Mercedes W169 W204 W212 Parking Sensor PDC Front SET X2 Obsidian Black-197

Mercedes W169 W204 W212 Parking Sensor PDC Front SET X2 Obsidian Black-197 is an original component from the Parking sensors group, designed for operation in the front zone of the vehicle body. Thanks to its factory fitment for the PDC system in Mercedes vehicles, it ensures stable operation of the parking assistance system and a consistent appearance with the factory Obsidian Black Metallic paint.

Specifications and technical data

• SKU: A2125420018-OB1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2125420018
• Substitutable numbers: A2125420018, A 212 542 00 18
• Location on the vehicle: Front
• Color: Obsidian Black Metallic - 197
• Category: Parking Sensors

Purpose and function in the vehicle

The presented sensor is designed for installation in the front part of the vehicle, where it is responsible for precise obstacle detection during maneuvering. It integrates with the factory PDC system, transmitting a signal to the controller regarding the distance to objects located in front of the bumper. A properly functioning component of this type increases the comfort of daily use, facilitates parking in tight spaces, and reduces the risk of minor body damage.

Color and visual fit

The sensor is finished in Obsidian Black Metallic - 197, which allows for aesthetic integration into the bumper of vehicles painted in this shade. As a result, the component does not visually stand out from the bodywork, maintaining a consistent, factory look of the car's front. This is particularly important for post-accident repairs or when replacing a single sensor in an already painted bumper.

Benefits of using an original parking sensor

Choosing an original PDC sensor for a Mercedes allows you to maintain the performance parameters specified by the vehicle manufacturer. Appropriate measurement characteristics, correct housing geometry, and electrical compatibility with the car's installation translate into:

• stable operation of the parking assistance system in the front zone of the vehicle,
• proper cooperation with the factory controller software,
• reduced risk of false alarms or system failure,
• easier diagnostics in the event of any malfunctions.

The element from this group is particularly recommended for repairs where maintaining original functionality and predictable PDC system behavior is a priority.

Characteristics of the used product

The sensor comes from the secondary market, which allows for combining an attractive price with the preservation of factory specifications. A used component of this type is a good solution for maintenance repairs when compatibility with the vehicle's installation and reducing service costs are the priority. Before installation, it is recommended to perform a standard verification of the electrical installation and proper seating in the bumper socket to ensure the correct operation of the entire system.

Selection, installation, and technical support

To select the correct sensor for a specific version of a Mercedes, it is worth using the manufacturer's markings and vehicle data. A properly selected element facilitates plug-and-play installation in the front part of the body, without the need for modifications to the wiring or mounts. In case of doubts regarding compatibility, it is helpful to compare the previously used sensor and consult the service documentation.

If you are planning a comprehensive repair or upgrade of the maneuvering zone in your Mercedes and need other elements from the same group, such as additional sensors, mounting elements, or covers, check the available parts in the Mercedes parking sensors category.

More about used electronics and sensors

When choosing a used PDC sensor, it is worth knowing the basic principles of selection based on manufacturer markings, as well as the requirements for hardware and software compatibility in modern installations. A detailed discussion of these issues, along with practical examples and answers to frequently asked questions, can be found in the Global Parts guide: Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?