The final bill was £611. 31-1-2018: Report of Mazda 6 2.2 Skyactiv diesel engine head gasket failing at 104,000 miles. Needed a new engine and it was replaced under warranty. 15,000 miles later, the head gasket of the new engine failed. This indicates that there must have been a fault in the cooling system elsewhere than the engine that caused
When the first owners of vehicles with the OM651 diesel engine started covering some miles, it was immediately clear that the OM651 diesel engine had problems with Delphi Piezo fuel injectors/nozzles. Some 220 CDI and 250 CDI encountered problems before even reaching the 40,000-mile mark. Mercedes-Benz admitted that there was a problem with RxZ68g.