Abstract: In a regulating system for the regulation of the driving torque of an internal combustion engine of a motor vehicle, in which wheel slippage occurring at the driven wheels of the motor vehicle are detected according to magnitude and in which the driving torque of the internal combustion engine is reduced, when exceeding a slippage threshold, value by a wheel slippage signal indicating the magnitude of the wheel slippage of a driven wheel, the friction coefficient effective in each case in the wheel circumferential direction is determined as measure for the road condition, and the slippage threshold determinable for the driven wheels is changed in dependence on the respectively determined friction coefficient effective in the wheel circumferential direction.