Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey - 755 A2125420018

Visual condition of the part 

The product shows signs of use visible in the photos. 

Mercedes W204 Parking Sensor PDC Distance Front Tenorite Grey is an original parking assistance system component designed for operation in the front area of the vehicle body. Thanks to its factory-fit design for Mercedes vehicles, it ensures seamless integration with the car's electronics and stable operation of the PDC system. Finished in Tenorite Grey Metallic, it allows for maintaining the bumper's aesthetics without the need for additional painting.

Specifications and technical data

• SKU: A2125420018-TNG
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2125420018
• Substitutable numbers: A2125420018, A 212 542 00 18
• Location on the vehicle: Front
• Color: Tenorite Grey Metallic - 755
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the PDC sensor

The presented parking sensor is a component of the front PDC system, responsible for detecting obstacles in the immediate vicinity of the bumper. It works with the factory controller and vehicle wiring, transmitting signals to the acoustic or visual system, which facilitates maneuvering in tight spaces. A properly functioning sensor helps reduce the risk of body damage during parking and improves the comfort of daily vehicle use.

Body fitment and Tenorite Grey Metallic color

The sensor is prepared for installation in the front part of the vehicle, in the factory bumper socket. The use of a Tenorite Grey Metallic – 755 finish allows for a visually consistent integration of the component with the body paint, which is particularly important for vehicles with the original Tenorite Grey color. Such a match reduces the need for additional paint work and allows for maintaining a uniform look of the vehicle's front area.

Characteristics of the original Mercedes part

As a Mercedes brand component, the sensor has been designed to work with the factory electrical installation and vehicle software. This means maintaining the correct operating parameters, proper signal characteristics, and compatibility with the diagnostic system. A used part of this type is a beneficial solution when it is necessary to replace a single PDC component while maintaining the manufacturer's original specifications.

Practical installation and operational tips

When replacing a parking sensor in the front of the vehicle, it is worth paying attention to the correct seating in the bumper bracket and the condition of the electrical harness. It is also recommended to check other PDC system components to rule out additional faults. After installation, it may be advisable to perform diagnostics to confirm communication with the control module and clear any errors stored in the memory.

If you are planning a comprehensive repair or upgrade of the body area and assistance electronics in your Mercedes and need other components from the same group, such as additional sensors, harnesses, or control modules, check the available parts in the Other Mercedes category.

Technical support and knowledge about used parts

When choosing a used PDC sensor, it is worth knowing the basic principles of operation and diagnostics of electronic components from dismantling to maximize their potential. Practical advice on selection, maintenance, and ways to extend the durability of components can be found in the article How to extend the life of used car parts?, which discusses, among other things, issues related to automotive electronics.

For a comparison of the characteristics of advanced drive and braking systems in sports cars, you can also refer to the material Audi RS vs other models – what is hidden under the hood and chassis?, which shows how important precisely selected electronics and equipment are in modern constructions.