Feature 1OE Number: The referencing OE number of this nox sensor probe are A0009054310, A0009056104, A0009052210, which is molded and designed depend on the original data. 2Fitment: The nitrogen oxide nox sensor is a replacement for MercedesBenz ECLASS W212 S212 COUPE CONVERTIBLE W207 C207 A207 CCLASS W204 S204 C204. 3Function: 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. 4Practical: The nitrogen oxide sensor has high precision, fast response, high accuracy, made of metal material which is wear proof, anti aging and impact proof. 5Easy to Install: Stringently manufactured to meet the original standard, good replacement for the old or broken one, improving the time efficiency.Item Type:NoxSensorOE Numer: A0009054310,A0009056104,A0009052210Material: MetalFitment:Replacement for MercedesBenz ECLASS W212 S212 COUPE CONVERTIBLE W207 C207 A207Replacement for MercedesBenz C-CLASSW204S204C204Replacement for MercedesBenzGLK X204Replacement for MercedesBenzR-CLASS W251 C251Replacement for MercedesBenzCLS W218 C218 X218(ONLY FOR SIX CYLINDER PETROL VEHICLES V6 M276) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x NoxSensorNotePlease double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!