Mercedes W176 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9364201

Mercedes W176 PDC Sensor Wiring Harness Rear Bumper 9364201 is an original electrical installation component designed to operate the parking system in the rear of the vehicle. This specialized harness from the Cables, Harnesses, and Connectors group ensures proper connection of PDC sensors to the car's electronics, translating to stable operation of the parking assistant. It's a practical solution for users who want to restore the full functionality of the factory system in their Mercedes.

Specifications and technical data

• SKU: A1765404609
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1765404609
• Substitutable numbers: A1765404609, A 176 540 46 09
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function of the PDC Harness

The presented harness is dedicated to the rear of the body, where it is responsible for communication between the parking sensors and the control module. When correctly installed:

• it transmits signals from the sensors to the vehicle's electronics,
• it enables precise detection of obstacles behind the car,
• it supports the driver during maneuvering in tight parking spaces,
• it reduces the risk of damage to the bumper and body elements.

By maintaining the factory wiring geometry and appropriate connector placement, the harness allows for organized installation within the rear bumper area.

Construction, Connectors, and Compatibility

The harness belongs to the Cables, Harnesses, and Connectors group, meaning it is designed as an electrical installation component with a specific length, wire gauges, and connector types. The connectors used are matched to the factory parking sensors and the designated mounting points in the rear bumper.

The arrangement of branches and connectors is in line with the factory layout, which facilitates installation and minimizes the risk of incorrect connections. The harness is designed for operation in the rear zone of the vehicle, where it is exposed to moisture, dirt, and temperature changes, so the construction of the wires and insulation is adapted to such operating conditions.

Benefits of Using an Original Harness

Using an original PDC harness in a Mercedes W176 offers a number of practical benefits:

• Factory Fit – wire length, connector placement, and mounting points match the original installation, making installation easier.
• Stable Parking System Operation – proper shielding and wire gauges contribute to correct signal transmission from the sensors.
• Reduced Diagnostic Errors – correct electrical connections reduce the risk of PDC malfunction messages.
• Compatibility with Vehicle's Electrical System – the harness works with the factory electrical architecture of Mercedes, without requiring modifications.

For users who want to restore the full functionality of the parking assistant after bumper or wiring damage, such a harness is a practical and technically sound solution.

Condition, Installation, and Service Application

The item is offered as a used part, allowing for economical repair of the PDC system while maintaining the original manufacturer's specifications. Before installation, a standard check of the insulation condition, connectors, and potential cleaning of contacts is recommended to ensure reliable electrical connections.

The harness, designed for the rear of the vehicle, is suitable for both replacing damaged wiring after a collision and for comprehensive renovation of the bumper area. Thanks to the preservation of the factory wiring layout, installation is predictable and can be performed in a typical workshop specializing in Mercedes vehicles.

Related Products and Technical Knowledge

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

When performing service work on the electrical system and driver assistance systems, it is also worthwhile to expand your knowledge about common operational problems of modern cars. Practical information on engine unit reliability can be found in the article BMW E90 Problematic Engines: Find Out What Can Ruin Your Budget!, which shows how a conscious approach to servicing can reduce unforeseen costs.