Just as Tesla isn't in the business of making average cars, it's just introduced a leasing program for the Model S sedan that's not entirely run-of-the-mill. Unique to the company's 66-month lease program, you'll find the option of selling the Model S after 36 months at a price that's pegged to the residual value of the Mercedes S Class. While that may sound all fine and dandy, be warned, if you couldn't afford a Model S before, there's a good chance it's still be a wee bit out of your grasp. The Tesla Model S 85kWh editio