I would say it is not very hard; it's fairly simple. I just had my first interview, and the manager was very nice. I was mainly asked about my personal experience and projects.
Self-introduction and my project experience
The following metrics were computed from 88 interview experiences for the Tesla Mechanical Design Engineer role in United States.
Tesla's interview process for their Mechanical Design Engineer roles in the United States is very selective, failing most engineers who go through it.
Candidates reported having very good feelings for Tesla's Mechanical Design Engineer interview process in United States.