Felonies in Massachusetts are any crimes that may be punished with a sentence in state prison. Learn how sentencing works in felony cases.Based on the number and seriousness of prior convictions, place individuals to be sentenced in one of five criminal history categories. A third offense charge of drunk driving in Massachusetts is a felony and you're facing a 150 day minimum mandatory sentence in jail. In Massachusetts, a conviction for any drug charge, even "simple" possession, will have far-reaching collateral consequences. "Get a clear understanding of criminal sentencing guidelines in Massachusetts. Class C, Class 3, or Level 3 felonies carry a range of penalties depending on whether a state considers the offense a low- or mid-level felony. Types of Massachusetts Criminal charges, penalties, sentencing, and probation requirements. Facing criminal charges? A: In Massachusetts, certain offenses carry statutory "minimum mandatory sentences.