Mercedes X156 Wheel Arch Housing Rear Right O/S Wheel Mud Cover A1566900430

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes X156 Wheel Arch Housing Rear Right O/S Wheel Mud Cover is an original body component from the Mud Flaps group, designed for installation in the rear right section of the vehicle. It provides effective protection for the wheel arch against water, mud, and minor mechanical damage, stabilizing the operating conditions of suspension components and the body structure.

Specifications and technical data

• SKU: A1566900430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1566900430
• Substitutable numbers: A1566900430, A 156 690 04 30
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and function of the wheel arch housing

The rear right wheel arch housing in Mercedes X156 models is responsible for shielding the inner part of the wheel well from road debris. It limits direct contact of water, salt, and stones with structural elements, which helps maintain stable suspension geometry and reduces the risk of accelerated corrosion.

The component is mounted in the rear right section of the body, working in conjunction with the fender, bumper, and suspension mounts. A properly fitted wheel arch housing also facilitates subsequent vehicle servicing – access to components in this area is more predictable, and dirt accumulates in a controlled manner.

Benefits of using an original Mercedes wheel arch housing

Choosing an original rear right wheel arch housing for the Mercedes X156 ensures factory-standard fitment with other body panels. The shape, mounting points, and geometry are consistent with the manufacturer's design, which minimizes the risk of incorrect installation and unwanted stress on the bodywork.

• better fitment to factory holes and mounting brackets,
• stable wheel guidance within the shielded workspace,
• reduction of water and mud spray onto suspension and body components,
• maintenance of a consistent appearance for the inner part of the wheel well.

Thanks to the preservation of the original wheel arch geometry, the flow of debris and water within the wheel well is predictable, which promotes even drainage of dirt and facilitates periodic cleaning of this area.

Installation characteristics and condition of the component

The presented rear right wheel arch housing is a used component, which in practice means it comes from vehicle dismantling and may show signs of wear typical for this group of parts. This type of component is a good solution for post-accident repairs, replacing a damaged cover, or restoring full wheel well protection after bodywork interventions.

The location on the vehicle is specified as the rear right side, which facilitates precise matching to the specific mounting position. In practice, this translates to faster installation without the need to modify mounting points or interfere with the body structure.

Application in service and body repairs

Replacing the rear right wheel arch housing is particularly recommended after mechanical damage within the wheel well, after collisions, or in cases of advanced cover corrosion. Using an original element from the Mud Flaps group allows for restoring proper protection of this zone, which is important for both the durability of the body and the subsequent resale value of the vehicle.

If you are planning a comprehensive repair or upgrade of the rear wheel arch zone in your Mercedes and need other elements from the same group, such as covers, mud flaps, or additional protective panels, check the available parts in the Mercedes Mud Flaps category.

Practical tips for users and service centers

When selecting a rear right wheel arch housing for the Mercedes X156, it is worth paying attention to compatibility with the body version and suspension configuration. An original element from this group facilitates maintaining structural and visual consistency, and also reduces the time required for adjustment during installation.

For users interested in a broader context of purchasing components from the secondary market, including elements of greater technical significance, a guide on verifying the condition of used sub-assemblies may be helpful – especially for more complex powertrain repairs. For this purpose, it is worth reading the material: How to buy a used car engine and not get scammed – a step-by-step guide.