These amount are completely separate from the state tax withheld. Just use the state tax withheld amount reported in Box 17. Do not "add" the MAPFL and MAPML to your state tax withholding in Box 17.
MAPFL (Massachusetts Paid Family Leave) and MAPML (Massachusetts Paid Medical Leave) are mandatory taxes (premiums) deducted from your pay and reported in Box 14 of Form W-2.
