UK-C200 ,The model I have is Valeo Beep & Park, kit Nš1.You can see it here:
http://stores.channeladvisor.com/towbar/Items/632000
About the power, the + on the sensor kit has to be connected to the rear + light (it has a fuse in between),and the black wire of the kit is connected to the ground.For this purpose. the kit contain connectors like this one (look at the blue one)
http://www.migranpipa.net/gallery2/d...orriente+1.JPG DansSlk, my SLK is 2007 model.
About the gearbox, mine is the manual one, with 6 gears
Thanks to both for your answers and I hope we will find together the best way to make the connection!!