Mercedes W204 Estate Bulb Socket Rear Right O/S Light Lamp Holder Side Panel

Mercedes W204 Estate Bulb Socket Rear Right O/S Light Lamp Holder Side Panel is an original lighting system component designed for the rear right lamp in the estate body style. The socket ensures stable bulb seating and a secure electrical connection, which translates into efficient operation of the rear lights and road safety. It is a practical solution for users who want to restore full lighting functionality without compromising on fitment.

Specifications and technical data

• SKU: A2048201777
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048201777
• Substitutable numbers: A2048201777, A 204 820 17 77, BG
• Location on the vehicle: Rear, Right
• Category: Light Bulbs & LEDs

Purpose and function of the bulb socket

The presented socket is a component of the rear lighting system, mounted on the right side of the vehicle. It is responsible for:

• mechanically holding the bulbs in the rear lamp,
• ensuring a stable electrical contact,
• correct positioning of light points within the lens.

Thanks to this, the position lights, brake lights, or turn signals can operate in a predictable manner consistent with the manufacturer's specifications. Using a dedicated socket for a specific estate body model allows for maintaining factory lighting geometry and proper cooperation with the vehicle's electrical system.

Construction adapted to Lamps and LED lights

The product belongs to the Lamps and LED lights category, which means it has been designed to work with modern lighting solutions used in Mercedes vehicles. The rear lamp bulb socket:

• is prepared for operation in demanding external environments (moisture, temperature fluctuations),
• enables correct routing of electrical signals to individual light points,
• supports maintaining appropriate brightness and visibility of the lights for other road users.

Such a solution facilitates lighting system maintenance – in case of damage to the bulb base, you can replace the socket itself without interfering with the entire rear lamp.

Vehicle placement and mounting aspects

The socket is intended for installation in the rear right lamp of the vehicle, which eliminates the risk of error when selecting the side. Clearly defined vehicle placement facilitates work for mechanics and individuals servicing the car themselves, and also helps avoid compatibility issues. In practice, this means:

• easier identification of the correct part during repair,
• consistency with the original electrical harness,
• maintaining the proper operation of all rear lamp functions on the right side.

Thanks to this, replacing a damaged socket is a predictable process and allows for quickly restoring full lighting efficiency.

Characteristics of the used OEM component

The offered bulb socket is an original Mercedes component sourced from dismantling, which ensures compliance with factory quality and fitment standards. The used OEM element retains the construction intended by the vehicle manufacturer, thanks to which:

• it fits the factory lamp housing without modifications,
• it works with the original electrical installation,
• it allows for maintaining the technical consistency of the entire lighting system.

For many users, this is a reasonable compromise between repair costs and maintaining the original vehicle specification, especially in the case of consumables related to lighting.

Integration with other Mercedes lighting components

The rear right lamp bulb socket is part of a larger vehicle lighting system. In the case of extensive service work, it is worth paying attention to the condition of other components in this area – the lens, seals, or wiring harness. 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 lamp bases, control modules, or complete light assemblies, check the available parts in the Mercedes Lamps and LED lights category.

Safety and selection of appropriate components

An efficient lighting system has a direct impact on vehicle visibility and driving safety, especially after dark and in difficult weather conditions. A properly selected rear lamp bulb socket:

• minimizes the risk of circuit interruption and light flickering,
• limits the possibility of contact overheating,
• supports uniform illumination of individual light points.

For those who want to deepen their knowledge on selecting and replacing lighting components, including LED and Xenon headlights, 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 importance of using original components in lighting systems.