2015 Mercedes c class 43,960 miles. I can't believe a small exhaust leak was able to cause 10 malfunctions (mil). Bank 1 sensor 1 o2 faulty , b1s1 exceeded threshold, b1 s1 o2 out of range, b1s2 o2 out if range, bank 1 sensor 2 faulty o2, bank 1 lean, bank 1 Rich. Bank 1 catalytic converter not efficient. Multiple misfire 1-6, cam position sensor malfunction. On top of that transmission not shifting properly, hesitation, vibration, shuttering,. Seriously all from a very small exhaust leak at the weld front part of cat. This is why it's important to make sure you don't have any exhaust leaks. Especially if it near or around the cat or o2 sensors. To fix All I had to do was reweld the cats welds. About a half inch in total. Once that was done she took her car for a 10 min drive and all codes were done and light is off. Hope this helps someone in the future.