The TYC 20-9374-00 Headlight Assembly is a high-quality replacement part designed specifically for the 2010-2012 Mercedes-Benz GLK350, positioned on the left side. This assembly ensures optimal illumination and safety, meeting or exceeding FMVSS 108 standards for photometry and safety compliance. Manufactured in facilities certified to ISO9001:2000 and QS9000 standards, it guarantees precision and durability. The assembly includes halogen bulbs for both low and high beams, as well as front signal and park lamp bulbs, all pre-installed for convenience. The clear plastic lens is treated with a special coating to prevent hazing and fading, maintaining clear visibility over time. Designed with OE-comparable fasteners and mounting tabs, it offers precise fitment and hassle-free installation, reducing downtime and labor costs. This headlight assembly is engineered to withstand harsh weather conditions and extreme temperatures, ensuring consistent performance and longevity. By choosing the TYC 20-9374-00, fleet operators can enhance vehicle safety and reliability, leading to reduced maintenance costs and improved operational efficiency.