The tech package omits this? It is likely to require opening on a daily basis, especially if a 3 rd row of seats is fitted and children are carpooled. Opening the hood of an ICE is a fiddly and heavy in operation and I don't see this car being any different in that regard, Jaguar had cooled trunks many years ago, great for all climates that a human prefers to live in, rather than a polar bear. Grocery shopping without spoiling the food?
This area is a secure zone, which a parcel shelf does not really achieve. My B class Merc has a removable blind to achieve this and is a nuisance, only used when absolutely unavoidable.