I have seen lots of posts on this on different forums and as far as I am aware it only happens on the GLC300 in the US, has anybody in other markets heard of the problem there. If it is only in the US surely the answer is to fit the brake pads fitted in the rest of the world!.
2017 GLC AMG43 premium plus, night pack, leather, intel lights, 360 camera, side steps. = sadly gone
Now GLE450 Premium plus, Selenite, Black/White Nappa leather, Tech plus pack, Driving assistance pack, Tow pack, Off road pack, 22 inch wheels.