The MBBNOx equipment allows testing on NOx sensors in Diesel vehicles and measures the concentration of oxygen gases and NOX (PPM), allowing efficient diagnosis of Arla 32 EURO 5 and 6 after-treatment systems. The diagnosis of NOx sensors can be performed in the vehicle or on the bench, its easy usability and essential features are the highlight of the equipment, allowing efficient diagnosis for Mercedes-Benz diesel vehicles.