spn-730-fmi-1 Mercedes Fault Code :
Read the description of spn-730-fmi-1 in KAMA3-5490 and the engine lights up for KAMA3 5490 Fault Codes code, there are some possible causes for it.
Fault Location
Output Relay 2 (REL 2)
Fault Description
Relay Permanently Closed (Grid Heater)
Fault PIN
15/09