Free cancellation expired on Booking.com for a hotel in Germany (sick, can't go). Empty card on file — what can they actually do?

Hey everyone, looking for some real-world insight and experiences from anyone who has dealt with this, or anyone who actually works in the hospitality industry in the EU/Germany.

**The Situation:**

* **Platform:** Booking.com

* **Location of Hotel:** Germany

* **Timeline:** Stay starts in 10 days. My free cancellation window closed 4 days ago.

* **The Problem:** I’ve come down with a sudden illness and am physically unable to travel.

**What I've done so far:**

I contacted the property directly through the Booking.com app to explain the medical issue. I asked if they would be willing to either waive the fee or simply change the dates to later in the year so they don’t lose the business. They flat-out declined both options.

**My main questions:**

1. **The Card Issue:** The credit/debit card I have linked to my Booking account currently has no funds on it (empty balance). Because they can't successfully charge the cancellation fee right now, what is the hotel's next move? Do they just automatically cancel it as an "invalid card" after a certain number of hours, or do they hold the reservation and try to pursue it?

2. **Legal Actions:** Under German law, has anyone actually faced real legal or collections action from a hotel over a no-show or late cancellation fee if the card was empty? Or do hotels usually just cut their losses, cancel the room, and put it back on the market?

3. **Hotel Workers:** If you work at a hotel front desk or management, what is the maximum action your property has realistically taken against an international guest with an unchargeable card?

I’m stressed about navigating this while sick, so I’d really appreciate your honest, real-life experiences or professional advice. Thanks guys.