That is a great idea, just make it think it's always in a tunnel. alternatively you can flash the computer to basic trim or international models. On Ford, it's

That is a great idea, just make it think it's always in a tunnel. alternatively you can flash the computer to basic trim or international models. On Ford, it's quite easy to remove. But for Mercedes/BMW I doubt so, even 20yrs ago they had advanced telematics/telephone/sos that integrated nicely into everything. One example: https://bobistheoilguy.com/forums/threads/disabling-fordpass-telematics.340381/ https://bobistheoilguy.com/forums/threads/disabling-fordpass... you can find more via good old fashioned car forums.