Mercedes R172 Rear Bumper Side Cover Mud Flap Left N/S A1728852723

The Mercedes R172 Rear Bumper Splash Guard Left Rear is a precisely designed body component that effectively protects the rear bumper from dirt and damage originating from the wheel. Thanks to its factory fitment to the Mercedes construction, it ensures proper channeling of water, mud, and small stones, supporting the maintenance of stable vehicle aerodynamics. This is a practical solution for users who expect seamless installation with original mounting points and preservation of the rear body aesthetics.

Specifications and technical data

• SKU: A1728852723
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728852723
• Substitutable numbers: A1728852723, A 172 885 27 23
• Location on the vehicle: Rear, Left
• Part type: Bumper Cover
• Category: Bumper Inserts & Covers

Purpose and Function of the Component

The rear bumper splash guard is designed for operation in the rear axle area, on the left side. Its purpose is to limit direct contact of water streams, mud, and small debris with the bumper surface and adjacent body elements. Its properly designed shape supports:

• protection of the rear bumper's paintwork from excessive soiling,
• reduction of the risk of chipping from small stones,
• stable drainage of water and debris from the wheel area,
• maintenance of correct airflow geometry at the rear of the vehicle.

Its placement on the vehicle in the rear-left zone means this component operates in close proximity to the wheel, where operational loads are particularly high.

Benefits of Using an Original Splash Guard

Using a splash guard dedicated to a specific Mercedes generation allows for maintaining the structural integrity of the bodywork. The appropriately selected profile and mounting points translate to:

• secure fitment with the rear bumper and adjacent elements,
• no need for modifications or adaptation of universal solutions,
• preservation of the factory body line and the aesthetic appearance of the rear of the vehicle,
• easier removal and reinstallation during service work on the bumper.

This component, from the Bumper Inserts and Guards category, plays a significant protective role while also supporting the maintenance of the vehicle's visual condition during everyday use.

Mounting and Operational Characteristics

The rear bumper splash guard intended for the left rear side of the vehicle is structurally prepared to work with factory brackets and mountings in the body. This ensures an organized installation process, without the need to interfere with the bumper or wheel arch structure. Proper positioning relative to the wheel and bumper edge allows for:

• effective capture of debris thrown by the tire,
• reduction of water splash onto the rear of the vehicle,
• less frequent washing and maintenance of the bumper,
• more even load on the paintwork during driving in rain or on unpaved roads.

This solution is particularly useful in vehicles used year-round, where the rear bumper is exposed to the intense effects of road salt, mud, and small stones.

Condition of the Component and Practical Application

The offered rear bumper splash guard is a used part, which in practice means a favorable combination of functionality with an attractive price compared to a new component. For many users, this is a rational choice for post-accident repairs, replacement of damaged elements after contact with an obstacle, or during gradual body renovation. Replacing a worn or cracked splash guard with a functional equivalent allows for restoring:

• proper protection of the rear bumper,
• a cohesive appearance of the left rear body zone,
• factory channeling of debris and water around the wheel.

Expanding the Rear Body Zone Modernization

If you are planning a comprehensive repair or modernization of the rear bumper area in your Mercedes and need other parts from the same group, such as additional guards, inserts, or protective panels, check the available parts in the Mercedes Bumper Inserts and Guards category.

If you want to better understand how to select components by OEM numbers, what to look for when buying used parts, and how to assess their compatibility, the guide in our knowledge section will be helpful: Used Automotive Electronics – How to Make Informed Choices for Modules and Sensors.