What are the requirements for a Mechanical Engineer without experience or with some experience to get a job in gulf?

Good academic record, some relevant industry trainings, excellent understanding of the domain and a lot of luck!

First of all you need to belief yourself and confident. And websites like Expatriates,mihnati, bayt, indeed, gulftalent, Dubizzle, Linkedin etc These are all the websites which hire freshers also, so u need to register in that and regularly check if any jobs vacancies available. insha allah surely oneday you achieved your goal.

Its luck and Effort. Different different companies have different requirement.