Asunflower&reg; ELM 327 V1.5 Interface Bluetooth OBD2 OBDII Car Diagnostic Auto Scanner Tool Display current sensor data, including: Engine RPM, Calculated Load Value, Coolant Temperature, Fuel System Status, Vehicle Speed, Short Term Fuel Trim, Long Term Fuel Trim, Intake Manifold Pressure, Timing Advance, Intake Air Temperature, Air Flow Rate, Absolute Throttle Position, Oxygen sensor voltages/associated short term fuel trims, Fuel System status, Fuel Pressure. Compatible vehicles: Benz 2001/02/03 W203 C200K (ISO) Clear trouble codes and turn off the MIL ("Check Engine" light) Support all OBD-II protocols:ISO15765-4 (CAN), ISO14230-4 (KWP2000),ISO9141-2,J1850 VPW,J1850 PWM Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).