Description
Headlight Module Mercedes W205 LED Headlamp Ballast Control Unit is a specialized lighting system component designed to work with LED headlights in the front of the vehicle. It is responsible for precise control and power supply of the headlights, ensuring stable lighting parameters and proper integration with the electrical system. Thanks to its design tailored to the Mercedes W205 platform, the module allows for a technically correct replacement of a faulty controller without interfering with the factory wiring harness.
Specifications and technical data
- SKU: 1305715284
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: 1305715284
- Substitutable numbers: 1305715284
- Location on the vehicle: Front, Left, Right
- Category: Headlight Assemblies
Purpose and function in the front lighting system
The presented module operates within the front lighting system, supporting LED headlights on both the left and right sides. Its task is to control the operation of the diodes, monitor power levels, and communicate with the vehicle’s lighting control systems. A properly selected controller reduces the risk of dashboard errors, flickering lights, or overheating of lighting components.
The placement on the vehicle covers the front on both the driver and passenger sides, allowing for flexible application depending on the headlight configuration. This type of module is particularly important in vehicles with advanced LED lights, where the stability of electrical parameters translates into safety when driving at night.
Compatibility with Mercedes W205
The module has been designed for the Mercedes W205 class platform, which means it is perfectly matched in terms of connectors, mounting method, and control logic. Using an original design from the same family of parts allows for consistency with the factory lighting system, without the need for wiring modifications.
As a result, this component can be used both when replacing a faulty controller and when restoring full functionality to LED headlights after accident repairs. It is always recommended to confirm proper fitment for a specific equipment version based on the vehicle’s technical data.
Characteristics of the used module
The offered controller comes from the segment of used components, which allows for an economical repair of the lighting system while maintaining the original design. This type of solution is often chosen for LED headlight service, where new parts can be significantly more expensive than salvaged ones.
In practice, this means the ability to restore the correct operation of the front lights without compromising compatibility with the vehicle’s electronics. Before installation, it is recommended to perform a standard verification of the installation and connection integrity to eliminate potential damage on the side of the wiring harness or the headlights themselves.
Benefits of using a dedicated LED headlight controller
Using a dedicated control module in the Mercedes W205 provides a number of practical benefits:
- preservation of the factory operating logic of the LED headlights,
- stable lighting parameters and proper cooperation with the body electronics,
- reduction of the risk of system errors related to lighting,
- possibility of economical repair thanks to the use of a used part.
For workshops and private users, this means faster diagnostics and simpler installation, without the need to adapt universal solutions.
If you are planning a comprehensive repair or upgrade of the front lighting zone in your Mercedes and need other elements from the same group, such as headlights, height adjustment modules, or additional LED controllers, check the available parts in the Mercedes front lights category.
Additional technical support and vehicle development
During extensive service or modernization work, it is worth paying attention not only to the lighting system but also to the comfort inside the cabin. In this context, a guide on improving ergonomics and interior quality may be helpful – more information can be found in the article Interior metamorphosis: how branded seats from dismantling improve comfort and car value, which shows how to consciously choose used equipment elements.





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