Mercedes W251 V251 Rear Door Wiring Loom Harness Cable Right O/S A2514402409

Mercedes W251 V251 Rear Door Wiring Loom Harness Cable Right O/S is an original electrical installation component designed for the rear right door of R-Class models. Thanks to its factory-fit design for the W251/V251 body, the harness ensures stable electrical connections and proper operation of door equipment. It is a practical solution for users looking to restore full functionality of the door electronics after repairs or bodywork replacements.

Specifications and technical data

• SKU: A2514402409
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2514402409
• Substitutable numbers: A2514402409, A 251 440 24 09, A 251 440 25 13, A2514402513
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented harness belongs to the Wires, harnesses, and connectors category and is dedicated to installation in the rear right door of Mercedes W251/V251 series vehicles. It is responsible for transmitting signals and power between the main body wiring and components located in the door, such as actuators, control modules, or comfort features. Its placement in the rear right section of the body allows for direct mounting at factory attachment points without the need for any modifications to the installation.

Construction and fitment for Mercedes W251/V251

The harness was designed by Mercedes with consideration for door geometry, grommets, and factory brackets, which facilitates safe and organized cable routing. The connectors used are prepared for compatibility with original modules and equipment, minimizing the risk of incorrect connection. As a result, this component can be used both for replacing damaged wiring and during post-accident repairs where it is necessary to restore the harness within a single door panel.

Benefits of using an original harness

Using a factory wiring harness in the rear right door allows for maintaining the consistency of the electrical system with the rest of the vehicle. The appropriate cable length, correct branch distribution, and matched connectors limit mechanical stress and reduce the risk of chafing in the grommets. For the user, this means stable operation of comfort systems and easier diagnostics of potential future faults, as the wiring layout corresponds to factory service diagrams.

Condition and service application

The item comes from the used parts group, making it an attractive solution for economical repairs where the priority is to maintain the original design at reasonable service costs. The harness is particularly suitable for situations where the existing installation has been mechanically damaged (e.g., as a result of a collision or long-term wear in the door grommet) and replacement within a single door panel is necessary, without interfering with the rest of the vehicle's installation.

Expanding repairs within the door installation

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 additional harnesses, cable sections, or compatible connectors, check the available parts in the Mercedes Wires, harnesses, and connectors category.

Technical support and knowledge about Mercedes equipment

When working with electrical installations and equipment in vehicles of this brand, it is worth using reliable sources of service knowledge. Additional information on component selection and fault prevention in popular models can be found in the article Reliability under the star – how to take care of engine equipment in popular Mercedes-Benz C and E-Class models?, which helps to better plan service work and make informed choices regarding spare parts.