Quick-start voltage stabilization design, instantly light up the headlights with stable brightness and no flicker, improve driving safety Waterproof and shockproof high temperature resistant structure, adapt to complex road conditions and bad weather, longer service life For Benz For C-Class W204 LED DRL Control Module A2189009103 Materials: The xenon headlight ballast is made of metal, offering a long service life and robust durability Functions: Restores the normal function of xenon HID headlights, ensuring stable light output and nighttime driving safety, Manufacturer: JIIYP