奔驰原装位氧传感器0015404617 空燃比精准监测 原厂性能替换

This oxygen sensor is designed for 2006-2011 Mercedes-Benz C-Class (W204), E-Class (W211), S-Class (W221), and M-Class (W164) with M271 or M272/M273 engines, covering 3.0L-5.5L displacements; ensures precise monitoring of air-fuel ratio for efficient combustion. OEM 0015404617 matches original part; direct replacement to avoid MIL or abnormal fuel consumption. Use dedicated socket tool; operate in cold engine to prevent burns; disconnect negative battery before removal. For B2B buyers, this sensor uses OEM standard electrical interface compatible with Bosch and Delphi systems; bulk purchase reduces inventory risk and suits high-mileage vehicle repairs.