I applied through college or university. The process took 1 day. I interviewed at Mercedes-Benz Research and Development India (Chennai) in Dec 2019
Interview
It was campus recruitment(IIT Madras), the selection process was done in three stages. Written test, Technical interview, HR. Written was the key in the selection process and i didn't feel much difficulty in the interview process.
The process took 3 months. I interviewed at Mercedes-Benz Research and Development India (New York, NY)
Interview
Though and great experience they treat very well. They provide food to the interviewed. Totally professional approach.
They know their stuff very well so if you don't know don't fool around.