Assuming this is the Mercedes-Benz Mars Red, the car will need to be stripped back to the metal, treated and repainted. Your first point of contact will be the dealer you bought the car from and not the manufacturer. There has been cases were affected vehicles have been resprayed outside the warranty period, but these reports are becoming more rare as these vehicles get older. For your consumer rights, see: www.honestjohn.co.uk/how-to-reject-a-car-your-cons...s