Hotel Diplomat The Hotel Diplomat (rated 3x000D star) is a mid size hotel in Dusseldorf. On site car parking is available at the hotel. The hotel offers restaurant facilities. Room Features Hotel Diplomat. All rooms have a hairdryer. Rooms offer internet access via wifi or modem. Wireless internet is also available in public areas. Other Info. An airport shuttle service is available from the hotel. Pets are most welcome at the hotel. A concierge service is available to guests.