Xenons4U deals in specialized automotive products. As an online retailer, we provide services for the best automotive products across the UK. We take pride in offering the best A0009054510 A3C01131300-613 NOx sensor which is factory fitted on Mercedes-Benz cars. After conducting your car’s diagnostics, if your car shows any of the fault codes related to the nox sensor, it means that the NOX sensor has failed and needs to be replaced. Earlier replacement will avoid damages to the DPF filter. Do remember error cleaning may be required, but just once after fitting a new NOX sensor. To buy this product you can simply visit our website for its compatibility list information.