Vw may not be able to get the code for you as it looks like that is not the factory unit. If your car had satnav from the factory it would have the high line display and your car only has the midline. If the unit was retrofitted somebody may have written the code on top of the unit.
They might be able to get the code for the stereo but would have to remove it to look at its serial number, for this I think there is a charge. If the unit was fitted from the factory they could simply look it up in their database.