Tl* the contact owns a 2015 smart fortwo. while driving various speeds, there was an abnormal knocking noise coming from the engine compartment and the traction control warning indicator illuminated. the vehicle was taken to mercedes-benz of north olmsted (28450 lorain rd, north olmsted, oh 44070, (440) 716-2700) where it was diagnosed that the steering angle sensor caused the anti-lock brakes to seize. also, the motor needed to be replaced. the vehicle was not repaired. the manufacturer was made aware of the failure and informed the contact that the warranty would not cover the repair. the failure mileage was 12,000.