Described herein is a motor vehicle lock for use in all types of closing elements of a motor vehicle, wherein the motor vehicle lock can be brought into different function states such as “unlocked”, “locked”, “theft protected” or “child locked.” The motor vehicle lock includes a coupling device designed for quick decoupling which includes a coupling arrangement with a shiftable switch element that can be shifted by means of at least one control drive. Depending upon the coupled state, the switch element couples together or decouples two swivelable adjustment elements of the actuating system.