German Chocolate Upside Down Cake

1 cup sweetened flaked coconut…
1 cup pecans, finely chopped
3 1/2 cups powdered sugar
1 cup margarine, melted
8 ounces cream cheese, softened
1 (18 ounce) box German chocolate cake mix (with pudding)
1 1/4 cups water
1/3 cup oil
3 eggs