Automotive mechanical work requires good hearing and eyesight, good physical coordination of the whole body, and some strength. You should enjoy working with your hands. Because the work can be intricate, you should have good finger dexterity and be mechanically inclined.
You will need a tolerance for working with grease and oil, and for exposure to various levels of exhaust fumes, dust, and dirt. Reading comprehension is important to successfully complete the required related courses: English, math, and science.
If you are seriously considering a career as an auto mechanic you should be prepared for some shift work, and should be able to work under some supervision.
You should also be prepared for late shifts at the College during your training, as courses in the program may run until 6:00 p.m. from time to time.