Talk:Research & Development/Mercedes-AMG C 63 Coupe Touring Car 2014/@comment-103.57.94.203-20160729053808

I was overcome lab 1-3. Now wait lab 4. My car 5544. Before update Rio drive train, exhaust is engine v6 each 1, then after v8 each 2. Now i have 2 engine v6 cards, nothing v8. What is it?