Good day. I have a 2006 Mercedes Viano Kombi. When the vehicle is driven at slow speed, it has a terrible vibration. When its driven fast, or you accelerate fast, there is no problem. Also when you approach a stop, it is as if you aren't pressing the Clutch, even though the vehicle is Automatic. We have changed the Gearbox Oil and Gearbox filter on the vehicle. We have also checked the Balancing on the prop shaft, and it is 100%. Please can somebody tell me what this can be. The people seems to think that it has nothing to do with the Gearbox as well.