Mercedes W176 Bulb Holder Light Lamp Socket Rear Right O/S A1768200477

Mercedes W176 Bulb Holder Light Lamp Socket Rear Right O/S A1768200477 is an original lighting system component designed for installation in the vehicle's rear right lamp. It ensures stable bulb seating, a secure connection to the electrical harness, and proper operation of lighting functions. This is a practical solution for users who want to restore full functionality to their Mercedes rear lighting in a technically correct manner that complies with the factory design.

Specifications and technical data

• SKU: A1768200477
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1768200477
• Substitutable numbers: A1768200477, A 176 820 04 77
• Location on the vehicle: Rear, Right
• Category: Light Bulbs & LEDs

Purpose and function in the lighting system

The holder is designed for installation in the rear right lamp, where it is responsible for mechanically securing the bulbs and providing their electrical connection to the vehicle's wiring. A properly selected bulb holder minimizes the risk of looseness, light flickering, or intermittent power interruptions, which directly affects the visibility of light signals to other road users.

The component works with the rear lamp for functions such as the position light, brake light, or turn signal (depending on the specific lamp configuration in a given vehicle), serving as a vital link between the wiring harness and the light sources.

Construction and fitment for Mercedes W176

The holder has been developed for the Mercedes A-Class W176 generation, ensuring that the mounting geometry and contact layout are matched to the factory rear lamp on the right side. Proper guidance of the bulb sockets and precise shaping of the mounting zones facilitate installation and reduce the risk of incorrect component seating.

As a part from the Lamps and LED lights group, the holder works with the vehicle's lighting system in accordance with the manufacturer's specifications, which helps maintain the correct operating parameters of the entire system – from voltage stability to the proper functioning of diagnostic features.

Condition, service application, and benefits of installation

The offered item is in used condition, which allows for an economical restoration of the lighting system's efficiency while maintaining the original mounting specification. In practice, this means the ability to replace a damaged or melted holder without the need to interfere with the electrical harness or modify the lamp.

Replacing the holder is particularly recommended in situations where problems occur such as:

• intermittent light failure in the rear right lamp,
• corrosion or overheating of the bulb socket contacts,
• loose bulb seating resulting in flickering or light control system errors.

Choosing an original bulb holder allows you to maintain the consistency of the installation with service documentation and facilitates further electrical diagnostics of the vehicle.

Integration with the LED lighting system and safety

As an element from the Lamps and LED lights category, the holder works with the modern lighting solutions used in the Mercedes W176, ensuring proper routing of electrical signals to individual light points. Stable contact connections reduce the risk of local overheating and voltage drops, which translates into uniform lamp operation and signal clarity for other drivers.

For drivers who want to deepen their knowledge on the selection and operation of modern lighting systems, the following guide will be useful: See more and better – a complete guide to selecting and replacing used LED and Xenon headlights. It allows for a better understanding of the relationship between component quality and driving safety.

Fitment, choosing a used part, and additional resources

When choosing a used bulb holder for the rear right lamp, it is worth paying attention to compatibility with the specific body version and lighting configuration to maintain full functionality of all lights. A used original component often represents a favorable compromise between cost and durability, especially for components with a relatively simple design, such as bulb holders.

If you want to better compare the advantages of used and new parts in the context of service costs and durability, the following article will be helpful: New or used? A comparison of costs and quality of car parts, which discusses practical scenarios for component selection.

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 holders, control modules, or complete lamps, check the available parts in the category Mercedes Lamps and LED lights.

Summary

Mercedes W176 Bulb Holder Light Lamp Socket Rear Right O/S A1768200477 is a practical choice for users who want to restore full rear lighting functionality while maintaining the factory installation standard. The original design, fitment for the rear right side of the vehicle, and compatibility with the electrical system make it a technically safe and convenient solution for service, especially in the case of repairs performed in stages within the lighting system.