Items Description: -A2129005324 is a control driver module (often referred to as a ballast or LED driver) suitable for the Mercedes Benz E-Class (W212/S212/W207) full LED headlight system. -Installation and matching: Installation is relatively simple, usually a plug and play module. -Light source type: specially designed for LED headlights. -Features: Designed specifically for LED headlights (not compatible with xenon headlights). Has certain waterproof and dustproof capabilities. Some products support universal installation of left and right headlights. -Main compatible vehicle models .
