Mercedes-Benz C204/W166 Oxygen Sensor A0095425518 High-Quality Component, Durable Choice

Mercedes-Benz C204 (2011-2014) and M-Class W166 (2012-2015) OEM replacement oxygen sensor (OEM A0095425518) uses zirconia ceramic element and high-temperature stainless steel housing; superior aging resistance to most aftermarket parts. It accurately monitors air-fuel ratio and ensures closed-loop control stability; prevents increased fuel consumption or checker light false alarms due to signal drift. Replacement difficulty moderate; requires removing the front exhaust section; professional socket and anti-seize lubricant recommended; experienced owners may replace themselves to save labor.