Merge polygons who is located within 100 m from each other AND has the same attribute

Discussion created by jeno0001 on Nov 22, 2012
Latest reply on Dec 10, 2012 by pmcatnip
I have a question. I have a layer consisting of polygons. Each polygon is assigned a number between 1-5 which describes its buoyancy. Now I need to merge all polygons that are within 100 meters of each other AND assigned the same number which desribes its buoyancy.
How do I do this!?