How Many Bags Fit in New GLE 53 2021? Trunk Size, 3rd Row Seat and Traveling with Baby or Big Family

All-Weather Trunk Cargo Floor Mat I Use:
https://amzn.to/3HmcriP

Unisex Mercedes-AMG Packable Bag I Use:
https://amzn.to/3eFkP0l

Roof Rack Cross Bars Carrier Crossbars I Use (for luggage, ski, snowboard, etc):
https://amzn.to/3JxpT5m