We are trading our class A for a 2016 Forest River 2401w with the Mercedes Diesel engine. We tow a 2008 Jeep Grand Cherokee 4wd which has a curb weight of around 4600. Our new rig is rated to tow at ...
Unless I'm mistaken on this, towing capacity is stated as "Up to" 4200lbs. So, based on how your C is loaded, you may have all of that capacity, or you may have some reduced amount of capacity. For reference, our stock Wrangler 4dr weighs 4520 with the base plate installed.