spn-729-fmi-12 Mercedes Fault Code :
Read the description of spn-729-fmi-12 in KAMA3-5490 and the engine lights up for KAMA3 5490 Fault Codes code, there are some possible causes for it.
Fault Location
Intake Air Heater (PLD/MR2)
Fault Description
Circuit Universal Troubles
Fault PIN
LSCAN-MR