Mercedes CL203 Rear Tail Light Lamp Wiring Cable Harness Right O/S A2038204864

Mercedes CL203 Rear Tail Light Lamp Wiring Cable Harness Right O/S is an original electrical system component designed to support the right rear tail light in the CL203 series coupé body. Thanks to its factory-fit design for the Mercedes electrical system, it ensures stable electrical connections, reducing the risk of lighting malfunctions and vehicle system errors. It is a practical solution for post-collision repairs, lamp replacement, or troubleshooting power supply issues for the lights.

Specifications and technical data

• SKU: A2038204864-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2038204864
• Substitutable numbers: A2038204864, A 203 820 48 64, KZ
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The harness is designed to operate in the rear right section of the body, where it is responsible for transmitting signals and power to the individual lamp circuits. It includes the wires and connectors necessary for proper integration with the factory electrical system, which allows for maintaining compliance with the vehicle manufacturer's specifications.

Such a solution is particularly important in cars equipped with advanced lighting control systems, where improper connections can cause error messages or unstable light operation. Using a dedicated harness helps maintain the electrical integrity of the lighting system and facilitates future diagnostics.

Service application and installation

The component is suitable for:

• repairs following damage to the rear of the body,
• replacement or upgrading of the right rear tail light,
• troubleshooting power loss issues for individual lighting functions,
• restoring the original installation configuration after previous unprofessional modifications.

The harness, as a part from the Wires, harnesses, and connectors group, is prepared to work with factory mounting points and original vehicle connectors. This facilitates installation and limits the need for interference with the main electrical system, which is beneficial both in terms of technical aspects and operational safety.

Benefits of using an original Mercedes harness

Using a dedicated harness for the right rear tail light in the CL203 model allows you to:

• maintain compliance with factory service documentation,
• minimize the risk of overheating or oxidation of contacts thanks to matched connectors,
• limit the number of soldered or twisted connections in the installation,
• facilitate subsequent diagnostic and service work.

As an element of the original Mercedes electrical system, the harness is structurally adapted to the current load typical for a rear tail light, which promotes stable operation of parking lights, brake lights, turn signals, or reversing lights – depending on the specific lamp configuration in a given vehicle.

Condition and selection of the correct part

The offered harness is a used component, which allows for an economical restoration of the lighting system's efficiency while maintaining the original manufacturer's specifications. Before selection, it is recommended to compare the connector configuration and placement on the vehicle to ensure full compatibility with your specific body version and tail light.

By maintaining the factory geometry of the wires and proper routing of the harness in the rear right zone, you can avoid mechanical stress and insulation abrasion, which translates into stable operation of the lighting system in the long term.

Expanding the installation within the rear body section

If you are planning a comprehensive repair or upgrade of the rear electrical system in your Mercedes and need other elements from the same group, such as additional harnesses, wire sections, or service connectors, check out the available parts in the Mercedes wires, harnesses, and connectors category.

If you are considering a wider use of parts from professional dismantling as a way to reduce operating and repair costs, it is worth checking out practical tips on selecting used components – you will find them in the guide VW brand cars: economical restoration of full efficiency thanks to parts from professional dismantling, which shows the general principles of safely using used parts.