When Mercedes is an option often people get it because the like the image that comes with it, the ability to say you own a Mercedes. Plus its not like this is a truck meant for F-150 type of stuff, no, instead its more of an SUV alternative.
It will be able to tow just enough to meet its "lifestyle" demands and I don't know about you but 7700 LBS is more than enough. Someone who needs more is towing some big stuff, better to rent a 2500 in that case and park the X-Class up.While that is true, performance still needs to meet the buyer's standards though I'm not expecting the X-Class to tow a large caravan. But depending on the buyer, performance can be overlooked if the other offerings makes up for it.