The TYC 20-9374-00-9 Headlight Assembly is a high-quality replacement part designed specifically for the 2010-2012 Mercedes-Benz GLK350, positioned on the left side. Manufactured by TYC, a recognized leader in automotive lighting solutions, this headlight assembly offers a reliable and cost-effective alternative to original equipment manufacturer (OEM) parts. Constructed with durable plastic housing and a clear plastic lens, it ensures longevity and consistent performance under various driving conditions. The assembly includes halogen bulbs for both low and high beams, as well as front signal and park lamp bulbs, providing comprehensive lighting functionality. Designed to meet or exceed Department of Transportation (DOT) and Society of Automotive Engineers (SAE) standards, this headlight assembly ensures optimal illumination and safety compliance. The lens features a special coating that prevents hazing and fading, maintaining clear visibility over time. OE-comparable fasteners and mounting tabs facilitate precise fitment and hassle-free installation, minimizing downtime and operational disruptions. Rigorous cycling tests and production in ISO9001:2000 and QS9000 certified facilities underscore the assembly's quality and durability. By choosing the TYC 20-9374-00-9 Headlight Assembly, fleet operators can ensure their vehicles maintain optimal lighting performance, enhancing driver visibility and safety while reducing maintenance costs associated with frequent bulb replacements.