A true physical “man in the middle” attack

There has been known weaknesses with the various key less entry solutions among cat manufacturers, the debacle on the system used by JEEP springs to mind. Now we see a weakness in the Mercedes Benz solution. In a video released by the West Midlands Police in the UK we see thieves sniffing out the key code from the key inside of the house, and then transfers it to a sender by the car to open and start the car. Time to look at at NFC blocking key storage I suppose.