The contact owns a 2012 Mercedes-Benz. The contact stated while driving at an undisclosed speed, the Check Engine and High Pressure Fuel Pump warning lights was illuminated. The failure occurred on several different occasions. The vehicle was taken back to the residence. The contact did research and was made aware of an unknown NHTSA Campaign Number however, the VIN was not included. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.