A0009052709 0009052709 Nitrogen Oxygen Nox Sensor 12v For Mercedes For Benz X253 C253 R172 W447 V200 Slk250 R172 Glc Car Nox Sensors

A0009052709 0009052709 Nitrogen Oxygen Nox Sensor 12v For Mercedes For Benz X253 C253 R172 W447 V200 Slk250 R172 Glc By Monitoring And Measuring Nox Concentrations In The Exhaust Stream, The Engine Can Achieve An Optimal Mixture Concentration. This Ensures The Engine Is Continuously Monitored And Operating Efficiently, Reducing Exhaust Emissions And Saving Fuel. Installation And Use: Rigorously Tested And Compatible With Your Vehicle. Compatibility Check To Ensure Fit: Check The Part Number On Your Old Device Before Purchasing.