Mercedes SLK R172 Roadster Rear Bumper Vent Flap Right O/S A 1728300142

The Mercedes SLK R172 Rear Bumper Right Ventilation Flap is an original body part from the Bumper Inserts and Covers group, designed for installation on the rear right side of the vehicle. It ensures proper air circulation from the space behind the bumper, contributing to stable body component operation and an aesthetic finish for the rear of the car. This is a practical solution for users who want to restore the factory functionality and cohesive appearance of the rear bumper on their Mercedes SLK R172.

Specifications and technical data

• SKU: A1728300142
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1728300142
• Substitutable numbers: A1728300142, A 172 830 01 42
• Location on the vehicle: Rear, Right
• Category: Bumper Inserts & Covers

Purpose and Function of the Component

The rear bumper ventilation flap is responsible for controlled airflow and pressure equalization in the rear part of the body. Its placement in the rear – right side area allows for a perfect fit with the factory bumper shape of the SLK R172 model, without requiring any modifications. The element serves both a technical and protective function, organizing the space behind the bumper and limiting the ingress of dirt into the structure.

Construction and Fit for Mercedes SLK R172

The flap has been specifically designed for the Mercedes SLK R172 generation body, maintaining the correct mounting geometry and shape that interfaces with the rear bumper. Thanks to this:

• it fits the factory mounting points on the right rear side of the vehicle,
• it maintains a consistent line flow with the bumper and adjacent components,
• it ensures proper sealing and the airflow direction intended by the manufacturer.

Its original Mercedes origin promotes compatibility with other body components and minimizes the risk of installation issues typical of aftermarket parts.

Condition, Application, and Benefits of Installation

The offered ventilation flap is a used component, making it a sensible choice for collision repairs or restoring the completeness of the rear bumper without the need to invest in a new part. It is particularly useful in situations where:

• the right ventilation flap was damaged or lost as a result of a collision,
• the bumper was disassembled and some cover parts are missing,
• it is necessary to restore proper airflow behind the bumper.

Installing a correctly matched flap improves the completeness of the rear body structure, reduces unwanted vibrations of cover elements, and helps maintain the manufacturer-intended operating conditions in the bumper area.

Support for Selection and Bumper Area Expansion

If you are planning a comprehensive repair or upgrade of the bumper area on your Mercedes and need other parts from the same group, such as inserts, covers, or additional panels, check the available parts in the Mercedes Bumper Inserts and Covers category.

For extensive service work, it is advisable to plan your purchases in one place and select a complete set of body components based on original manufacturer solutions. To better plan such activities and learn about the benefits of a One-Stop-Shop approach, see the article: Comprehensive Sourcing of Used Car Parts – A Practical Guide.

Summary

The Mercedes SLK R172 Rear Bumper Right Ventilation Flap is a functional component from the Bumper Inserts and Covers group, designed for the right side of the rear body. It allows for the restoration of proper ventilation to the space behind the bumper, maintaining the factory appearance, and organizing the structure in this area of the vehicle. It is a practical solution for users who expect compliance with the original Mercedes SLK R172 design and want to technically correctly replace a missing or damaged rear bumper element.