Restaurants - Mannheim, Germany

Any recommendations for restaurants in Mannheim - ideally within walking distance of the Dorint KongressHotel?

Try tripadvisor.ie or email your hotel, as many hotels can be very helpful.

Stay away from any sort of meat boiled in cabbage as unfort I orderered it few years back and waste of money....

This might be some help.
Toytown Germany: bars and restaurants in Mannheim
If you click on each name in the list it should bring you to the review posted. Most of the reviews might be pretty old but it will give you an idea of some of what's around at least and further googling the names of the restaurants might give more up to date information.