Mercedes-Benz NOx Sensor A0009059703 5WK96682E 12V NOx Emission Monitoring

Mercedes-Benz 2010-2016 NOx sensor kit for W204/W212/W166 with OEM A0009059703 (Bosch 5WK96682E), compatible with OM642 or OM651 diesel engines (2.1L and 3.0L). Precisely monitors NOx concentration to ensure SCR system efficiency and Euro 5/Euro 6 compliance. Replacement should include inspection of related wiring harnesses and mounting locations to avoid carbon buildup or corrosion causing signal anomalies. Replacement difficulty: medium; requires specialized tool.