Door Wiring Mercedes X253 Rear Left Right N/O/S Door Harness Loom A2535400710

Door Wiring Mercedes X253 Rear Left Right N/O/S Door Harness Loom is an original, used door wiring harness designed for installation in the rear left or right door. This component belongs to the Wires, harnesses, and connectors category, ensuring a proper electrical connection between the door and the body wiring, as well as stable operation of factory comfort systems.

Specifications and technical data

• SKU: rhd-A2535400710
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2535400710
• Substitutable numbers: A2535400710, A 253 540 07 10
• Location on the vehicle: Rear, Right, Left
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented harness is designed for installation in the rear left or right door of Mercedes X253 class models. It is responsible for transmitting signals and power to components located in the door, such as control modules, actuators, or window and lock control elements, in accordance with the factory electrical system architecture.

Thanks to dedicated cable routing and proper connector placement, the harness allows for maintaining the original cable path within the door grommets, which reduces the risk of insulation abrasion and electrical system interference.

Technical and functional characteristics

As an element from the Wires, harnesses, and connectors category, the product has been factory-matched to the specific X253 body configuration. The connectors used are compatible with the original sockets in the door and pillar, which facilitates installation and subsequent system diagnostics.

The harness provides:

• a stable electrical connection between the door and the body,
• proper cable routing within the door grommet,
• preservation of the factory installation structure without the need for modifications,
• the possibility of a service replacement of a damaged harness without interfering with the vehicle's main wiring.

Benefits of using an original Mercedes harness

Using an original door harness in a Mercedes X253 allows for maintaining the consistency of the electrical system with the manufacturer's service documentation. This facilitates computer diagnostics, the location of potential faults, and subsequent service work, without the need to adapt universal wires or modify connectors.

Choosing a used, original component is a cost-effective solution while maintaining proper fitment, correct cable length, and compatibility with factory door control modules.

Condition and service application

The product comes from dismantling and is intended as a spare part in case of damage to the factory harness, e.g., due to wire abrasion in the grommet, contact corrosion, or mechanical damage to the connectors. Replacing the complete harness is a service solution that allows for restoring the proper operation of door electronics without the need for time-consuming repairs of individual wires.

Before installation, it is recommended to perform a standard inspection of the connector condition and the correctness of cable routing in the door and pillar, in accordance with Mercedes service procedures.

Related components and service project development

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

If you are interested in broader use of dismantled parts for mechanical and visual modifications, practical tips on economical tuning can be found in the article Emotions and design – visual and mechanical tuning of a Seat using dismantled components, which shows how to effectively plan similar projects using OEM components.