5BF0E4 Mercedes Fault Code :
Read the description of 5BF0E4 in ACM2TuEURO and the engine lights up for ACM2TuEURO TuEURO Aftertreatment Control Module code, there are some possible causes for it.
The output of component '17A05: AdBlue supply unit control unit' for the actuation of component '17R04: SCR exhaust aftertreatment AdBlue metering valve series resistor' has a short circuit to ground.