Mercedes W220 Rear Tail Light Lamp Side Wiring Plug Cable Right O/S A2208200864

Mercedes W220 Rear Tail Light Lamp Side Wiring Plug Cable Right O/S is an original electrical system component designed to support the right rear light on the W220 body. Thanks to its factory-fit for the specific Mercedes model, it ensures a secure electrical connection, stable lighting performance, and easier troubleshooting of potential faults. Using an OEM component is a sensible choice for repairs when you prioritize compatibility with the factory installation.

Specifications and technical data

• SKU: A2208200864-2
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2208200864
• Substitutable numbers: A2208200864, A 220 820 08 64
• Location on the vehicle: Rear, Right
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the vehicle

The presented wiring harness belongs to the Wires, harnesses, and connectors group and is dedicated to the rear right side of the vehicle. It is responsible for supplying power and control signals to the right tail light, which directly affects the operation of position lights, brake lights, turn signals, or license plate lighting – depending on the specific lamp configuration in the Mercedes W220.

The placement at the rear right side means the harness has been designed for specific cable routing, length, and body geometry, which facilitates installation and reduces the risk of tension or insulation abrasion.

Advantages of using an original Mercedes wiring harness

Using an original cable with the correct connector for the tail light in a Mercedes W220 allows you to maintain the consistency of the electrical system with the manufacturer's factory design. In practice, this means:

• proper fit of the connector to the lamp socket and body installation,
• stable electrical contacts reducing voltage drops and lighting flickering,
• easier diagnostics in case of future repairs or measurements,
• no need for modifications, soldering, or creating adapters.

For users who value consistency with the factory installation and predictable lighting system behavior, a used OEM harness is a practical service solution.

Component condition and service application

The offered cable with a plug for the right tail light comes from disassembly and is classified as a used original part. This type of part is particularly useful in situations where the existing harness has suffered mechanical damage, contact overheating, connector corrosion, or interference from unprofessional repairs.

Replacing it with a factory harness allows you to restore proper electrical connections without the need for system modifications, which is important both from a safety perspective and for future vehicle maintenance.

Practical installation tips

When installing the right tail light wiring harness in a Mercedes W220, it is worth paying attention to:

• routing the cable in accordance with the original clips and grommets,
• checking the condition of the lamp socket and ground points in the vicinity,
• securely seating the connector to avoid looseness and contact overheating,
• verifying the operation of all lighting functions after installation.

Such an approach minimizes the risk of recurring faults and ensures stable operation of the rear lighting system in daily use.

Expanding the installation in the rear body area

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 additional harnesses, connectors, or cable sections, check the available parts in the Mercedes Wires, harnesses, and connectors category.

If you are considering whether it is better to choose a new part or a used OEM one for such an element, it may be helpful to compare costs and durability as described in the article New or used? A comparison of costs and quality of car parts, where you will find practical examples and tips on selecting components for electrical system repairs.