DRH
The picture of that hitch you posted is a generic.
But the PDF file for the installation is correct. It is very easy to install.
If the savings between an aftermarket hitch and an MB were just a couple of bucks I'd go with the MB.
But when you're saving $100 plus... take the money and run.
Remember... it's a hitch... and they all have to meet the same saftey specs.
If, and when, I do the wiring harness I will get the MB.
Cheers.