Today I connect to car W211 ( DAS ) with 12.2016, I get this Error. System error Internal error: (3.91)-3.11 You must contact the user help desk. I resolve Megacar 3.91 issue. I get 20+ PM for help everyday and I helped them all. Thanks bud for showing a good attitude to 12_2016. I do not understand why some releasing a fix with conditional $$. Little bit of ingenuity, 12_2016 works flawless. I am the first one put 2 torrent for 12_2016 and one 09_2016. I probably fixed 50+ 3.91 error in this forum and other various forum for free. Like a superstar said, you gotta understand the system. I am a car fanatic. Having a e55, R350, Brabus 7.3s (30 made), Alpina B10- biturbo (317 made), Lotus Esprit twin turbo (97 car per year). Porsche Cayenne Turbo S (735hp), Two Ferrari 360 modena 445 hp), Mini, M3, M5, 330ix, Acura TSX 6spd tuned wit nitro and twin turbo to 400+, JAG XJS, Range Rover and a FOOOken Prius. I had all CN Sw for all my car and one day got decided to do own m