Stay at this 4-star hotel in Trier. Enjoy free WiFi, breakfast, and room service. Our guests praise the breakfast and the helpful staff in our reviews. Popular attractions Porta Nigra and Ehemalige Bischof Korum Haus are located nearby. Discover genuine guest reviews for Mercure Hotel Trier Porta Nigra, in Mitte neighborhood, along with the latest prices and availability – book now.