Genuine OEM Mercedes-Benz Alternator Housing Seal Ring, part number A0001540460. This seal ring is designed to prevent leaks within the alternator housing, ensuring optimal performance and longevity of the charging system. It is positioned within the alternator assembly. Made from durable rubber, it provides a reliable seal against contaminants and moisture. Genuine OEM seals ensure precise fitment and material integrity, crucial for preventing internal component damage and maintaining electrical system reliability.