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.
4 people reported this problem
Verified for the Mercedes-Benz CL63 AMG4 reports
1 answerMay 12, 2015
Verified for the Mercedes-Benz CL63 AMG6 reports