Mercedes W177 Underfloor Rear Cover Undertray Shield Protection A1776901402

Visual condition of the part

The product shows signs of use visible in the photos.

Mercedes W177 Underfloor Rear Cover Undertray Shield Protection is an original body component designed for installation in the rear undercarriage, providing effective protection for the vehicle's structure. Thanks to its precise fit to Mercedes standards, it supports the car's aerodynamic stability and reduces the exposure of components to dirt and external factors. This used component allows for an economical yet technically correct repair of the rear zone.

Specifications and technical data

• SKU: A1776901402
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1776901402
• Substitutable numbers: A1776901402, A 177 690 14 02
• Location on the vehicle: Rear
• Category: Splash Guards & Mud Flaps

Purpose and function of the rear underfloor cover

The described cover has been designed specifically for the W177 series model and is mounted in the rear part of the undercarriage. Its task is to limit direct contact of structural elements with water, mud, and small debris, which helps maintain stable operating conditions for the components. Additionally, the properly shaped surface can support airflow under the car, which translates into more predictable vehicle behavior at higher speeds.

Benefits of using an original Mercedes cover

Using an original rear underfloor cover in a Mercedes vehicle offers a number of practical advantages:

• secure fit to the mounting points on the body,
• preservation of the factory geometry of the undercarriage zone,
• reduction of the risk of unwanted vibrations and noise,
• easier removal and reinstallation during service work.

As a result, replacing a damaged cover with an original part allows for restoring proper protection of the rear undercarriage without the need for structural modifications. This solution is particularly beneficial for users who want to keep the vehicle in a configuration consistent with the manufacturer's specifications.

Mounting characteristics and application in the rear part of the vehicle

The cover is intended for installation in the rear area, which is important both for protecting suspension elements and parts of the body located in the lower zone. A properly installed panel helps reduce the accumulation of dirt in hard-to-reach places, which facilitates subsequent inspections and service work. The used component, after proper condition verification, can be an effective way to restore the completeness of the undercarriage shielding in a car used on a daily basis.

Selecting the cover for a specific vehicle

To ensure proper compatibility, it is worth comparing the shape and mounting method of the cover with the element currently installed in the car before purchasing. It is also helpful to check compliance with the manufacturer's markings, which are available in the technical specifications section. This approach minimizes the risk of selecting the wrong component and speeds up the installation process in a workshop or during self-replacement.

Expanding upgrades within Mercedes Mud Flaps

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

More practical information about used parts

If you are considering a wider use of aftermarket components in your car and want to better understand when choosing a used subassembly is technically justified, the guide on the charging system may be helpful – you can find it in the article When is it worth replacing an alternator with a used one: a practical guide for drivers. Although it concerns a different component, it shows an approach to the conscious choice of used parts in modern vehicles.