I love this artist's style, Bernd Rueters. this piece is actually named the VW Krankenwagen

http://ambulances.centerblog.net/rub-photos-.html
http://www.kdf-wagen.de/kdfwagen/a_show_page.php?iid=5006

see the rest that I've collected at https://justacarguy.blogspot.com/2019/02/cool-art-of-bernd-reuters-i-hadnt-seen.html