I bought a 2017 GLC300 1.5 years ago (less than 13K miles) and had the problem since week 1. I was ensured there would be a fix and still this amount of time later, there still isn't one. Additionally on an icy day, all of the cars in front and behind me were able to stop but i wasn't and had to brush the guard rail. As of yesterday, my car went from my gas light blinking to the check engine light going on. Apparently my gas cap was lose but that didn't seem to turn it off either. I want my dealership to buy back my vehicle at this point and will also be contacting Mercedes directly. I recommend the Q5 as I never had one issue with it and more luxurious overall.