Anyone who's taken even a few taxi rides in Germany is sure to have been in an E-class Mercedes. As the taxi driver's favorite model, a good many of the more than 13 million E-classes that Mercedes has sold to date have carried passengers in style.They have a reputation as highly robust. Some are even said to have clocked up 700,000 kilometers or more. Now Mercedes-Benz has rolled out the fifth generation. Now, drivers can sometimes feel more like a passenger, with systems like the Drive Pilot bringing autonomous driving one big step closer. Drive It! tried out the new high-tech systems.