The Terps overcame a two-set deficit to send the game into a pivotal fifth set.
Led by Erika Pritchard's 16 kills, the Terps rallied for their fifth win of the season.
The Terps are coming off back-to-back losses to Illinois.
The Illini swept the weekend series, dropping the Terps to 4-12 on the season.
After taking the lead in the first set, the Terps dropped three straight to fall to the Illini.
The Terps racked up 14 blocks across the three sets.
The Terps were without key players Sam Burgio and Jada Gardner.
The Terps are the Big Ten's leader in blocks, with 2.71 per match.
Outside hitter Erika Pritchard notched a team-high 21 kills as the Terps fell just short of a second straight victory over the Wolverines.
The Terps suffered their seventh loss of the season and remain winless.