Mercedes X253 Rear Bumper Electrical Wiring Harness A2535403718

Mercedes X253 Rear Bumper Electrical Wiring Harness is a specialized component from the Wires, harnesses and connectors group, designed for installation in the rear part of the vehicle. It enables the correct electrical connection of selected modules and sensors, ensuring stable communication and safe power supply for systems in the X253 body type.

Specifications and technical data

• SKU: A2535403718
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2535403718
• Substitutable numbers: A2535403718, A 253 540 37 18
• Location on the vehicle: Rear
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The PCD wiring harness in the X253 model is responsible for the organized routing of wires in the rear zone of the body. The connectors used allow for quick, repeatable connection of electrical components without the need for interference with the factory installation. This maintains the consistency of the electrical system and ensures proper cooperation with the onboard electronics.

The placement in the rear area of the vehicle allows for the support of elements mounted in this part of the body, while simultaneously reducing the risk of abrasion and damage to the wires by routing them in a dedicated harness.

Construction and technical advantages

The element belongs to the Wires, harnesses and connectors group, which means it has been designed as a complete wiring solution for a specific application in a given model. The integrated connectors are factory-fitted to the appropriate sockets, which facilitates assembly and minimizes the risk of incorrect connection.

Key technical advantages include:

• dedicated wire routing geometry in the rear part of the body,
• factory-made connector terminations, prepared for cooperation with original modules,
• organization of the electrical installation, which facilitates service and diagnostics,
• maintaining compliance with the electrical architecture of the X253 vehicle.

Service application and assembly

The PCD wiring harness is suitable for replacing a damaged section of wiring in the rear part of the vehicle, as well as for post-accident repairs when it is necessary to restore the original wire routing. Using a complete harness instead of point repairs limits the number of soldered or crimped connections, which positively affects the durability of the system.

The element is intended for installation in a specific model from the X253 family, therefore, before installation, it is worth verifying compatibility by the OEM part number and interchangeable numbers in the technical specification. Such an approach facilitates the selection of the correct component and reduces the risk of compatibility issues.

Product condition and benefits of choosing a used part

The offered harness is in used condition, which allows combining the functionality of an original component with an attractive price compared to brand-new elements. For many service applications, this is a reasonable compromise between the cost of repair and maintaining the proper operation of the electrical installation.

Choosing a used harness from the dismantling of a vehicle of the same generation promotes the consistency of the installation, while simultaneously reducing the amount of production waste, which may be important from the point of view of more environmentally sustainable operation.

Support in selection and additional information

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

When selecting and installing electrical system elements, a practical guide regarding used automotive electronics may be helpful – more information can be found in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?, where issues such as compatibility, identification by OEM numbers, and good assembly practices are discussed.