Navigation view

Howdy folks 👋 I just recently switched from a 2019 to a 2020 GLC300. In my 2019 I had navigation via an sd card slot and it worked perfectly. To get navi on the 2020 I had to pay $550 to MB to activate it but I think I’m missing something or something is wrong. I like the view on the map to be at 1/8 mile and in the 2019 that wasn’t a problem but in the 2020 all I see is a grey screen with a line on whatever road I’m on. Can anyone advise me if I need an update or if it’s a setting change or what? Thanks in advance!