Mercedes W447 Rear Lamp Right O/S Tail Light Bulb Holder Socket A4478202400

The Mercedes W447 Right Lamp Insert is an original part from the Rear Lights and Brake Lights group, designed for installation on the right rear side of the body. The used insert ensures factory fit for the electrical system and lamp geometry, facilitating service and reducing the risk of compatibility issues. It is a practical solution for post-accident repairs, replacing a damaged lighting module, or restoring full vehicle lighting functionality.

Specifications and technical data

• SKU: A4478202400
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A4478202400
• Substitutable numbers: A4478202400, A 447 820 24 00
• Location on the vehicle: Rear, Right
• Category: Rear Light Assemblies

Purpose and Placement of the Lamp Insert

The presented lamp insert is specifically designed for the rear right side of the body in W447 series models. Its placement in the rear area means the component is responsible for the vehicle's correct light signaling to other road users, including the functions of the position light and brake light, in accordance with the complete lamp's design.

Thanks to its factory housing geometry and appropriately spaced mounting points, the insert works with the original lamp and wiring harness, promoting stable installation and minimizing the need for additional modifications.

Benefits of Using an Original Lamp Insert

Using an original insert in a Mercedes vehicle maintains technical consistency with other lighting system components. This is particularly important in modern designs where optical and electrical parameters are precisely matched to the specific body model.

Key advantages of this solution include:

• factory fit for the rear right side of the vehicle,
• preservation of the manufacturer's intended illumination characteristics,
• easier diagnosis of potential future faults,
• visual consistency with other lighting elements.

Choosing such an insert is beneficial for both routine maintenance repairs and for restoring the vehicle to its pre-damage condition after a collision.

Characteristics of a Used Part

The offered lamp insert is a used part, meaning it comes from a dismantled vehicle and has been previously used. Such components are often chosen when cost optimization for repairs is a priority, while maintaining original construction and fit for the specific model.

A used insert offers a sensible compromise between price and functionality, especially for lighting components where compatibility with the factory installation and correct interaction with the vehicle's electronics are crucial.

Application in the Rear Lights and Brake Lights System

As a component of the Rear Lights and Brake Lights category, the lamp insert plays an important role in the vehicle's active safety system. Properly functioning rear lighting affects the car's visibility after dark, during braking, and in adverse weather conditions, contributing to driving comfort and safety.

If you are planning a comprehensive repair or upgrade of the rear lighting area in your Mercedes and need other parts from the same group, such as lamp modules, lenses, or additional light segments, check the available parts in the Mercedes Rear Lights and Brake Lights category.

Summary and Technical Tips

The Mercedes W447 Right Lamp Insert is a practical choice for replacing a damaged rear lighting module on the right side of the vehicle. Its original origin, fit for the specific body series, and preservation of the lighting system's factory operating characteristics facilitate trouble-free installation and operation.

Before purchasing, it is advisable to verify the part's compatibility with your specific vehicle version, using service documentation or consulting with a mechanic, to ensure full compatibility with the electrical system and lamp construction.