The Class B and Class C vehicle inspection tests include an inspection of

Class B and Class C CDLs cover the operation of a wide variety of different types of vehicles with their own special features. You must perform the vehicle inspection test in a vehicle that is representative of the kinds of vehicles that you plan to drive professionally. As part of the test, you will have to inspect any special features of your vehicle (such as the special features of school buses if you're using one for the test).