Manufacturer Part Number: A2935402505. However, it may not fit your car due to the many differences with specification and changes on model years. The best and the easiest way to quickly check if the part is right for you is to compare part numbers.
MERCEDES EQC N293 Battery Inverter Hv A0009009026
MERCEDES EQC N293 Battery Inverter Hv A0009009935
Mercedes EQC N293 Battery Inverter Hv A2058600160