The product is a service and repair manual for Mercedes-Benz vehicles manufactured between 1958-1978, written by Mike Bishop and published by Clymer. This manual provides detailed information on tune-up and maintenance procedures for these specific vehicle models, allowing owners to properly care for their Mercedes-Benz vehicles. With a focus on servicing and repairing vehicles, this manual is a valuable resource for anyone looking to maintain or restore their vintage Mercedes-Benz vehicle.