Prepare pudding according to package directions using the milk and coffee mix. Fold in 1/2 cup whipped topping to pudding, then spread mixture into pie crust.
Sprinkle 1/4 cup chocolate chips and 1/4 cup hazelnuts over top of pie. Cover, and refrigerate for 2 hours.
Spread remaining 1 1/2 cups of whipped topping on pie, then sprinkle remaining chocolate chips and hazelnuts on top.