Mercedes-Benz NOx Sensor A0009050900 | OEM | Vitesco (formerly Continental)Brand new genuine OEM NOx sensor for Mercedes Benz vehicles. This sensor is produced by Vitesco Technologies, which was formerly the powertrain division of Continental AGa long time trusted supplier to Mercedes Benz. After spinning off from Continental, Vitesco continues to manufacture high quality emission system components used by Mercedes Benz in original vehicle production. This is not an aftermarket copy it's the same exact unit you'd receive