Very good location. From Bahnhof, you can either take the train (S4 or S5) to Allmend/Messe (1 stop only) or Bus 20 with 6 stops. Then from there, it's just about 5 minutes walk. It's very convenient.
The instructions on how to get the key is a bit confusing at first because we were very tired already. lol. We reached at midnight so no one is around at the customer service.
The room is spacious and clean and so is the bathroom. I just didn't like the shower area where you have to make sure that the curtains are all in the basin, otherwise the bathroom will be flooded. The windows in the room are not tinted though so you have that the curtains are closed when you're changing clothes or you'll be giving a free show outside. lol
There is laundry area which is very convenient if you're backpacking. You can purchase the debit card for 6CHF which includes 3 wash and 2 dry. The drier is big that's I think they gave more times for washing. The customer service, Karina, is very friendly and helpful. If I'd have the chance to come back to Lucerne, I'd definitely stay here again.