A2189007306 is an LED headlight control module (also known as an LED driver module or ballast) that comes with Mercedes Benz. This module is one of the core components of the Intelligent Light System (ILS) for vehicles, responsible for providing stable current drive and control for LED headlights. Product features Characteristic Description The original factory replacement standard adopts the original car mold design, which is completely matched with the original car installation position and does not require modification. Plug and play installation usually does not require complex programming, and some vehicle models may require simple matching. .