I foolishly did not have the factory fit phone carkit and now want to retro fit a bluetooth handsfree kit. I have been looking at the Parrot CK3000/4000. Has anyone fit either of these? If so where was the work done? Did you have it integrated with the dashboard screen and steering wheel buttons? Mines a CLK Cabrio and wonder if the voice activation is going to work with the hood down. Lots of questions, grateful for any answers. Thank you.