Mercedes W204 Rear Tail Light Lamp Outer Wiring Cable Plug Right O/S A2048202064

Mercedes W204 Rear Tail Light Lamp Outer Wiring Cable Plug Right O/S is an original component from the Rear lights and brake lights group, designed for the right side of the rear bodywork. It ensures a proper connection between the electrical system and the lamp, which translates into stable lighting performance and correct signaling on the road.

Specifications and technical data

• SKU: A2048202064-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048202064
• Substitutable numbers: A2048202064, A 204 820 20 64
• Location on the vehicle: Rear, Right
• Part type: Rear Light Assembly
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The described outer plug is an electrical system component responsible for a secure, sealed, and reliable connection between the tail lamp and the vehicle's wiring harness. It is mounted in the rear right body area, where it operates in direct proximity to the tail lamp assembly. A correctly selected plug minimizes the risk of power interruptions to bulbs or LED modules, which is important for both safety and the absence of errors in lighting control systems.

Compatibility with Mercedes vehicles

The component has been designed specifically for the Mercedes W204 family, ensuring factory-grade geometric fitment and the correct pin configuration. This means that no modifications to the wiring harness are required on the vehicle side, and installation is performed using the original mounting points and cable routing. This type of solution reduces the risk of leaks, contact looseness, and improper operation of brake lights, position lights, or turn signals.

Technical characteristics and installation

The plug works with the rear lamp on the right side, ensuring proper routing of electrical signals to individual lighting circuits. The connector design is adapted to the current loads typical for this area of the vehicle, and the contact layout is designed to reduce the risk of overheating and oxidation. Installation involves seating the plug into the lamp socket and connecting it to the factory harness, which in practice is a plug-in operation within the rear body section.

Component condition and service application

The product comes from disassembly and is intended for service applications in vehicles where the original connector has been damaged, contacts have melted, or wires have corroded in the lamp area. Replacing the plug is often an effective solution for problems with intermittent lighting, on-board computer errors regarding tail lights, or after bodywork and paint repairs in the rear right zone.

Expansion and modernization of the lighting system

When working on the vehicle's rear lighting system, it is worth treating the plug as part of the entire system, including the lamp, bulb holders, seals, and wiring harness. Properly selected components allow for maintaining electrical and mechanical consistency, which translates into stable operation of brake lights, position lights, and turn signals in daily use.

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes and need other elements from the same group, such as tail lamp assemblies, light modules, or bulb holders, check the available parts in the Mercedes rear lights and brake lights category.

If you want to deepen your knowledge about selecting consumables and used components in a car, as well as better understand the relationships between individual drive systems and accessories, the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which shows a practical approach to diagnostics and replacement of key components, may be helpful.