96 SL500 with 97k on it, runs perfectly until earlier this week.

Symptoms are very rough downshifting. Upshifting seems to be perfectly OK, downshifting if braking to a stop seems to be ok. No chatter or vibration, runs smooth.

If I accelerate about half throttle or more and it downshifts then I get about a second pause, with rising RPM's like its slipping, then it will slam into gear, rear tires will spin a bit, etc.

I am hoping its a valve body or something electrical, would hate to have the tranny go. I did do a transmission filter and fluid at 60k at the dealer.

Anyone have any idea?

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2007 Corvette Convertible Torch Red
1996 MBz SL500
2008 Harley Davidson Night Rod Special