The TYC 20-9972-00 Headlight Assembly is a direct-fit replacement designed specifically for the 2016-2019 Mercedes-Benz GLC-Class, ensuring seamless integration and optimal performance. This assembly includes halogen bulbs for both high and low beams, along with LED bulbs for the daytime running light and front side marker light, providing enhanced illumination and energy efficiency. Manufactured with precision, the assembly features a black housing and clear lens, maintaining the vehicle's aesthetic appeal. The housing is constructed from durable plastic, while the lens is made of clear plastic, offering clarity and resistance to wear. The assembly is SAE/DOT compliant, meeting or exceeding FMVSS 108 standards for photometry and safety compliance, ensuring reliable and safe operation. OE-comparable fasteners and mounting tabs facilitate precise fitment and hassle-free installation, reducing downtime and labor costs. Rigorous cycling tests validate the assembly's quality and durability, confirming its ability to withstand various driving conditions. Certified ISO9001:2000 and QS9000 facilities produce precision components for all aspects of the light assembly, reflecting TYC's commitment to quality. A special coating on the lens prevents hazing and fading, ensuring consistent illumination and maintaining the vehicle's appearance over time. This headlight assembly is a cost-effective alternative to OEM parts, offering factory-original quality for less, and is backed by a limited lifetime warranty, providing peace of mind for fleet operators seeking reliable and durable lighting solutions.