Mercedes-AMG collection heads to auction featuring rare cars and parts

More than 20 classic Mercedes-Benz AMG cars are headed to auction Bonhams claims this is the largest collection of pre-merger AMG parts and cars to come up for sale AMG was an independent tuning house before Mercedes began collaborating with the outfit in 1990 Bonhams will offer a collection of more than 20 AMG-modified Mercedes-Benz classics, as…