Mercedes Benz is developing new generation of A Class. The company released a new teaser of upcoming hatchback. The teaser video shows A Class undergoing cold weather testing and also climate tunnel testing in which temperatures can drop as low as -28 degree. This extensive testing will help Mercedes to confirm that the A Class will work any environment in the world. Mercedes already revealed redesigned interior which is completely new and sophisticated than outgoing model. We can also expect some new engines to be part of the package. Mercedes will officially reveal new generation A Class at Geneva and we can expect online debut in February.