1、OE Number: The referencing OE number of this nox sensor probe are A0009054310, A0009056104, A0009052210, which is molded and designed depend on the original data. 2、Fitment: The nitrogen oxide nox sensor is a replacement for E‑CLASS W212 S212 COUPE CONVERTIBLE W207 C207 A207 C‑CLASS W204 S204 C204. 3、Function: The nox sensor is used to check the nitrogen oxide content of the exhaust to optimize exhaust and fuel economy, which is practical and energy saving. 4、Practical: The nitrogen oxide sensor has high precision, fast response, high accuracy, made of metal material which is wear proof, anti aging and impact proof. 5、Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency. Item Type: Nox Sensor OE Numer: A0009054310, A0009056104, A0009052210 Material: Metal Fitment: Replacement for E‑CLASS W212 S212 COUPE CONVERTIBLE W207 C207 A207 Replacement for C-CLASS W204 S204 C204 Replacement for GLK X204 Replacement for R-CLASS W251 C251 Replacement for CLS W218 C218 X218 (ONLY FOR SIX CYLINDER PETROL VEHICLES V6 M276) 1 x Nox Sensor