Application Compatible for Mercedes-Benz CLA250 2015 Sport Sedan 4-Door 2.0L 1991CC 121 Cu. In. l 4 GAS DOHC Turbocharged compatible for Mercedes-Benz CLA250 2014-2016 4 Matic Sedan 4-Door 2.0L 1991CC l 4 FLEX DOHC Turbocharged compatible for Mercedes-Benz CLA250 2014-2016 4 Matic Sedan 4-Door 2.0L 1991CC l 4 GAS DOHC Turbocharged compatible for Mercedes-Benz CLA250 2014-2016 Base Sedan 4-Door 2.0L 1991CC l 4 GAS DOHC Turbocharged compatible for Mercedes-Benz GL320 2007-2008 CDI Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz GL320 2009 Bluetec 4 Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz GL350 2010-2016 Bluetec 4 Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz ML320 2009 Bluetec 4 Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz ML320 2007-2008 CDI Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz ML350 2013 Base Sport Utility 4-Door 3.5L 3498CC 213 Cu. In. V6 GAS DOHC Naturally Aspirated compatible for Mercedes-Benz ML350 2012-2015 4 Matic Sport Utility 4-Door 3.5L 3498CC V6 FLEX DOHC Naturally Aspirated compatible for Mercedes-Benz ML350 2012-2015 4 Matic Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated compatible for Mercedes-Benz ML350 2013-2015 Base Sport Utility 4-Door 3.5L 3498CC V6 GAS DOHC Naturally Aspirated compatible for Mercedes-Benz ML350 2010-2015 Bluetec 4 Matic Sport Utility 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged compatible for Mercedes-Benz ML400 2015 4 Matic Sport Utility 4-Door 3.0L 2996CC V6 GAS DOHC Turbocharged compatible for Mercedes-Benz S350 2012-2013 Bluetec 4 Matic Sedan 4-Door 3.0L 2987CC V6 DIESEL DOHC Turbocharged Specification Nox Sensor compatible for Mercedes-Benz W221 ML320 ML350 S350 GL350 Quantity:1 Warranty:one year warranty for any manufacturing defect Condition: New Package Include: 1 x Nox Sensor OEM Number or Interchangeable Part Number: A0009052900, 5WK96683, A0009052800, A0009053603, A0009057100, A0065420918 Note* Please calibrate your Sensor after install * Please confirm your original part number or oem numbr can matche up with one of the part numbers above * Professional installation is highly recommended (No Instruction Included) * For whatever we can help, please feel free to contact us. We are always here for you.