It boasts a futuristic silver exterior, a luxury 'lounge area' and most incredibly - no driver.
This Mercedes-Benz self-driving car has been spotted cruising around the streets of San Francisco.
The F015 Luxury In Motion, first unveiled at a consumer show in January, was caught on camera by stunned bystanders as it traveled through the California city for a photo shoot last Wednesday.
Some later took to social media to share their experiences of the autonomous research vehicle, deeming it 'futuristic', 'really cool' and 'radical'. Many questioned its presence on the streets.
Sophie Jane Evans,