Mercedes CLA C118 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1185405713

The Mercedes CLA C118 Rear PDC Sensor Wiring Harness is an original electrical system component responsible for connecting the rear parking sensors to the vehicle's control system. Its dedicated design for the specific CLA C118 model ensures proper signal routing and stable PDC system operation during reverse maneuvers.

Specifications and technical data

• SKU: A1185405713
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1185405713
• Substitutable numbers: A1185405713, A 118 540 57 13
• Location on the vehicle: Rear
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

PDC Harness Purpose and Function

The presented rear PDC sensor wiring harness belongs to the Cables, Harnesses, and Connectors category and is intended for installation in the rear of the vehicle body. It is responsible for transmitting signals from the parking sensors to the control unit, enabling the correct operation of the parking assistant, distance visualization, and acoustic signaling.

Thanks to its factory-matched fit for the Mercedes CLA C118, the harness maintains the correct wire routing geometry, which reduces the risk of chafing, signal interference, and PDC error diagnostics issues.

Construction and Fit for Mercedes CLA C118

The harness is designed as a component for the rear part of the vehicle's electrical system, with appropriately spaced connectors for the parking sensors and an interface for connection to the main electrical system. The connector placement is consistent with the factory sensor layout in the rear bumper of the CLA C118, which facilitates installation and minimizes the risk of incorrect connections.

As an original Mercedes component, the harness ensures the correct wire length, appropriate conductor diameter, and compatible connectors, which translates to stable communication with the control module and proper cooperation with the vehicle's factory software.

Benefits of Using an Original Harness

Using a dedicated rear PDC wiring harness allows for:

• Restoring full parking system functionality after damage or corrosion to the previous installation.
• Reducing PDC error issues resulting from unstable connections, circuit breaks, or incorrect wire resistance.
• Seamless integration with the factory electrical system without the need for modifications, soldering, or adapters.
• Maintaining compliance with Mercedes service documentation and wiring diagrams, which facilitates future diagnostics.

Component Condition and Service Application

The rear bumper PDC wiring harness is a component particularly exposed to mechanical damage and the effects of weather conditions. Replacing it with a functional, original component restores the correct operation of the parking system without the need for intervention in the control electronics. This is a practical solution for both post-accident repairs and for rectifying faults related to moisture or connector corrosion.

Other Mercedes Cables, Harnesses, and Connectors

If you also need other electrical system components, such as Mercedes cables, harnesses, and connectors for other vehicle systems, check out the Mercedes cables, harnesses, and connectors available in our store to select components matched to your model.

For those interested in selecting used OEM parts and their impact on a car's driving characteristics, we recommend the guide article Go-Kart Feeling XXL – Used N18 Turbocharger vs. B48 in Mini Cooper S, which discusses the practical aspects of choosing and installing advanced components.