Plug Socket Mercedes W221 Lamp Rear Left N/S Tail Light Wiring A2215450328

Visual condition of the part

The product shows signs of use visible in the photos.

Plug Socket Mercedes W221 Lamp Rear Left N/S Tail Light Wiring is a practical, original electrical system component designed to support the driver-side rear light. Thanks to its perfect fit with the factory wiring harness and lamp housing, it ensures a stable electrical connection and proper operation of the rear lighting, including position and brake lights.

Specifications and technical data

• SKU: A2218200166-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2218200166
• Substitutable numbers: A2218200166, A 221 820 01 66
• Location on the vehicle: Rear, Left
• Color: Obsidian Black Metallic - 197
• Category: Rear Light Assemblies

Purpose and function in the lighting system

The presented socket is a component from the Rear lights and brake lights group, dedicated for installation in the rear left part of the Mercedes S-Class W221 generation body. It is responsible for securely seating the bulbs and providing their electrical connection to the vehicle's wiring, which translates into clear signaling of braking and the vehicle's presence on the road.

Its placement in the driver-side rear lamp allows for direct replacement of a damaged or corroded socket without the need for wiring modifications. The plug socket solution facilitates maintenance and reduces the risk of installation errors.

Compatibility with Mercedes W221

The socket has been designed specifically for the Mercedes W221 platform, maintaining the manufacturer's factory standards. This means:

• compatibility with the original rear lamp on the left side,
• fitment for the standard electrical wiring harness,
• proper signal routing for position and brake lights.

Such compatibility promotes the consistency of the electrical system and facilitates the diagnosis of potential faults in the future.

Color scheme and integration with the body

The element is prepared for use with the Obsidian Black Metallic - 197 body color, which promotes aesthetic integration with the rear part of the vehicle. Although the socket itself is a technical component, its compatibility with the body color version helps maintain a consistent look of the rear zone, especially during comprehensive service work.

Characteristics of the used component

The offered component is a used part, sourced from dismantling, which allows for combining reasonable costs with maintaining the original manufacturer's specifications. In practice, this means the ability to restore full functionality to the rear lamp without the need to resort to replacements with uncertain parameters.

For many Mercedes users, choosing original used components is a conscious strategy for maintaining the car in good technical condition at controlled service costs.

Support with selection and expansion of the lighting system

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 combination lamps, light modules, or additional holders, check the available parts in the Mercedes rear lights and brake lights category.

To better understand why original used lighting and electrical system components are often a beneficial choice in terms of durability and costs, it is worth reading the article Mercedes – comfort, prestige, and durability. Why is it worth choosing original used parts?, which discusses the practical aspects of using such solutions.