Your radiator also has an integrated tranny cooler at the bottom of the radiator...check for leaky metal hoses or core leaks...might be why you are now seeing tranny and coolant fluids...

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2009 ML350 (106K) - Family vehicle
2001 CLK430 Cabriolet (80K) - Wife's car
2005 BMW 645CI (138K) - My daily driver
2016 Mustang (32K) - Daughter's car