Mercedes Monday: This pristine 1991 AMG 6.0 Widebody Coupe has a 6.0-litre naturally-aspirated V8 producing 375bhp. It's such a rare AMG model and is

Mercedes Monday: This pristine 1991 AMG 6.0 Widebody Coupe has a 6.0-litre naturally-aspirated V8 producing 375bhp. It's such a rare AMG model and is