Mercedes C253 Coupe Rear Lamp Left N/S Side Harness Cable Wiring A2539060802

Mercedes C253 Coupe Rear Lamp Left N/S Side Harness Cable Wiring is an original electrical installation component designed to support rear lighting and brake light functions on the driver's side. Thanks to its factory-fit design for the coupe body, it ensures a stable electrical connection and proper cooperation with the vehicle's control modules. It is a practical solution for replacing a damaged lamp, repairing the wiring, or restoring the full functionality of the lighting system.

Specifications and technical data

• SKU: A2539060802-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2539060802
• Substitutable numbers: A2539060802, A 253 906 08 02
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Purpose and function in the vehicle

The presented wiring harness is part of the Rear lights and brake lights category, responsible for power supply and control signals for the rear lamp on the left side of the vehicle. The location on the vehicle is the rear – driver's side, which allows for clear identification of the mounting area and facilitates part selection during repairs.

This component is particularly useful in situations where the factory wiring has been damaged due to a collision, connector corrosion, wire overheating, or improper previous repairs. Using an original wiring harness allows for the restoration of proper circuit continuity without the need for makeshift connections.

Advantages of using an original Mercedes wiring harness

The OEM rear lamp wiring harness provides:

• factory fitment to the body geometry and mounting brackets,
• wire cross-sections properly matched to the lamp's current loads,
• connectors compatible with the original rear lamp and vehicle installation,
• consistency with the factory Mercedes electrical diagram.

As a result, installation is orderly, and the risk of installation errors is minimized. Using an OEM component also helps optimize repair costs while maintaining original build quality.

Scope of application and typical repair scenarios

The rear left lamp wiring harness for the coupe body is primarily used for:

• replacing a damaged lamp after a rear-end collision,
• repairing broken or melted wires in the trunk area,
• eliminating problems with intermittent rear lighting,
• restoring the vehicle to factory condition after previous, unprofessional installation modifications.

Using a complete, original wiring harness is especially beneficial where local soldering or fabricating wire sections could lead to unstable connections and diagnostic issues.

Condition, verification, and preparation for installation

The offered wiring harness is a used component, which means it has been removed from a vehicle and verified for further use. This type of part allows for a significant reduction in repair costs compared to a new component, while maintaining full compatibility with the factory Mercedes installation.

Before installation, it is recommended to perform a standard inspection of the insulation, connectors, and proper routing of the wires in the vehicle, ensuring the harness is not exposed to abrasion, excessive bending, or contact with moving parts of the trunk lid hinges.

Support with selection and additional information

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other components from the same group, such as tail light assemblies, power cables, or signal harnesses, check out the available parts in the Mercedes rear lights and brake lights category.

If you want to reduce vehicle downtime at the service center and better understand how used OEM components affect repair speed, take a look at the article Availability of car parts off-the-shelf vs. repair time – how used OEM parts shorten workshop stays?, where you will find practical tips on organizing repairs and selecting parts.