Mercedes W177 Wheel Arch Housing Rear Right O/S Wheel Mud Cover A1776905403

Mercedes W177 Wheel Arch Housing Rear Right O/S Wheel Mud Cover is an original body component from the Mud Flaps category, designed to protect the rear right wheel arch area in W177 series models. The carefully designed geometry of the cover helps to effectively reduce dirt accumulation and the impact of external factors on suspension components and the inner part of the fender.

Specifications and technical data

• SKU: A1776905403
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1776905403
• Substitutable numbers: A1776905403, A 177 690 54 03
• Location on the vehicle: Rear, Right
• Category: Splash Guards & Mud Flaps

Purpose and function of the component

The rear right wheel arch housing for the Mercedes W177 plays a key role in protecting the wheel zone from water, mud, road salt, and small stones. Thanks to its tailored design, the cover stabilizes the flow of debris within the wheel arch, which helps maintain the paintwork and suspension components in this area in better condition.

Its placement on the rear right side of the vehicle allows for precise alignment with factory mounting points, which facilitates installation and reduces the risk of unwanted vibrations or noise while driving.

Construction and fitment for Mercedes W177

The wheel arch cover has been designed specifically for the W177 platform, ensuring proper profiling relative to the shape of the fender, bumper, and suspension components. Such a design helps maintain proper clearances, does not restrict wheel movement, and does not interfere with the factory body geometry.

The precise fit for the specific mounting location on the rear right side of the vehicle translates into stable seating of the component and reduces the need for additional modifications during installation.

Condition and performance characteristics

The item comes from the used body parts category, making it an attractive solution for users looking for a factory component at a reasonable price. A used wheel arch cover is a good solution for post-accident repairs, replacing a damaged part, or restoring full protection of the wheel zone after years of use.

Choosing an original cover from the secondary market allows you to maintain the structural integrity of the body while reducing costs compared to purchasing a new part.

Application in service practice

The rear right wheel arch housing in the Mercedes W177 is particularly important for:

• repairs after mechanical damage in the area of the rear right wheel,
• body restoration after corrosion in the wheel arch zone,
• preparing the car for further use in difficult road conditions,
• comprehensive refreshing of underbody and wheel well protection.

A well-fitted wheel arch cover helps limit the ingress of debris into the bodywork, which can positively influence the durability of metal components and acoustic comfort inside the cabin.

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

Additional information and tips

When replacing the wheel arch cover, it is worth paying attention to the condition of the mounts, clips, and adjacent body elements to ensure that the installation proceeds smoothly and provides stable seating for the part. It is also good practice to clean and apply anti-corrosion protection to the surfaces hidden behind the wheel arch before installing the new cover.

If you are considering broader vehicle modifications and want to combine the replacement of body parts with other work, you will find useful tips in the article Tuning with used parts – how to gain performance without spending a fortune, which discusses a practical approach to using components from the secondary market.