Mercedes S204 Rear Right O/S Tail Light Bulb Mount Holder A2048202477

Mercedes S204 Rear Right O/S Tail Light Bulb Mount Holder is an original lighting system component designed for installation in the right rear tail light of vehicles in this series. It ensures secure bulb seating, proper electrical connections, and compatibility with the factory wiring harness, which translates into safe and predictable light operation and compliance with road traffic regulations. As a used part, it represents a reasonable, cost-effective solution for repairing or restoring the original lighting configuration.

Specifications and technical data

• SKU: A2048202477
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2048202477
• Substitutable numbers: A2048202477, A 204 820 24 77
• Location on the vehicle: Rear, Right
• Category: Bulbs & LEDs

Purpose and function of the component

The tail light bulb holder on the right side of the S204 body is responsible for the mechanical mounting of the bulbs and their electrical connection to the vehicle's wiring. This component:

• enables the correct operation of the position light, brake light, turn signal, and other functions provided in the given lamp,
• ensures stable contacts, reducing the risk of flickering or lighting failure,
• maintains the bulbs in the correct position relative to the reflectors and lens, which promotes clear signaling for other road users.

Thanks to its fitment to the specific design of the tail light, the right side of the body maintains factory illumination geometry and consistency with other lighting elements.

Benefits of using an original bulb holder

Using an original bulb holder in the S204 right tail light allows you to avoid problems typical of aftermarket replacements with imprecise fitment. Key advantages include:

• factory fitment with the lamp – no need for modifications, drilling, or adjusting the component,
• compatibility with the original electrical wiring, which facilitates installation and reduces the risk of connection errors,
• maintaining a uniform standard of parts in the vehicle, which is important for further diagnostics and service.

Choosing a used, original component is particularly beneficial for post-accident repairs or when replacing a damaged lamp, when you want to maintain a design consistent with the manufacturer's specifications.

Condition, installation, and practical aspects

As a used part, the S204 right tail light bulb holder is a solution that allows you to reduce repair costs while maintaining the original specification. Before installation, it is recommended to perform a standard check of the contacts and bulb sockets, as well as clean the working surfaces to ensure the most stable electrical connections possible.

Its location in the rear right part of the vehicle facilitates service – access to the holder is usually obtained after removing the trunk trim or the lamp itself. In practice, installation comes down to:

• disconnecting the electrical wiring connector,
• releasing the clips or screws securing the holder,
• transferring or replacing the bulbs and re-seating the component in the lamp.

This solution allows for efficient replacement of a damaged holder without interfering with the body structure.

Safety, diagnostics, and operation

A functional right tail light bulb holder has a direct impact on the clarity of the vehicle's light signaling. Faulty contacts, overheated sockets, or loosely seated bulbs can cause errors in lighting control systems and significantly reduce driving safety after dark and in difficult weather conditions.

In the case of recurring lighting failure messages, it is worth including the condition of the bulb holder in your diagnostics, not just the bulbs or the wiring itself. For drivers interested in a broader perspective on the operation and repair of steering and control system components, we have prepared an article: how the steering system and power steering work and what are the typical symptoms of faults.

A reasonable choice in terms of costs and ecology

Using a used, original right tail light bulb holder in a Mercedes S204 is not only a cost saving but also a form of responsible approach to vehicle operation. Reusing functional components reduces waste and fits into the idea of conscious motoring. If you are interested in the broader context of such solutions, it is worth reading the material on how recycled parts can support eco-tuning and carbon footprint reduction.