well i had the car out and the top was working fine sow i parked the car in the garage and closed the top next day i went out with the car and the top didn,t work nothing sow i bought a new swicht for it , but no change roof doesnt work, the roll bar won,t move and no power on the roll bar swicth yes it comes on but shuts right off no leaks on the system and yes the pump is working i had it checked, now the question !! can mercedes tell me what is wrong with it for cheap? can they reset the system?/ is there a way of opening the top manually ?? i have my mechanic trying to fix it but no progress doest no much about convertibles!! he said that he read that the micro swicths have a problem when that car gets parked for a long period of time!!!