Excessive engine oil consumption can be caused by piston rings and valves which did not break-in/seat properly due to poor driving habits during the engine break-in period. Our technicians tell us that replacement of the piston rings and valves may be required to correct this issue.
Excessive Engine Oil Consumption on Mercedes-Benz S63 AMG
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I have tapping on left side of engine bank, Mercedes Benz Greeway will not call me back.