12 Volt Frozen Mercedes GLS-320 Battery Powered Ride-on. Your little one will love driving in luxury in this Disney Frozen 12-Volt Mercedes Ride-On. Going speeds of 2.5 MPH in forward or reverse, with a maximum speed of 5 MPH, this ride-on carries a driver and a passenger. Real doors open and close, with authentic graphics really make this convertible stand out. Includes a 12 Volt Battery and Charger. Another great Action wheels product from Ballard Pacific Resources.