Mercedes W204 W211 Front Bumper Parking Sensor Obsidian Black 197 A2125420118

Mercedes W204 W211 Front Bumper Parking Sensor Obsidian Black is an original part from the Parking sensors category, designed for operation in the front area of the vehicle body. The paint in the Obsidian Black Metallic shade allows for an aesthetic match to the factory body color, which facilitates installation without the need for additional painting.

Specifications and technical data

• SKU: A2125420118-OB1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2125420118
• Substitutable numbers: A2125420118, A 212 542 01 18, EM
• Location on the vehicle: Front
• Color: Obsidian Black Metallic - 197
• Category: Parking Sensors

Purpose and function of the sensor

The presented sensor is designed to work in the front part of the vehicle, where it is responsible for precise obstacle detection during maneuvering. It works with the factory parking assistance system, transmitting information about the distance from obstacles to the controller and enabling the generation of audible or visual signals on the onboard display. Placement on the vehicle in the front bumper area allows for effective monitoring of the space in front of the car, which increases the safety of maneuvers in tight spaces, underground parking lots, or in city traffic.

Color and visual fit

The sensor is finished in Obsidian Black Metallic - 197, which allows it to be seamlessly integrated into a body painted in the same shade. As a result, the element does not visually stand out from the bumper, maintaining the factory character of the vehicle and the aesthetic appearance of the entire front section. Color matching is important not only visually but also practically – the lack of need for additional painting shortens the installation time and reduces the risk of shade differences between the sensor and other body elements.

Product characteristics and application

As a Mercedes brand component, the sensor is structurally prepared to work with the factory electrical installation and the original parking system controller. Proper tuning of operating parameters allows for maintaining the correct sensitivity, reading stability, and measurement repeatability under typical operating conditions. The product comes from the segment of used components, which allows for an economical repair of the parking system while maintaining the manufacturer's original specifications. This solution is particularly beneficial in the case of local damage to individual sensors when the other elements of the system are working correctly.

Benefits of using an original sensor

• Consistency with the factory parking assistance system – no need to adapt universal solutions.
• Color matching to the body in Obsidian Black Metallic, which facilitates installation without additional paint work.
• Possibility to restore full functionality of the parking system when replacing a single element.
• Reduction of the risk of system errors resulting from the use of non-original components. If you are planning a comprehensive repair or upgrade of the bumper area and parking assistance system in your Mercedes and need other elements from the same group, such as additional sensors, mounting elements, or mounting plugs, check the available parts in the Mercedes parking sensors category.

Operation of a used sensor and practical tips

When installing a used parking sensor, it is worth paying attention to the correct seating in the bumper socket and the tightness of the connections to limit the impact of moisture and dirt on the electronics. It is also recommended to check the correct operation of the system after installation, including the reaction to obstacles at various distances. To better plan the operation of dismantled elements and ensure their longer service life, practical tips described in the article How to extend the life of used car parts? may be helpful, where issues related to electronics and body components are discussed, among others.

Safety and selection of original elements

A functional parking system has a direct impact on the safety of maneuvers and reduces the risk of minor collisions at low speeds. Choosing an original sensor for a Mercedes allows you to maintain the operating characteristics of the system intended by the manufacturer, which translates into predictable operation of warning signals. In the context of selecting original body and electronic components, the blog article Spider web on the windshield? Why it is better to choose a used original with the manufacturer's logo when replacing, which discusses the advantages of using original elements during vehicle repairs, may also be helpful.