سمارت 2026 New Automatic Gasoline 1.5L engine capacity Turbo - GDI 178 horsepower 7-speed automatic transmission Driving modes (Sport - Normal - Eco) Front-wheel drive Panoramic sunroof 10-inch instrument cluster screen 13.2-inch multimedia screen Driver fatigue detection system Offline child monitoring camera Intelligent cruise control system Emergency braking system Front collision warning Leather seats Front seat cooling Keyless start 540-degree panoramic camera Smart tailgate opening system