1. The price is cheaper than cars with internal combustion engine.
2. Longer range after one charge.
3. Abundant availability of charging stations, both at home and on the road.
4. Charging time reduced to 10' or less.
The Presentation (Introduction) was done in Shanghai as China is now MB's largest market! This is to an indication of China's economic growth and purchasing power.
Based on above, Chinese dim-sum will be rare and more expensive in the future. Eat while you can still afford!