoration.

Specifications and technical data

• SKU: A2036981830
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2036981830
• Substitutable numbers: A2036981830, A 203 698 18 30
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and Body Fitment

The rear right wheel arch liner has been specifically designed for the CL203/W203 body series. The part is contoured to the specific geometry of the rear wheel arch, allowing for secure mounting to factory attachment points and proper adhesion to the body panel and internal components.

Its placement on the vehicle, specified as rear – right side, facilitates unambiguous part identification during selection and installation. This minimizes the risk of ordering errors and reduces workshop time.

Protective and Operational Function

The wheel arch liner plays a crucial role in protecting the rear bodywork, as well as suspension and braking system components. A correctly installed liner:

• limits the ingress of water, mud, and road salt into the wheel arch cavity,
• supports anti-corrosion protection of the body structure,
• stabilizes debris flow, facilitating cleanliness in the wheel area,
• reduces the risk of mechanical damage to hoses and mounts within the wheel arch.

For vehicles used year-round, especially in urban conditions and on roads with poor surfaces, a functional wheel arch liner is an important element in maintaining the vehicle in good technical condition.

Product Category and Service Application

The presented part belongs to the Window Regulators and Motors category, but in practice, it functions as a rear right wheel arch liner. It can be used for standard body and mechanical repairs, as well as for comprehensive vehicle reconstruction after a collision. A used OEM part is a sensible choice wherever maintaining factory fit is important while optimizing service costs.

Benefits of Using an Original Wheel Arch Liner

Choosing an original wheel arch liner for a Mercedes offers a range of practical benefits:

• Factory Fitment – construction compliant with the vehicle manufacturer's design, requiring no modifications.
• Stable Mounting – designed for factory mounting points, facilitating quick installation and removal.
• Consistency with Other Body Parts – maintains the correct wheel arch line and compatibility with other covers and linings.
• Cost-Effective Repair – a used OEM part allows for reduced expenses compared to a new part, while maintaining correct functionality.

Condition and Installation Recommendations

The part is offered as used, which means it comes from a dismantled vehicle and may show signs of normal wear and tear that do not affect its protective function. Before installation, a standard workshop inspection is recommended, along with cleaning the surface and verifying the mounting points on the vehicle. A correctly installed wheel arch liner contributes to maintaining the bodywork in good condition and reducing future body repair costs.

If you are looking for other parts in the Mercedes Window Regulators and Motors category, check out the Mercedes window regulators and motors available in our store to select components tailored to your specific car model.

For drivers interested in a broader perspective on premium car maintenance and potential service costs, we recommend the guide article BMW E90 Faulty Engines – Find Out What Can Ruin Your Budget, which helps in better planning vehicle upkeep expenses.