I installed a CURT receiver hitch on my 2009 Pure model just last weekend. My motivation for the hitch, is for the installation of a folding spare tire mount. I doubt the SMART will become my towing vehicle. I purchased a new uninstalled hitch from a private seller on C-list for $105 including shipping. I installed the hitch by myself, in my driveway, with the rear of the car on a set of ramps. I also had to jack up the rear of the car, to drop the rear suspension, so the hitch would slide into place. There isn't enough clearance between the bumper, and suspension components without this step. This is NOT explained in the instructions. I used a hydraulic bottle jack , which I placed at the center of the suspension tube. As for special tools; you will need an E18 Torx socket to remove two frame fasteners. The instructions state you can use a 14mm 12 point socket, but I wouldn't advise it, as you will likely round off the fastener head, socket, or both. I purchased a set of 3/8 drive Torx sockets at Harbor Freight for $8. The most time consuming, and frustrating part of the install was drilling/grinding out two holes to fit the carriage bolts, and anti-rotation plates, for mounting the hitch. This required a drill, with a step bit, and a carbide grinding bit. Here I found the instructions wrong, as it stated the hole diameter needed to be 1/2" with a slot 1-1/8" wide. The hole diameter must be larger, to fit the head of the carriage bolts through. This step took a bit of trial-and-error, and time. I estimate the total time to install was 2-1/2 hours, but I'm slow and meticulous. My biggest problem, and complaint after the install is that the spacers included with the kit do not provide adequate spacing between the muffler, and hitch. I now have a loud annoying rattle when accelerating, from the muffler hitting the hitch. I will be installing universal spacers (flat washers), as needed. On the profanity scale of 1 to 10, I would rate this a 4. Nothing the wife hasn't heard before, but not appropriate in the presence of children. If you have moderate mechanical skills, time, and patience, you can do this. If not; you'll have to pay da' man.