10 Awesome Concepts We’d Love to See on the Road Published on March 14, 2019 in Top 10 by Germain Goyer Photo: Mercedes-Benz Mercedes-Benz EQ Silver ArrowMercedes-Benz boldly introduced the EQ Silver Arrow during the Monterey Car Week. While the lines are futuristic, they are inspired by the classic W125 from 1937. Another big difference is that the old 12-cylinder engine is replaced by a brand new electric powertrain rated at 750 horsepower.