Smart MHD jerked and doesn’t start anymore

Moin together, on Monday my wife drove a few 100 meters to work. At the same time the smart (MHD from 2009, about 70,000 KM ran). She turned it off, circuit according to the lever and display on N. I should then fetch it…clear…who else…. set, key turned and it happens…nix… relay for starter runs, gasoline pump also runs, all control lights on, circuit according to the display and lever on N. Moves on the switch lever does not work, even if you kick the brake. Break lights go, tank is full. According to our workshop on site, no smart center, error in the clutch. This has been deleted, but Karre still does not jump on. Can it be something that doesn’t start the starter although according to the display the idleness is inserted?