Mercedes-Benz introduced a "pay-to-play" $1,200 annual subscription in late 2022 to unlock 20-24% more horsepower in US-based EQE and EQS models, a feature that remains blocked in Europe due to regulatory hurdles. While the vehicles are hardware-capable, European authorities have raised concerns regarding changing motor output post-certification, highlighting a, divide in "Function on Demand" regulations compared to North America. Read more at The Drive .