Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor A2515404206

Mercedes W251 Rear Bumper Parktronic Wiring Loom Parking Sensor is an original electrical installation component designed to support the parking system on the rear axle of the vehicle. Thanks to its factory-fit design for Mercedes W251 series models, it ensures a stable connection between the PDC sensors and the vehicle's electrical system, as well as proper communication with the vehicle's electronics. It is a practical solution for parking system repairs, replacing a damaged wiring loom, or completing missing components.

Specifications and technical data

• SKU: A2515404206
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2515404206
• Substitutable numbers: A2515404206, A 251 540 42 06
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function of the PDC wiring loom

The presented wiring loom belongs to the Wires, looms, and connectors category and is dedicated to installation in the rear part of the body. It is responsible for supplying power and control signals to the PDC parking sensors, which enables the parking assistant to function efficiently during reversing maneuvers. Its placement on the vehicle in the rear body area allows for direct connection to the factory mounting points and original Mercedes installation connectors.

Construction and fitment for Mercedes W251

The wiring loom has been designed specifically for the electrical architecture of the Mercedes W251, which translates into the correct wire length, connector layout, and compatibility with factory brackets. The connectors used are prepared to work with PDC parking sensors mounted in the rear bumper, and the wire routing is adapted to the installation path in this model.

As a result, installation is carried out in an orderly manner, without the need to modify the system or use additional adapters. The original design of the wiring loom reduces the risk of installation errors, wire abrasion, and communication issues between the sensors and the control module.

Application in parking system repairs

The rear PDC parking sensor wiring loom is particularly useful in situations where:

• wires or connectors have been damaged as a result of a rear-end collision,
• intermittent PDC system errors related to circuit breaks occur,
• it is necessary to replace a section of the installation after body and paint repairs,
• a missing installation element is being replaced in a used vehicle.

Using an original wiring loom allows for consistency with the factory parking system, which facilitates diagnostics and compatibility with service testers. A correctly selected rear wiring loom minimizes the risk of false sensor alarms and parking assistant malfunctions.

Product characteristics and condition

The offered item comes from the Mercedes brand, which means compliance with factory manufacturing standards and fitment for the specific vehicle platform. The product is used, making it an economical solution for PDC system repairs while maintaining the original technical specifications provided by the manufacturer.

The wiring loom is intended for installation in the rear of the vehicle, so when planning the repair, it is worth paying attention to correct wire routing, protection against moisture, and proper seating of the connectors in the sensors and body installation. Careful installation translates into long-lasting and stable operation of the parking system.

Expanding the installation in the Mercedes rear zone

If you are planning a comprehensive repair or upgrade of the rear zone in your Mercedes and need other elements from the same group, such as additional wiring looms, wire sections, or PDC installation connectors, check the available parts in the Mercedes wires, looms, and connectors category.

Technical support and selection of installation components

When working with a vehicle's electrical system, it is crucial to correctly identify damage and select compatible components. In the case of more complex drivetrain repairs and related systems, it is worth expanding your knowledge on diagnostics and part selection. Practical tips, model examples, and answers to frequently asked questions can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which helps organize the approach to servicing key components.