i have currently got a mercedes v220 cdi.it has served us well for the last 7 years ,but with 250k on the clock its time to change.i have looked at all the different mpvs avaliable and can only find one to replace it with-mercedes viano- has anyone had any experience with towing with these.it has air suspensio-the same as the v220- now has 5 sp auto box and rear wheel drive.any info would be appreciate thanks