Hello together, my cover on the R129 SL300 BJ 93 does not open. No error in the AI. Deck switch lights up.When you press to open, nothing happens, even the windows don’t go down.But you can hear what is switching (electric) but nothing happens. When you press “close” you hear and you feel the cover lock working and closing at the back.The following checked/tested: Window tries to learn(End switch) Battery Brand new fuses changed Terminal battery/anklem the vehicle was last 4 years and I don’t know if it worked with the previous owner. Would I be pleased about experiences and solutions.Thanks