Mercedes W470 Electronic Wiring Harness Cable 240A35XA0B

Mercedes W470 Electronic Wiring Harness Cable is an original electrical system component designed for installation in the rear left door of the vehicle. It ensures a stable connection between all receivers and sensors in the door and the main vehicle wiring, which translates into the proper operation of the window regulator, door lock, and lighting. Thanks to the factory fit for the W470 body, the installation is precise and predictable.

Specifications and technical data

• SKU: 240A35XA0B
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: 240A35XA0B
• Substitutable numbers: 240A35XA0B
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and vehicle placement

The presented harness is designed for installation in the rear left door area of Mercedes W470 series vehicles. It is responsible for transmitting signals and power between the body modules and components installed in the door, such as actuators, switches, or auxiliary lighting. The precise fit for the specific mounting location reduces the risk of wire tension, insulation abrasion, and issues with the operation of door equipment.

Construction and function of the wiring harness

The door harness in this Mercedes model is configured for the specific layout of connectors and grommets in the rear left door. It includes a set of wires with appropriately selected cross-sections, integrated connectors, and mounting points to the door structure. This solution:

• facilitates routing wires through factory channels and holders,
• ensures proper positioning of connectors relative to modules and equipment,
• reduces the risk of installation errors during service.

As a result, the electrical installation in the door remains organized, and the diagnostics of potential faults are simpler and more predictable.

Benefits of using an original Mercedes harness

Using a factory harness dedicated to the Mercedes W470 allows for maintaining consistency with the original installation design. In practice, this means:

• compliance with the electrical parameters specified by the manufacturer,
• correct wire length matching the door geometry,
• compatibility with factory connectors and control modules.

For the user, this translates into stable operation of comfort and safety systems in the rear left door, without the need for installation modifications or the use of adapters.

Characteristics of the used product

The offered harness comes from disassembly and is a used component, which allows for an economical repair or replacement of a damaged installation in the vehicle. This type of component is particularly useful for post-accident repairs, mechanical damage to wires in door grommets, or issues with contact corrosion. Choosing an original, used door harness often represents a favorable compromise between cost and maintaining the factory installation specification.

Expanding door zone upgrades

If you are planning a comprehensive repair or upgrade of the door zone in your Mercedes and need other elements from the same group, such as skins, reinforcements, or door frames, check out the available parts in the Mercedes Doors and door panels category.

For those interested in broader vehicle upgrades, including improving exhaust flow and engine performance characteristics, practical tips on selecting used exhaust system components may be useful – you can find them in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.