I cannot put my finger on it (or perhaps foot). It is only sometimes and so catches you out even more. I think the problem is then that you push the pedal more (in blind panic) and this then when it catches up it leaps off. Sometimes there is no lag at all. I think it is something to do with a small gap on a roundabout. I think it senses it and the on board computer says we will have some fun here!!! It could be a german sense of humour??? I notice it most when I come off the motorway having been cruising quite fast and come to a complete halt before deciding I can go. But then need to get on with it (small gap etc). Around town hardly ever notice it.

By the way mine is a diesel sep 2005.

John