Method and device for influencing a gear shifting strategy of a motor vehicle

The invention relates to a method of influencing a gear shifting strategy of a motor vehicle, for example a commercial vehicle. The invention particularly relates to such a method, in which predictive for a driving strategy, a shift reaction, in particular a target gear is determined on a section of the route in dependence on the topography data of the track section lying ahead. The method comprises the steps of: predicting a pushing operation on a section of the route in response to topography data, in particular climb and descent information of the road ahead portion (S1); Determining a target speed for the predicted coasting mode (S2); predictive determination of a course of force acting on the vehicle during the coasting-down force (S3); for each insertable in the coasting gear ratio predictive determination of a producible by the motor vehicle in the coasting maximum total braking force under the assumption that the vehicle will move in thrust operation with the determined target speed, wherein an obtainable by a service brake braking force is not considered (S4); Determining a pre-selection of possible gear ratios for the thrust operation, wherein a gear stage, which can be generated in the overrun mode maximum total braking force is larger than a maximum of the determined course of the slope descending force is added to the pre-selection (S5); and selecting a gear ratio from the pre-selection of possible gear stages as the target gear position for the pushing operation (S6).