On Thursday, April 2, 2015 at 9:03:04 PM UTC+13, wrote:
I was quoted $3,500 to $4,000 by the Mercedes Benz dealer to install a factory tow hitch on to a ML 350 Bluetech 2011! I was wondering if anyone else had this happen and if so, where did you go to have the work done and were you happy with it? I live in Southern Cal.

One, of course, should always ask about tow hitches *before* agreeing to buy the car itself, not after taking delivery.