I stayed at the intercontinental hamburg for 2 nights on business recently. The weather was terrible, so didn't get out and about much and having had my flight cancelled, was absolutely bored stiffless in this hotel. You do not get free wifi in the rooms, this is the 21st century and a lot of people need internet access! You do get it in the lobby but it's very weak with an in and out signal.
Only 2 English tv channels bbc world and cnn news. Okay this is germany, i didn't expect too much but racked up a huge room bill watching movies to keep myself occupied in the evenings.
Tried to have a nice bath but this was impossible as the pipes made the most deafening humming sound after the water had run, meaning I couldn't stand to sit in there for more than 5 minutes. Bath was a strange shape as well so you can't lay down.
Those are my only cons - the hotel staff were very very pleasant, very welcoming and polite, nothing was too much for them. Nice clean towels provided in the rooms, dressing gowns and slippers, mini bar, tea and coffee making facilities etc.
Hotel is in a good location around 10 minutes walk from the train terminal.
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC