New Self-Driving Car Tech Could Make U.S. Roads More Dangerous

This system ranks autonomous driving technologies from 0 (with basic safety features like lane departure warning) up to 5 (a fully self-driving car). Mercedes-BenzIn the coming months, the most advanced type of self-driving car on the market will hit U.S. roads. Mercedes’ Level 3 features will work only under 40 miles per hour (the SAE standard). Mercedes designed a redundant system that acts as a fail-safe in case the self-driving tech malfunctions. While the name implies otherwise, Tesla’s full self-driving system doesn’t do everything for you — and some users may not be ready to take over.