I think some people are confusing the hidden program menu with the ability to buy additional programs from Miele. These are two separate things. Miele field techs can access the hidden program menu either by key combination code from the machine's panel or via the PC Update connection. Once in the program menu, technicians can look at fault history and reset some of the machine's parameters - i.e., cool down period in the dryer, moisture sensor up or down, increased wash water and rinse levels, enabling/disabling certain automatic load sensing functions, etc.
However, Miele specifically states on its web site and marketing materials that additional wash cycles and program packages can be purchased for their machines. This is true in the professional series, where machines can be customized via special program packages for specific types of duties (i.e., hospital, estate home, bed and breakfast, etc.). Miele does not state which models are eligible for additional, purchasable cycle options. One assumes all of their machines are capable of doing this, but Miele has never released purchasable cycle or program "packages" in the NA market to my knowledge.
If you want to buy additional cycles not present on your machine (i.e., "sports gear" or other specialized cycle), you certainly can't buy it from Miele despite their marketing claim to the contrary. However, you as an end user can still access the hidden program menu to increase water levels, change the cool down period of your dryer, sensitivity of moisture sensor, etc. You just need a service manual to show you the right sequence and what options to select.