Mercedes W205 Parking Sensor Wiring Rear Bumper PDC Loom Cable A2055401900

The Mercedes W205 Rear Bumper PDC Parking Sensor Harness is an original electrical installation component designed for the rear parking system. As part of the Cables, Harnesses, and Connectors group, it ensures a stable connection between the PDC sensors and the control module, providing precise signal transmission. This is a practical solution for users looking to restore the full functionality of the factory parking assist system in their Mercedes W205.

Specifications and technical data

• SKU: A2055401900
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2055401900
• Substitutable numbers: A2055401900, A 205 540 19 00
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

This harness is dedicated for installation in the rear bumper of Mercedes W205 class vehicles, within the PDC (Park Distance Control) system area. It is responsible for:

• connecting the parking sensors to the vehicle's electrical system,
• stable signal transmission to the parking assist system controller,
• maintaining correct communication between the individual components of the system.

Thanks to its precise fit for the specific body generation, the harness allows for the preservation of the factory wiring routing geometry and the correct placement of connectors in the rear of the vehicle.

Construction and Technical Features

The harness belongs to the Cables, Harnesses, and Connectors group, meaning it includes a set of electrical wires with factory connectors adapted for parking sensors and the vehicle's electrical system. The design includes:

• appropriately selected wire length for the rear bumper,
• connectors compatible with PDC sensors used in the W205,
• placement of mounting points allowing the harness to be routed according to factory brackets.

This solution facilitates installation and reduces the risk of installation errors, contributing to the correct operation of the parking system.

Service Application and Benefits of Installation

The rear bumper parking sensor harness is particularly useful in situations where:

• the wiring was damaged during a rear-end collision,
• wires have been broken or corroded, causing PDC system errors,
• a complete harness replacement is necessary instead of temporary repairs of individual wires.

Using an original harness dedicated to the Mercedes W205 helps maintain the integrity of the electrical system, reduces the risk of diagnostic problems, and restores the proper functioning of the rear parking assist system.

Product Condition and Installation Aspects

The item is offered as a used part, which is a cost-effective solution for users seeking a factory component at a reasonable price while maintaining compatibility with the original installation. The harness is designed for installation in the rear of the vehicle, within the bumper area, utilizing factory mounting points and wiring routes.

Before installation, it is recommended to perform a standard check of the connectors' condition and the correct routing of the wires in the vehicle to avoid mechanical stress and potential damage during operation.

Related Parts and Technical Knowledge

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

For a better understanding of how driving assistance systems work in modern cars, including all-wheel-drive vehicles, it is worth reading the material discussing the construction and servicing of advanced drivetrain systems – details can be found in the article xDrive, 4Matic, quattro, or 4Motion – Comparison of AWD Systems from BMW, Mercedes, Audi, and VW.