Mercedes-Benz Group Software Development Engineer (SDE) interview questions

there were 3 rounds 1) online test consists of 40 questions and time given was 60 min (conducted on hirepro) - Technical questions are based on the department you belong. For EC we had questions from control system(finding transfer function) , circuit analysis, find the c code snippet to generate a particular graph, Digital Circuit, AEC. 2) technical interview 3) HR