Mass Air Flow Sensor Meter MAF for Mercedes-Benz C230 SLK230 2.3L # 5WK9613 1110940148 2001 2002 2003 2004 Brand New Replacement Mass Air Flow Sensor ( MAF ) Siemens OEM Ref. # 5WK9613 Mercedes Ref. # 111 094 01 48 This MAF has an inside diameter of 68 mm, a 5 pin connector Compatiblity as description