A sporty take on the classic 3-box design: the new A-Class Sedan. The A-Class Sedan With Mercedes-Benz User Experience (MBUX) In Its Athletic 3-Box Design. Parking Package With 360° Camera, Driving Assistance Package, MULTIBEAM LED & More. Your new A-Class Sedan can warn you of an impending collision, support you when braking and taking evasive action or even autonomously brake the vehicle to a standstill in emergencies.