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Hotel Müllers
Self-check-in
Experience the convenience of self-check-in at Hotel Müllers in Arbon. Our system allows you quick and easy access to your room, whenever you arrive. Ideal for flexible travel plans and spontaneous stays. Enjoy the freedom of checking in without wait times and start your stay stress-free.
Your Self-Check-In – Flexible and Easy
Make your arrival more flexible than ever! With b_smart’s self-check-in, you decide when and how to check in—completely hassle-free and with no waiting time.
Our intuitive terminal guides you through the check-in process in just a few simple steps. Whether you’ve already booked or are arriving spontaneously, the system adapts to your needs.
Experience a modern concept that gives you independence and makes your stay even more enjoyable. Right after check-in, you'll receive your room key and can start relaxing immediately.
It’s that simple:
Select your preferred language at the terminal.
Enter your reservation number or choose an available room.
Confirm your personal details.
Pay directly at the terminal (if required).
Your room key is issued instantly—enjoy a stress-free stay!

Make your arrival more flexible than ever! With b_smart’s self-check-in, you decide when and how to check in—completely hassle-free and with no waiting time.
Our intuitive terminal guides you through the check-in process in just a few simple steps. Whether you’ve already booked or are arriving spontaneously, the system adapts to your needs.
Experience a modern concept that gives you independence and makes your stay even more enjoyable. Right after check-in, you'll receive your room key and can start relaxing immediately.
It’s that simple:
Select your preferred language at the terminal.
Enter your reservation number or choose an available room.
Confirm your personal details.
Pay directly at the terminal (if required).
Your room key is issued instantly—enjoy a stress-free stay!
Check-in & Check-out

Check-in vor Ort

Mobile Check-in

Check-out
FAQ on Self-Check-In
Your room will be available from 3:00 PM. On your departure day, please check out by 11:00 AM.
Credit cards, debit cards, and contactless payments are accepted.
If you lose your room key, you can easily get a replacement:
Go to the self-check-in terminal.
Select your language.
Tap on “Replacement Card.”
Choose the option “I lost my room key.”
Enter your reservation number.
Your new room key will be issued.
No, check-out is not required. You can simply drop the room card in a return box before departure as payment is already made at check-in.
Yes, our team is available to assist you by phone 24/7. You can call the phone number provided on the terminal at any time for support. In some locations, a voice terminal ("24-hour hotline") is also available at the main entrance.
With Certain Extras

Check-in Around the Clock
Flexibility for Your Arrival
Check in comfortably at any time and start your stay without wait times.

By the Lake and Close to Old Town
Perfect Base
Enjoy walks by Lake Constance and cultural highlights nearby.

A cozy corner with a coffee machine and drinks.
Self-Service with Style
Help yourself at our Honesty Bar and enjoy coffee and more.