Excessive Engine Oil Consumption on Mercedes-Benz CL63 AMG

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.

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Average mileage: 33,000 (33,000–33,000)
3 model years affected: 2008, 2009, 2010
4 people reported this problem
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