Mercedes W176 W246 Wheel Arch Housing Wheelhouse Rear Right O/S A1766900430

Mercedes W176 W246 Rear Right Wheel Arch Liner is an original body part from the mud flaps category, designed for installation in the rear right section of the vehicle. It provides effective protection for the wheel arch and suspension components against water, mud, and minor mechanical damage, improving the durability and aesthetics of the undercarriage.

Specifications and technical data

• SKU: A1766900430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1766900430
• Substitutable numbers: A1766900430, A 176 690 04 30
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and Function of the Wheel Arch Liner

The rear right wheel arch liner in W176 and W246 series models is responsible for shielding the wheel well from road debris, salt, and moisture. A correctly fitted part reduces the risk of corrosion on sills, floor panels, and suspension mounts, and also stabilizes airflow around the wheel, contributing to smoother operation of the running gear.

Thanks to its precise fit for specific Mercedes vehicle generations, the wheel arch liner maintains correct geometry, does not interfere with the tire or braking components, and allows for seamless installation at factory mounting points.

Construction and Fit for Mercedes W176 / W246

This part is designed as an integral component of the original body protection system for Mercedes compact class vehicles. The wheel arch liner's construction includes:

• a shape tailored to the rear right wheel well,
• a profile that allows for proper drainage of water and mud,
• provisions for factory mounting points, facilitating easy installation and service removal.

This design ensures consistency with other undercarriage and wheel arch covers, and also minimizes the occurrence of unwanted vibrations or rattles during driving.

Vehicle Placement and Installation Aspects

The wheel arch liner is intended for installation in the rear – right side of the vehicle. In practice, this means the part works in conjunction with the right rear suspension, braking system, and the exterior bodywork within the fender area.

When installing, pay attention to:

• cleaning the bodywork surface where the wheel arch liner contacts the car body,
• checking the condition of the factory clips and fasteners,
• correctly positioning the edges of the wheel arch liner relative to the fender and bumper.

This approach minimizes the risk of future looseness and ensures a stable fit of the component during operation.

Characteristics of a Used Product

The offered part comes from the used parts segment, allowing for economical vehicle repair while maintaining original manufacturer specifications. A used wheel arch liner is a good solution in situations where mechanical damage, cracking, or excessive wear of the existing cover has occurred.

Choosing an original used wheel arch liner promotes factory-level fit with the car body and reduces the need for additional modifications or adjustments for aftermarket alternatives with different geometries.

Benefits of Using an Original Wheel Arch Liner

Using the rear right wheel arch liner specifically designed for the W176 and W246 series offers a range of practical benefits:

• Corrosion Protection – limiting direct contact of water, salt, and stones with the structural components of the body.
• Stable Fit – maintaining the correct position relative to the wheel and fender, without rubbing against the tire.
• Consistency with Factory Construction – the wheel arch liner integrates with other covers and mud flaps, forming a complete undercarriage protection system.
• Economical Repair – the ability to restore full wheel arch liner functionality without the need to invest in a new part.

Other Mercedes Mud Flaps and Technical Materials

If you are also looking for other Mercedes mud flaps tailored to specific models of this brand, check out the offer in the category: Mercedes mud flaps. There you will find a wide selection of body protection elements that will allow you to comprehensively secure the wheel and undercarriage areas.

Are you interested in the topic of selecting used OEM parts and their impact on vehicle handling? See the guide article Go-Kart Feeling XXL – Comparison of Used N18 and B48 Turbochargers in Mini Cooper S, which discusses practical aspects of choosing and installing aftermarket components.