1 18 mercedes 500k spc roadster1: 18 Mercedes 500K Spc. roadster Maisto 1: 18 refers to reduced scale 1: 18 replicas of the cars and motorcycles with which Maisto has a license agreement. Metal body and plastic parts are used in Maisto 1: 18 collection. This collection of Maisto mostly features opening doors, opening hood, opening trunk and detailed chassis. In some models, some parts may not open. In the Maisto 1: 18 collection, the vehicles are mounted on a plastic stand. Age