EE0A03 Mercedes Fault Code :
Read the description of EE0A03 in MCM02TuEURO and the engine lights up for MCM02TuEURO - MCM Motor Control Module code, there are some possible causes for it.
The common electrical line for the solenoid valves for the nozzle needle in the fuel injector (cylinder 4,5,6) has a short circuit to positive.