0F030F Mercedes Fault Code :
Read the description of 0F030F in TCM01B and the engine lights up for TCM01B - TCMV Transmission Control Module Voith code, there are some possible causes for it.
CAN - Protokoll VOITH private CAN Timeout der CAN-Empfangsbotschaft PRV_SUC2_0x511 (SUC Modul 2 - Actual Values 1).