Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC A2045400708

Mercedes-Benz W204 Parking Sensor Wiring Cable Harness Rear PDC is an original electrical installation component designed to support the rear parking system in Mercedes vehicles. It enables the correct connection of PDC sensors to the control module, ensuring stable operation of the parking assistant and precise signal transmission. This is a practical service solution for users who want to restore full system functionality without the need for costly installation modifications.

Specifications and technical data

• SKU: A2045400708
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2045400708
• Substitutable numbers: A2045400708, A 204 540 07 08
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness belongs to the Wires, harnesses and connectors group and is dedicated to the rear body section of Mercedes W204 class vehicles. It is responsible for connecting the parking sensors to the vehicle's electrical system, which allows for:

• efficient transmission of signals from the sensors to the PDC controller,
• stable operation of the parking assistance system during reversing maneuvers,
• maintaining the factory logic of safety and comfort systems.

Its location in the rear body zone facilitates quick identification of the component during diagnostics or replacement, which simplifies service work.

Construction and fitment for Mercedes installations

The harness has been designed as a component compatible with the factory electrical architecture of the Mercedes W204, allowing for the preservation of original cable routing and proper connector placement. The design provides appropriate branches for individual parking sensors, which minimizes the risk of installation errors and accidental cable strain.

Properly selected connectors allow for a secure, mechanically stable connection with the sensors and the rest of the installation, which limits the risk of circuit breaks and signal interference. As a result, the PDC system can operate in a repeatable and predictable manner, without random error messages.

Benefits of using an original wiring harness

Using a dedicated parking sensor wiring harness in the rear of the vehicle brings a number of practical service and operational benefits:

• Factory fitment – maintaining the original geometry of cable routing and proper connector placement.
• Stable communication with sensors – reducing the risk of signal interference and erroneous PDC system readings.
• Simplified installation – the ability to replace a damaged harness without the need to modify the electrical system.
• Consistency with vehicle electronics – maintaining compatibility with Mercedes control modules and software.

For workshops and private users, this means shorter repair times, a lower risk of complaints, and a more convenient way to restore full functionality to the parking system.

Component condition and service application

The offered harness is a used component, making it an attractive solution for vehicle repairs where combining functionality with reasonable service costs is key. It is suitable both for replacing damaged installations after a collision or wire corrosion, and for restoring the efficiency of the PDC system after previous, unprofessional installation modifications.

System expansion within the same group

If you are planning a comprehensive repair or upgrade of the rear electrical installation in your Mercedes and need other components from the same group, such as additional harnesses, signal cables, or service connectors, check the available parts in the Mercedes wires, harnesses and connectors category.

For users interested in a conscious approach to vehicle operation and the thoughtful and safe use of recycled parts, a valuable addition to your knowledge will be an article dedicated to modern service practices and performance optimization – more information can be found in the material Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.