Maybe a cash flow issue? (total guess) They maybe just want to offload as much as possible as quickly as possible?
What mileag I noticed the used approved searches for many manufacturers started way above my budget.
Big group of Mercedes being sold cheap at 10-30000 miles sounds like an ex business pool or hire car fleet. Our pool cars are always returned at about 15000.If that's the case, it doesn't necessarily mean anything wrong, but generally they won't be as well looked after. It'll show on the v5 if you can see that.
Can you get reg numbers Teaboy? The gov.uk MOT checker is very useful for seeing what work has been flagged up and thus undertaken (or outstanding). This obviously depends on age. All you need is the reg and make.
That's what you'd think but many of them are no more than a year old and all cars are graded from 1 to 5 and even a 4 doesn't mean it's damaged in anyway and there are plenty of 1s which sounds pristine. The only thing I can think of is that many are not current models but by no means all.