Cars can come on and off the list anytime. It’s just the AP’s that change quarterly. In my experience cars I’ve been looking at but couldn’t order, always went up and never down. There is always winners and losers.
Why not try and bag a bargain there is often some dealers offering discounts on AP’s some are often listed on here and or on a Facebook group MOTABILITY SPECIAL OFFERS where dealers list offers. Peugeot Barnsley have some even available now. I know some who have travelled to them and even they have paid for a hotel for the night if you travel pretty far. Or on the motaclarity site. Might have deals closer to you. The are limited though not like years ago. When you could extend your lease and wait for a good deal to arrive. So in your position, it almost like your a new customer again and could be in a new car in 4 days, rather than a hire car that might not be ideal for 3 months. Ie if it not an ev.
As for having to order, I guess its the same as if your car is written off. You need to place an order to remain on the scheme one the car is handed back. Technically your no longer a MB customer. So a hire car for 3 months or till any new car arrives is imo pretty good.
EX30 SMER Ultra