Isicelo seMercedes Benz,
I-OEM: A0009057100 , 5WK9 6683A, 5WK9 6683A
I-NOx inzwa ye-nitrogen oxide iyidivayisi yezinga lokushisa eliphezulu/inzwa eyakhelwe/edizayinelwe ukuthola ama-nitrogen oxides endaweni evuthayo efana nokukhipha umoya wezimoto noma wamaloli.Ukuthuthukiswa kwezinzwa zegesi ephumayo ze-NOx kwaqala ngawo-1990.Indawo yakamuva kakhulu yohlelo lokusebenza lwenzwa ye-NOx izinhlelo ze-SCR zezinjini zedizili ezilula nezisindayo.Ukwanelisa izidingo ezahlukahlukene ze-OBD, amasistimu e-SCR ngokuvamile asebenzisa inzwa ye-NOx ezansi nomfula we-SCR catalyst.Uma i-NOx eningi noma ukugxiliswa kwe-ammonia kukhona endaweni yokukhipha i-SCR, ukungasebenzi/iphutha kwe-OBD kuzoqaliswa, njengoba izinzwa ze-NOx zizwela kuwo womabili amagesi.Uma iphutha/iphutha elinjalo litholwa, i-ECU yemoto izoqala isibali-sikhathi se-limp mode, futhi, ngemva kwenani elithile lamahora, iqala njll. (ihluke kumkhiqizi oyedwa kuya komunye) imoto izongena kumodi yokulila.