Halo. Have two Atego 2, once an 815 manual transmission (yellow plate) and an 818 with Telligent circuit and Bluetec (green plate). Both vehicles drive in the fresh service local transport, but only at summer temperatures also with cooling, otherwise without. Both vehicles have basically the same driving profile. The 815 switch has a thermoking cooling unit that runs independently with diesel. The 818 Telligent has a Thermoking KA that runs over belt drive. Now to my problem: The 815 switch with diesel cooling creates with a tank filling approx. 600 km. The 818 Telligent with belt drive cooling creates with a tank filling between 330 and 380 km. Can this be right? Maybe this is still of interest here: In the 818 already twice the tank sensor has been changed, since the tank indicator has displayed an imaginary filling level as desired. Thanks in advance for the help!