Mercedes C117 Parking Sensor Wiring Rear Bumper Parktronic Loom Cable Harness

The Mercedes C117 Rear Bumper Parking Sensor Harness is an original Parktronic system component designed for precise connection of sensors to the vehicle's factory electronics. By maintaining the original wiring geometry and connectors, this rear bumper wiring harness allows for the restoration of full parking assist functionality without altering the car's existing wiring.

Specifications and technical data

• SKU: A1175402601
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1175402601
• Substitutable numbers: A1175402601, A 117 540 26 01
• Location on the vehicle: Rear
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Application and Function in the Parktronic System

This harness is part of the Parking Sensors category and is responsible for a stable, shielded connection between the sensors in the rear bumper and the control module. Its placement on the vehicle is designated as the rear, meaning the harness supports the reversing zone, working in conjunction with the factory Mercedes parking assist system.

A correctly selected harness minimizes the risk of signal interference, diagnostic errors, and accidental audible warnings during maneuvering. This is particularly important in vehicles equipped with advanced assistance systems, where stable communication between sensors and the controller directly impacts user comfort and safety.

Benefits of Using an Original Mercedes Harness

The Parktronic harness dedicated to the rear bumper of the C117 body style ensures:

• factory-matched wire lengths to the bumper's geometry,
• original connectors compatible with parking sensors and the vehicle's wiring,
• correct routing of wires within the bumper's clips and guides,
• compatibility with Mercedes computer diagnostics (error code reading, sensor testing).

This allows for installation by simply reconnecting the plugs and properly positioning the harness, without the need for wiring modifications or soldering. This solution is particularly beneficial for post-accident repairs of the rear bodywork, bumper replacement, or damaged sensor wiring.

Selection by OEM Number and Compatibility

The component has a dedicated OEM number and interchangeable numbers, which facilitates unambiguous identification in Mercedes parts catalogs and service systems. When selecting, it is recommended to verify compatibility using the vehicle's chassis number (VIN) and compare the vehicle's equipment configuration to ensure the harness matches the specific version of the Parktronic system installed in that particular vehicle.

If you have any doubts regarding compatibility, installation, or interpretation of OEM markings, the Global Parts guide on used automotive electronics and sensors can be helpful – you can find detailed instructions in the article Used Automotive Electronics – How to Safely Select Modules and Sensors by OEM Numbers.

Characteristics of a Used Product

The offered harness is a used part, sourced from dismantling. In practice, this means retaining the original manufacturing quality while offering cost savings compared to a new part. This type of solution is particularly cost-effective for repairing wiring in the bumper area, where mechanical damage to wires and connectors is most common.

If you are considering when it is worthwhile to opt for a used part versus an aftermarket or new component, a comparison prepared by Global Parts may be helpful – you can find more information in the article Original, Aftermarket, or Used – Which Parts Offer the Best Value.

Expansion and Service of the Mercedes Parking Sensor System

If you are planning a comprehensive repair or upgrade of the reversing zone in your Mercedes and require other components from the same group, such as additional harnesses, sensors, or bumper mounting elements, check the available parts in the Mercedes Parking Sensors category.

Using dedicated components from the same group helps maintain system consistency, simplifies diagnostics, and reduces the risk of future compatibility issues.