Need expert advice

[Claude1971]

I have 1998 sl sedan. Last night driving from sac. It feels like trans. Sliping. The ses light flashes and the odometer electronic disappeared dense morning it works again. In park revs. Up fine. In third rpms wet to start of red line and shifts. But from start after it worms up sliping at start off. As long as i keep it at 75 works fine. But start off slipping. Can any one help