I am trying to devise a way to transport two Terratrike Rovers on my Mercedes CLK 55 convertible.  My wife and I like to travel in that car, and we'd love to be able to take our trikes.  I saw a demo online in which a Terratrike rep breaks down a Rover very quickly.  It looks like one could build a reasonable compact, lightweight crate to hold the disassembled parts. I am wondering if I could construct two such crates that could be tied down on a luggage rack on the trunk of the Mercedes.  I know it is a bit of a crazy idea, but there are not many options if I want to carry them on the MB.  I could put a hitch on it and pull a lightweight trailer, but that seems like even more trouble because of the trailer itself.  Understand, this is not for transport across town to a trail.  I have an old pickup for that.  This is for driving to other parts of the state or even out of state. Any ideas out there?

I just had a Maxwell cargo trailer built just for this reason. It is a little over 7 feet long, 4 1/2 feet tall, and 4 foot wide.The front has a v-nose to make it more aerodynamic. It only weights about 580 lbs and can be pulled by even a smart car.  Can't tell it is behind the vehicle. I had two windows and roof vent installed, but don't really need them if you just want to haul your trikes. I had the windows and vent for when I sleep in the trailer on long journeys. The cost with the add-ons is around $2,000. Put a good lock on the door and no worries. And best of all, you can leave the trikes assembled!!!