Underfloor Cover Mercedes R171 R172 Engine Undertray Rear Petrol A1725240430

Visual condition of the part

The product shows signs of use visible in the photos.

Underfloor Cover Mercedes R171 R172 Engine Undertray Rear Petrol is a factory-original body component designed for petrol engine models. It ensures organized airflow under the vehicle, protects the rear part of the engine bay and the floor from contaminants, and contributes to stable operating conditions for vehicle components. It is a practical solution for drivers who want to keep their chassis structure in good operational condition.

Specifications and technical data

• SKU: A1725240430
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1725240430
• Substitutable numbers: A1725240430, A 172 524 04 30
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Splash Guards & Mud Flaps

Purpose and technical function

The described rear underfloor cover is designed specifically for Mercedes R171 and R172 roadsters with petrol engines. Mounted in the rear part of the vehicle, it complements the factory chassis protection package, limiting direct contact of structural elements with water, mud, road salt, and small stones.

This component also supports the stabilization of airflow under the car, which is important for the exhaust system and the rear part of the engine bay. As a result, components operate in more predictable temperature conditions, and the vehicle's floor is better protected against dirt from the road surface.

Benefits of installing the rear underfloor cover

Using the rear underfloor cover in a Mercedes R171/R172 with a petrol engine provides a number of practical operational benefits:

• reduction of dirt and moisture accumulation in the rear part of the chassis,
• better protection of structural elements and suspension mounts against external factors,
• more organized airflow under the vehicle,
• reduced risk of mechanical damage from small stones and debris.

For owners of cars used year-round, especially in urban conditions and on roads with poorer surface quality, such a rear chassis zone cover is a sensible addition to body protection.

Installation characteristics

The cover is intended for installation in the rear part of the vehicle, using factory-prepared mounting points. This ensures compatibility with the original chassis geometry and proper fitment with other protective elements. The design, tailored to petrol versions, allows for seamless integration with the exhaust system and other components located in this zone.

As an original Mercedes brand component, the cover is designed to maintain proper rigidity and resistance to typical operational loads encountered in the rear chassis area of a sports car/roadster.

Condition and practical application

The presented item falls under the Mudflaps category, which highlights its role in limiting water and mud splashes in the rear part of the vehicle. A used component of this type is a good choice for drivers who want to restore the completeness of the chassis covers after damage or removal of the previous element, while maintaining a reasonable cost level.

In daily use, such a cover helps keep the rear floor and structural elements in a more predictable condition, which can facilitate future service work and limit the rate of dirt accumulation and corrosion in this zone.

Related items and additional information

If you are planning a comprehensive repair or upgrade of the chassis protection zone in your Mercedes and need other elements from the same group, such as additional covers, protective panels, or water splash guards, check the available parts in the Mercedes Mudflaps category.

If you are interested in a broader context of vehicle operation and component repair, including the selection of used parts, a driver's guide regarding the alternator 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.