Mercedes R231 Front Door Cable Harness Right O/S Lock System A2315401208

The Mercedes R231 Front Right Door Lock Harness is an original electrical component responsible for the reliable connection of the door lock to the vehicle's main wiring. Thanks to its precise fit for the R231 body and factory Mercedes design, the harness ensures stable operation of the locking system and communication with the body electronics. This is a practical solution for users who want to restore full functionality to the right front door lock without altering the factory wiring architecture.

Specifications and technical data

• SKU: RHD-A2315401208
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2315401208
• Substitutable numbers: A2315401208, A 231 540 12 08
• Location on the vehicle: Front, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function in the Vehicle

The described harness belongs to the Cables, Harnesses, and Connectors group and is intended for installation in the front right door of the R231 body. It is responsible for transmitting signals between the door lock and control modules, enabling the correct operation of the locking and unlocking mechanism, as well as cooperation with comfort systems. Its placement in the door area requires proper wire routing and resistance to the movement associated with opening and closing the door, which has been taken into account in the element's factory design.

Construction and Fit for Mercedes R231

The harness has been designed by Mercedes specifically for the geometry of the front passenger-side door in the R231 model. This means the correct wire length, appropriate connector placement, and compatibility with factory mounting points. The connectors used are prepared to work with the original lock and body wiring, eliminating the need for modifications, soldering, or adapting universal wires.

Benefits of Using an Original Door Harness

Using the original lock harness in the R231 front right door offers several practical benefits:

• maintaining the factory electrical system structure without wire modifications,
• secure connection of the lock to the body electronics,
• reduced risk of communication errors and malfunctions resulting from incorrect wiring,
• easier diagnostics for future inspections or servicing.

An element from this group is particularly useful when replacing a damaged harness after a collision, door intervention, or a failure related to wire abrasion.

Component Condition and Service Application

The offered harness is a used original component, which allows for compliance with factory specifications while reducing repair costs. This solution is often chosen by professional workshops specializing in body and electrical repairs for Mercedes vehicles, where fit for the specific model and the ability to install it in place of the factory part without additional modifications are crucial.

Integration with Other Door Wiring Components

The harness works with the lock and other electrical components in the right front door, creating a cohesive communication system with the vehicle's control modules. When replacing damaged wiring, it is advisable to check the condition of other components in this area to avoid the recurrence of a fault due to mechanical damage to the door or door seals.

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

For users interested in the broader context of using original used components in premium vehicles, practical tips on selecting parts by identification numbers and the impact of such solutions on vehicle longevity can be found in the article BMW – Sporty Performance and Precision. How Used Original Parts Extend the Life of the Bavarian Icon?.