a 3d navigation system for motor vehicles includes a set - up combining a first motor vehicle and an environment scanner to generate a three - dimensional image of an environment around the first motor vehicle or at least a part of the environment around the first motor vehicle as well as at least a second motor vehicle and a communications connection between the first motor vehicle and the second motor vehicle for transmitting the three - dimensional image of the environment around the first motor vehicle or at least a part of the environment around the first motor vehicle to the second motor vehicle .