2017 MERCEDES-BENZ SPRINTER 2500 Engine Problems

The contact owns a 2017 Mercedes-Benz Sprinter 2500. The contact stated while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The check engine warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed with a failed knock sensor, debris in the EGR valve, insufficient Selective Catalytic Reduction(SCR), and low DEF. The contact was informed that the knock sensor and the SCR converter needed to be replaced, and the EGR valve needed to be cleaned. The vehicle ws not repaired. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 73,000.