Genuine OEM Audi Left Heated Wing Mirror Glass, part number 7M4857521D. This mirror glass serves as the reflective surface for the exterior side view mirror, incorporating a heating element to prevent fogging and ice buildup. It is specifically designed for the left (driver's) side of the vehicle. The glass features an integrated heating element and weighs approximately 0.146 kg. Choosing genuine OEM mirror glass ensures precise fitment, correct heating element function, and optimal optical clarity for safe driving visibility.