spn-2791-fmi-12 Mercedes Fault Code :
Read the description of spn-2791-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
Exhaust Gas Recirculation
Fault Description
Temperature Too High/Too Low
Fault PIN
LSCAN-MR