All videos for the Mercedes B-Klasse with driving report, buying advice, long term test and 0-100km/h acceleration test. These facts you should know before you buy or lease the motor vehicle..The Mercedes B-Klasse 247 B 250 e EDITION 2020 8G-DCT has a gross list price of 39347.35 €. From 0 to 100 km/h it accelerates in 6.8 seconds . At 140 km/h he reaches his top speed. His top speed is 140 km/h.