Mercedes X156 Wheel Arch Housing Wheel Mud Cover Rear Left N/S A1566900330

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes X156 Wheel Arch Housing Wheel Mud Cover Rear Left N/S is an original body component from the Mudflaps group, designed for installation in the rear left section of the vehicle. It provides effective protection for the wheel arch and wheel area against water, mud, and minor mechanical damage, which positively impacts the durability of suspension and body components. This used OEM part is a sensible choice for drivers looking for a technically compatible solution at an attractive price.

Specifications and technical data

• SKU: A1566900330
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1566900330
• Substitutable numbers: A1566900330, A 156 690 03 30
• Location on the vehicle: Rear, Left
• Category: Splash Guards & Mud Flaps

Purpose and body fitment

The presented wheel arch housing has been designed specifically for the X-series models from the Mercedes range, taking into account the rear axle geometry and factory mounting points. Its placement in the rear-left area ensures proper adhesion to the body and compatibility with original covers, the bumper, and suspension components.

Thanks to its precise profile, the wheel arch housing effectively channels debris away from under the wheel, limiting the accumulation of moisture and dirt in critical structural areas. This translates into better anti-corrosion protection and stable operating conditions for nearby components.

Protective function and benefits of installation

The wheel arch housing performs a key protective function in the wheel area, safeguarding:

• the inner part of the body against water, mud, and road salt,
• suspension components and shock absorber mounts against excessive dirt,
• cables and installations routed within the wheel arch area against direct exposure to external factors.

Replacing a worn or damaged wheel arch housing with an original part from the Mudflaps group allows you to restore factory-level protection, reduce the risk of accelerated corrosion, and improve the aesthetics of the wheel well. This is particularly important when operating in difficult road conditions, where the wheel arch housing is constantly exposed to water and contaminants.

Characteristics of the used OEM component

The offered component is a used part sourced from dismantling, which means it retains the original geometry and mounting points specified by the manufacturer. This type of solution is beneficial for users who expect:

• factory fitment to the body structure,
• a consistent look with other protective elements,
• a reasonable compromise between quality and purchase cost.

Choosing an original wheel arch housing instead of a replacement minimizes the risk of installation issues, improper fitment, or unwanted vibrations while driving. It is a practical solution for workshops and individual users who prioritize technical correctness in repairs.

Importance of correct vehicle placement

Placement in the rear zone, on the left side of the vehicle, is important for both safety and operational comfort. A correctly selected wheel arch housing:

• protects the wheel well against the direct stream of water and stones thrown by the tire,
• reduces noise generated by impacting debris,
• supports cleanliness in the area of suspension and body mounts.

Precise fitment to the specific side of the vehicle is crucial – using the correct component for the left side of the rear axle ensures compliance with the factory design and eliminates the need for installation modifications.

Selection support and additional materials

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

For users interested in a broader context of selecting used braking system components and parts operating in difficult conditions, a guide describing the principles of safely purchasing such parts may be useful – you can find it in the article Second-hand braking system: how to safely select discs, calipers, and ABS?.