Mercedes A207 S204 W221 W245 PDC Parking Sensor Front SET X4 Polar Silver 761

Mercedes A207 S204 W221 W245 PDC Parking Sensor Front SET X4 Polar Silver is a set of factory parking sensors designed for the front bumper of selected Mercedes models. The set ensures consistent operation of the PDC system and an aesthetic match to the Polar Silver Metallic paint, facilitating professional repair or replacement of damaged components. This is a practical solution for users who expect precise parking assistant performance and visual consistency with the vehicle body.

Specifications and technical data

• SKU: A2125420018-PLS1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2125420018
• Substitutable numbers: A2125420018, A 212 542 00 18
• Location on the vehicle: Front
• Part type: Sensor
• Color: Polar Silver Metallic - 761
• Category: Parking Sensors

Purpose and function of the PDC sensor set

The presented set includes four front parking sensors integrated with the PDC system in Mercedes vehicles. These components work with the vehicle's factory electronics, assisting the driver when maneuvering in tight spaces, parallel parking, and approaching obstacles precisely. The sensors are mounted in the front bumper, creating a consistent detection field in front of the vehicle. This allows the system to generate acoustic or visual signals (depending on the car's configuration), informing the driver of the distance to obstacles and helping to reduce the risk of body damage.

Color and visual matching

A significant advantage of this set is the factory color Polar Silver Metallic - 761, which allows for aesthetic integration of the sensors into the painted surface of the bumper. Proper color matching reduces the need for additional painting and helps maintain a consistent look for the front of the vehicle. The uniform shade of all four elements is particularly important when replacing the entire set, ensuring a consistent appearance without tonal differences between individual sensors.

Technical characteristics and installation

The set is designed to work in the front of the vehicle, in the factory-designated mounting locations. As a result, installation is straightforward, utilizing existing brackets and electrical harnesses without the need to modify the bumper structure. Key functional features of this set include:

• designed for front vehicle mounting, in the bumper zone,
• maintains consistent operation with the factory PDC system,
• uniform color matched to the body paint,
• possibility to replace the entire set in a single service operation.

Component condition and service application

The offered set of parking sensors comes from the Parking sensors category and is intended as a service solution for users and workshops specializing in the Mercedes brand. The set is suitable for both post-accident repairs and the replacement of components worn out or damaged during daily use. By using original components, it is possible to maintain the factory performance characteristics of the parking assistance system, which is important for driver comfort and the proper operation of safety assistants.

OEM selection and service knowledge

When selecting PDC sensors for a specific vehicle, it is worth using the manufacturer's markings and service documentation to ensure full compatibility with the car's electrical installation and software. Proper matching affects system stability, the absence of controller errors, and correct cooperation with other comfort modules. If you want to deepen your knowledge about selecting and installing used modules and sensors, you will find practical tips in the article Used automotive electronics – a guide to selecting ECU modules and sensors, which discusses issues such as compatibility, markings, and installation procedures.

Ecology and smart parts selection

Choosing used PDC sensors is not only a rational cost-effective approach but also a way to reduce waste and utilize already manufactured components. Reusing functional parts aligns with the sustainable automotive trend, which aims to reduce the carbon footprint associated with the production of new parts. More about the impact of such decisions on the environment and the benefits of choosing original dismantled parts can be found in the material How original used parts support sustainable automotive, which describes the practical aspects of an ecological approach to vehicle repairs. If you are planning a comprehensive repair or upgrade of the parking assistance zone in your Mercedes and need other elements from the same group, such as additional sensors, mounting elements, or parking assistant system components, check the available parts in the Mercedes parking sensors category.