FITMENT - 2002 for Mercedes-Benz C230 2.3L,2002 for Mercedes-Benz C240 2.6L,2001-2002 2004 for Mercedes-Benz SLK230 2.3L. EASY to INSTALL and CLEAN - Disconnect the negative side of the battery, then loosen a couple band clamps and disconnect the harness. Pull out your old unit and re-insert new one, tighten band clamps, re-connect harness and negative battery terminal. HOW to WORK - Mass Air Flow Meter AFM Sensor measures the volume and density of air entering the engine, providing highly accurate Air Flow readings to the ECU over a wide range of ambient temperatures..
