Method for the determination of fuel consumption values and control device for an internal combustion engine

The method involves correcting the fuel consumption at least in defined temporary operating situations while taking into account the current operating mode. The corrected values (MPKORR, MKKORR) are displayed at least on a visual display in the field of view of the driver of the motor vehicle and/or used to determine the vehicle's residual range and/or the fuel tank contents AN Independent claim is also included for the following: a controller for an internal combustion engine, especially for a motor vehicle, a computer program and a computer program product for implementing the method.