Mercedes-Benz C190/C207 Front Oxygen Sensor A0095426218 0258017353

This replacement uses Bosch OE-compatible zirconia ceramic sensor element and laser-welded process; durability measured to exceed 90% of OE parts, signal drift below 3% in long-term high-temperature exhaust. OEM numbers A0095426218 and 0258017353; fits Mercedes-Benz C190 (2014-2018) and C207 (2013-2016) including C180/C200/C300 2.0T and 3.0T engines. Function is real-time monitoring of air-fuel ratio and feedback to ECU to adjust injection and meet emissions; installation difficulty medium; requires 22mm O2 sensor socket; avoid pulling the harness; cold-start operation recommended to prevent scalding.