A:Answer If a 2013 VW Tiguan S has a Double DIN slot, then yes it should. My suggestion would be use the vehicle compatability checker at Crutchfield. It's probably the most reliable one out there!
https://www.crutchfield.com/car/outfitmycar/mycar.aspx?g=182350
Good luck! It's a very good unit, if it does fit.