Beautifully crafted 1955 Mercedes Benz 300 SLR Diecast model car 1:18 scale "Uhlenhaut" by Maisto. This is a very highly detailed 1955 Mercedes Benz 300 SLR Diecast model car 1:18 scale "Uhlenhaut" by Maisto. Every details are well put together. Great collectible or gift piece. 1955 Mercedes Benz 300 SLR Diecast model car 1:18 scale "Uhlenhaut" by Maisto is one of the best showcase model for any auto enthusiasts.