Mercedes W207 Lamp Plug Rear Left N/S Light Socket Wiring A0255452226

The Mercedes W207 C207 Rear Left Lamp Plug Socket Wiring Harness is an original electrical installation component designed to service the driver's side rear lighting. This product, from the Rear Lights & Brake Lights category, ensures a proper connection between the lamp and the wiring harness, contributing to stable lighting operation and road safety. It's a practical solution for users looking to restore the full functionality of their Mercedes' factory lamp system.

Specifications and technical data

• SKU: A0255452226-3
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0255452226
• Substitutable numbers: A0255452226, A 025 545 22 26, A2078200364, A 207 820 03 64
• Location on the vehicle: Rear, Left
• Category: Rear Light Assemblies

Vehicle Application and Placement

The presented plug with socket and wiring harness is dedicated for installation in the rear lamp on the left side of the body in W207/C207 series models. This component is responsible for the electrical connection of the lamp assembly to the vehicle's wiring, supporting functions such as the position light, brake light, or turn signal – depending on the specific lamp configuration.

Its placement on the rear left side allows for precise fitting to the factory lamp bracket and original wiring harness, minimizing the need for modifications and simplifying installation.

Lamp Connector Construction and Function

The plug is a complete socket-to-wire connection, designed to Mercedes' electrical specifications. The construction includes:

• a dedicated socket that fits the rear left lamp,
• a section of wiring for connection to the factory harness,
• contact terminals adapted for the typical loads of exterior lighting.

By maintaining the original connector geometry and correct pin configuration, this component allows for stable electrical signal transmission without the need for adapters or makeshift soldered connections.

Benefits of Using an Original Lamp Plug

Using the dedicated rear left lamp plug in a Mercedes W207/C207 offers several practical benefits:

• Factory Fitment – the connector is designed for the specific lamp and body, minimizing the risk of looseness, circuit interruptions, or installation errors.
• Safe Lighting Operation – a proper electrical connection reduces the risk of flickering lights, dashboard error messages, and contact overheating.
• Minimal Harness Interference – installation without additional adapters helps preserve the original wiring structure.
• Compatibility with Vehicle Systems – a correct connector is crucial for proper interaction with body control modules responsible for lighting diagnostics and control.

Product Condition and Service Application

This item is offered as a used part, making it an attractive service solution in case of damage to the factory plug, melted socket, or corroded contacts. It is practically useful for repairs after collisions as well as for troubleshooting intermittent lighting issues on the rear left side.

Replacing the plug with wiring is particularly beneficial when the existing connector has been frequently disconnected, exposed to moisture, or subjected to improper loads, which could have led to mechanical or electrical damage.

Selection and Compatibility within the Category

When selecting this type of component, it is crucial to ensure it matches the specific category of Rear Lights & Brake Lights for Mercedes vehicles. If you require other solutions in this area, please check the available Mercedes Rear Lights & Brake Lights to select components that fit other body styles and models.

For users interested in a broader approach to vehicle maintenance and the selection of used parts, including components subject to operational loads, a helpful guide discusses the differences between standard and more specialized solutions. It is worth reading the article: Standard vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?, which offers a practical perspective on choosing used vehicle components.