Mercedes R172 Rear Parking Assistant Sensor Display Buzzer Alert A1725420123

The Mercedes R172 Rear Parking Sensors Display Alarm is an original parking assistance system component designed for installation on the rear of the vehicle. The kit provides the driver with a clear display and an audible alarm, which facilitates maneuvering in tight spaces and reduces the risk of bodywork damage. By maintaining the factory specifications, the parking sensor system interacts with the car's electronics in a predictable and stable manner.

Specifications and technical data

• SKU: A1725420123
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1725420123
• Substitutable numbers: A1725420123, A 172 542 01 23
• Location on the vehicle: Rear
• Category: Parking Sensors

Purpose and Function of the Rear Parking Sensor System

The presented component belongs to the parking sensors category and is designed to operate in the rear zone of the vehicle. Its task is to monitor the space behind the car while reversing and transmit information to the display and the audible signal. This solution enhances maneuver safety, especially in conditions of limited visibility, during parallel parking, or in narrow garages.

The system works with the factory electrical installation, ensuring consistent operation with other vehicle systems. Appropriately selected sensor operating parameters allow for precise detection of obstacles of various sizes and distances.

Benefits of Using Original Mercedes Parking Sensors

Using an original solution dedicated to Mercedes R172 models offers a number of practical advantages:

• factory fit for the electrical installation and vehicle architecture,
• consistent operation of the display and audible alarm with other comfort systems,
• preservation of the vehicle's original functionality after repair or replacement of the component,
• stable operation in typical urban and non-urban driving conditions.

This provides the driver with predictable, repeatable information about the distance to obstacles, leading to more comfortable and informed rear maneuvering.

Condition, Origin, and Economic Aspect

The component comes from the group of used Mercedes parts, which significantly reduces repair costs compared to purchasing a new part while maintaining original specifications. For many users, this is a sensible compromise between quality and budget, especially for complex electronic systems such as parking systems.

Choosing a used OEM component is particularly beneficial when we want to preserve factory functionality without the need to adapt universal aftermarket parts. A properly selected module minimizes the risk of compatibility issues and reduces the time required for installation and configuration.

Selection by Numbers and Vehicle Electronics Compatibility

The parking system in the Mercedes R172 works with many electronic modules, so precise part matching by manufacturer numbers and interchangeable part numbers is crucial. This helps avoid communication errors in the vehicle's bus, incorrect display readings, or sporadic errors in the control unit's memory.

To better understand how to safely choose used modules and sensors, it is worth reading the guide on our blog: used car electronics – how to consciously choose modules and sensors by OEM numbers. The article discusses, among other things, selection by VIN, hardware and software compatibility, and practical installation examples.

Other Mercedes Parking Sensors

If you are also looking for other solutions from the Mercedes parking sensors category for your car, check out our dedicated offer: Mercedes parking sensors. You will find a wide selection of components designed for various models and equipment configurations, making it easier to select the right component for your specific vehicle.