Mercedes C117 X117 Front Bumper Parking Sensor Wiring Loom Harness A1175403901

Mercedes C117 X117 Front Bumper Parking Sensor Wiring Loom Harness is an original electrical component responsible for the proper connection of parking sensors in the front part of the vehicle body. Thanks to its factory-fit design for C117/X117 series models, the harness ensures stable operation of the PDC system and facilitates the service replacement of damaged wiring. It is a practical solution for workshops and users who want to restore full functionality of the parking assistant in their Mercedes.

Specifications and technical data

• SKU: A1175403901
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1175403901
• Substitutable numbers: A1175403901, A 117 540 39 01
• Location on the vehicle: Front
• Category: Other Starters, Alternators, ECUs & Wiring

Purpose and function of the PDC harness

The described wiring harness is designed for installation in the front bumper of Mercedes C117/X117 series vehicles, in the area where the PDC parking sensors operate. It is responsible for transmitting signals between the sensors and the vehicle's control unit, which enables efficient detection of obstacles in front of the car and the correct operation of acoustic and visual signaling.

The factory design of the harness allows for proper cable routing within the bumper, which reduces the risk of abrasion, mechanical damage, and system interference. This is particularly important in vehicles where the PDC system is used intensively in urban traffic.

Construction and fitment for Mercedes C117 / X117

The Mercedes C117 X117 Front Bumper Parking Sensor Wiring Loom Harness has been designed specifically for the body geometry of the C117/X117, ensuring that mounting points, cable lengths, and connector placement are consistent with the factory layout. This facilitates installation and avoids modifications to the electrical system that could reduce system reliability.

Properly selected connectors and wire cross-sections ensure a stable electrical connection with the parking sensors and other system components. This solution helps maintain correct signal parameters, which translates into precise operation of the parking assistant during daily use.

Benefits of using an original harness

Using a dedicated harness in the front bumper provides a number of practical benefits:

• secure fit to the bumper structure and factory mounting points,
• maintenance of correct cable routing in the front area of the vehicle,
• consistency with the original PDC system without the need for installation modifications,
• reduction of the risk of sensor errors resulting from unstable connections.

For workshops, this means more efficient service, and for the user – restoring the comfort of maneuvering and the predictable operation of the parking assistance system.

Component condition and service application

The offered harness comes from a Mercedes vehicle and is intended for service applications as a replacement for a damaged section of the installation in the front part of the car. It is a good solution in situations where the wiring has been damaged due to a collision, interference with the bumper, or long-term operation in difficult conditions.

Replacing the harness allows for the restoration of PDC system circuit continuity without the need to interfere with the vehicle's main electrical installation. As a result, the repair is more predictable, and the risk of additional faults associated with makeshift wire connections is minimized.

Related categories and technical materials

If you are planning a comprehensive repair or upgrade of the front bumper area in your Mercedes and need other components from the same group, such as additional harnesses, connectors, or electrical installation elements, check the available parts in the Other Mercedes category.

For a comparison of solutions used in sports versions of other brands and a better understanding of the differences in the construction of powertrains and chassis, the article describing RS models may be helpful – you can find it here: Audi RS vs other models – what is hidden under the hood and chassis?.

If you are interested in using recycled parts in the context of conscious car operation and want to better understand how they fit into the concept of eco-tuning, it is worth reading the material: Eco-tuning in practice: how to increase performance while reducing your carbon footprint with recycled parts.