2021 Mercedes-Benz GLE 350 engine problems

I can be driving on a flat surface with out the car been on eco mode and the car shuts off for no reason without and light on the dash board I have to wait a few secs to restart the car ,brakes don't stop like they should very loud grinding noise and comes. I have report this problem lots of times and my car was not fix it stay more in the shop then with me the car senc don't work the light up red like if someones next to me

We bought our vehicle -2021 mercedes-benz gle 350 - on january 12th and three days later we noticed that half of the mbux dual screen was black and inoperable. The car was in service 10 days. Today, 02,1, 2021 the car stop, the engine and lights, control, on highway!!!??? I call police to protect me. Mercedes dead. No hazard lights. I stay in dangerous traffic one hour for mercedes road assistance. I call from my cel phone, no energy in the car?! After one hour the lights of car start??!!!