The new Innogy Smarthome Central Unit (2nd Generation) is not intended for wall mounting, so I have created a simple wall mount. The wall mount can be fixed with two small M2.5 screws on the Central Unit. The wall mount can be screwed on the bottom of the Control Unit with two small M2.5 screws (There are two small brass threads on the bottom of the Control Unit). This variant is for cables on the left.
Update: I've added two variants for cables to the right and to the bottom.