A lock, particularly a boot or tailgate lock for a motor vehicle having a drive (14) and a lock mechanism operated by the drive (14), the drive (14) being in the form of an electric motor of reversible construction, wherein the drive (14) acts on a gear wheel (16) operatively connected to at least two clutches (18, 19), while when the drive (14) is actuated in a first driving direction a first clutch (18) couples the drive to first components (20, 22, 24, 30) of the lock mechanism in order to activate at least a first function of the lock mechanism, and when the drive (14) is actuated in a second driving direction a second clutch (19) couples the drive (14) to second components (40, 28, 24) of the lock mechanism in order to activate at least a second function of the lock mechanism.