PROFITS at Mercedes-Benz van and truck dealership Enza Group fell more than 20% last year as maintenance incomes were hit by the tough economic conditions.It wasn't all bad news for the company as turnover at its sites in  Warrington, east Manchester, Stoke-on-Trent and Trafford Park, rose nearly 8% from £68.7m to £74.5m.Warrington-based Enza Group, which has been owned by directors Roy Reed, Russell Elgar and Steve Fox since 2006, said pre-tax profits had fallen from £1.2m in 2010 to £898,000.Enza,whic......for the full story register now for free or login below...