Another old thread, but the reason the problem appeared to effect the tranny, is that the tranny has adapted to the engine running properly, and appears to seem
like it's having a problem when in fact it's simply adapted to the engine
putting out full power.
When you put out less than full power, without resetting the adaptation, it still
is looking for certain parameters to shift, that aren't there when the car is running on 3 cylinders etc.

Anyway, this may be useful info for me, so thank you.
Getting some misfires...but not throwing codes, at least not that i can see with OBD reader.

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2002 C230 Sport Coupe- Orion Blue
ASP Pulley-Supersprint Header-Remus Muffler-
Magnaflow Cat.
TIEN SS Coilovers-
AMG Sways, Wheels, BBK
Tinted windows and tails...