Lamp Plug Mercedes W221 Rear Right O/S Light Socket Wiring A2115450328

Lamp Plug Mercedes W221 Rear Right O/S Light Socket Wiring is a practical electrical system component responsible for a secure connection between the wiring harness and the passenger-side tail lamp. This component from the Tail lights and brake lights category allows for the restoration of proper lighting operation, ensuring stable bulb seating and correct electrical contact. Thanks to its original design tailored to the W221 body, installation is straightforward and predictable.

Specifications and technical data

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

Purpose and function in the vehicle

The described socket is designed for installation in the rear right part of the body, where it works with the lamp assembly responsible for position lights, brake lights, and turn signals. As an electrical system component, it is responsible for:

• mechanically holding the bulbs in the correct position within the lamp,
• a stable connection of contacts with the wiring harness,
• transmitting power to individual rear lighting circuits.

Due to its fitment for the specific body model, the socket works with the factory lamp without the need for modifications, which reduces the risk of installation errors and lighting operation issues.

Construction and compatibility

The tail lamp socket is designed as a plug-in component with a properly shaped base and wiring connector. The construction provides:

• dedicated sockets for bulbs used in the tail lamp,
• a set of contacts selected for the current load of brake and position lights,
• a wire routing layout that minimizes stress on the connector.

Such a solution facilitates servicing – in case of contact damage, overheating of the holders, or corrosion issues, it is possible to replace the socket itself without interfering with the entire lamp. This practical approach helps reduce repair costs while maintaining the factory installation logic.

Condition and utility aspects

The item comes from dismantling, which means it is a pre-owned part that retains the functionality required for further use. For electrical components of this type, it is important that:

• the contacts are free from excessive signs of overheating,
• the socket body has no cracks affecting its mounting in the lamp,
• the wiring connector ensures a secure latch in the factory socket.

Replacing the socket is particularly recommended when intermittent lighting failures occur, lighting error messages appear on the dashboard, or visible signs of melting are present around the bulb holders.

Benefits of using an original socket

Using an original rear right lamp socket in a Mercedes W221 brings a number of practical benefits:

• Proper fit – the component is structurally compatible with the factory lamp and wiring, which eliminates the need for modifications.
• Stable lighting operation – correct bulb seating and secure contacts reduce the risk of flickering or lighting failure.
• Operational safety – functional tail and brake lights are crucial for vehicle visibility and the reaction of drivers behind you.
• Economical repair – replacing the socket alone allows you to avoid purchasing a complete lamp, which is cost-effective.

Support with selection and additional information

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 lenses, lamp modules, or additional holders, check the available parts in the Mercedes tail lights and brake lights category.

When choosing used body and electrical equipment components, it is worth knowing good practices related to installation and assessing the condition of such components – the article on replacing body elements with used parts and maintaining high visual and functional quality may be helpful, as it discusses how to reasonably use dismantled parts in premium brand vehicles, including Mercedes.