Mercedes W211 Rear Right O/S Tail Light Lamp Plug Socket Wiring A2115450328

Mercedes W211 Rear Right O/S Tail Light Lamp Plug Socket Wiring is an original lighting system component designed for the right rear tail light in Mercedes E-Class W211 models. Thanks to its factory-spec fitment, it ensures a stable electrical connection, reducing the risk of lighting errors and dashboard warning messages. It is a practical solution for post-collision repairs, lamp replacements, or damaged wiring harnesses.

Specifications and technical data

• SKU: A2118202664-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2118202664
• Substitutable numbers: A2118202664, A 211 820 26 64, A2115450328, A 211 545 03 28
• Location on the vehicle: Rear, Right
• Category: Centre & Third Brake Light Assemblies

Purpose and function of the tail light plug

The presented plug is a component from the Main and center brake lights group, responsible for the correct power supply and control of the rear tail light on the right side of the vehicle. The vehicle placement specified as rear right ensures that the component is structurally matched to the specific side of the body, which facilitates installation and minimizes the risk of errors.

A properly selected plug allows for:

• maintaining the correct operation of the brake light and other lamp functions,
• avoiding overheating and loose contacts thanks to the correct connector geometry,
• seamless integration with the original Mercedes electrical wiring harness.

Original Mercedes quality and fitment

The element comes from the Mercedes brand, which means maintaining factory standards of workmanship, geometry, and materials used in the W211 lighting system. The original plug is designed for long-term operation in the trunk area, where temperature changes, moisture, and body vibrations occur.

As a result, the user gains:

• secure fitment with the tail light and vehicle wiring,
• reduced risk of accidental disconnection during operation,
• compatibility with factory lighting control systems in the Mercedes W211.

Application in repairs and diagnostics

The right-side tail light plug is particularly useful for repairs following mechanical damage, contact corrosion, or overheating of the bulb socket. Replacing the plug itself often allows you to avoid the costly replacement of the complete wiring harness, restoring the correct operation of the brake light and other lamp functions.

This solution is suitable for situations where:

• there are signs of scorching or oxidation on the connectors,
• the tail light operates unstably despite functional bulbs or modules,
• the wires in the vicinity of the right-side lamp have been damaged.

Characteristics of the used product

The offered plug is an aftermarket component, which in practice means a favorable cost-to-quality ratio while maintaining the original Mercedes design. A used component of this type is particularly attractive for older vehicle generations, where both reliability and repair economy are important.

Choosing an original, used plug instead of a cheap replacement allows you to maintain the integrity of the electrical system and reduce the risk of compatibility issues that may arise with components of a different manufacturing standard.

Expanding Mercedes lighting upgrades

If you are planning a comprehensive repair or upgrade of the rear lighting zone in your Mercedes W211 and need other elements from the same group, such as housings, modules, or complete lamps, check the available parts in the Main and center brake lights Mercedes category.

When planning post-accident repairs or body component replacements, it is also worth considering the use of proven aftermarket components – you can find more on this topic in the article Post-accident repair of your car: why are used body parts a better choice than replacements?, which compares the practical aspects of using used elements versus replacements.