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 car..This Mercedes B-Klasse 247 B 250 e AMG Line 8G-DCT costs new 60511 €. From 0 to 100 km/h it accelerates in 6.8 seconds . His top speed is 140 km/h . At 140 km/h he reaches his top speed.