2479004204 for Benz for GLS167 GLE GLC253 177 headlight module daytime running light control module Material: This headlight ballast is made of metal, rubber, and ABS materials, making it wear-resistant, robust, and durable Function: The xenon headlight ballast provides sufficient voltage and current throughout and regulates current after the bulb illuminates Headlight driver module, intelligent decoding eliminates faulty lights and improves light stability。 Xenon ballast, low power consumption and high brightness, no decay for long time use。, Manufacturer: LLYIXUAI