Earlier quoted context omitted.
That Mercedes-Benz system is a glorified adaptive cruise control and has several limitations that Tesla autopilot does not have. > There must be a vehicle in front of your car, reasonable road conditions with readable markings and lines, and clear weather and light conditions. Drive Pilot can’t be used at night or in the rain, and the headlights and wipers must be set to auto for it to work. > It’s also only availabl…
It is just very fancy cruise control but it's still very significant to the whole "will a person ever get in trouble for taking over from the automated system" discussion that they're the only ones taking legal responsibility while the system is active. Everyone else including Tesla puts all the legal weight on you to stay constantly alert and take over for the system.
They are the only ones using the consequences of general principles of product liability as a selling point, might be more accurate.