One problem related to emission control has been reported for the 2007 Mercedes Benz ML320. The most recently reported issues are listed below.
The contact owns a 2007 Mercedes Benz Ml320. The contact was driving 55 mph when the check engine warning light illuminated on the instrument panel. The vehicle was taken to the dealer for diagnosis where the dealer stated that the emission control needed to be replaced. The vehicle was repaired. The manufacturer was contacted and advised that there was no defect found within the vehicle. The failure and current mileage was 82,000.