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Tapping noise due to uneven camshaft and rocker arm wear on Mercedes-Benz SLK55 AMG

Problem Description and Possible Solution
Due to uneven camshaft and rocker arm wear, lifters and rocker arms can be noisy, sounding like tapping coming from under the hood. The cam and all the rocker arms should be replaced.
Problem Data
RepairPal Verified
Average mileage: (–)
6 model years affected: 2005, 2006, 2007, 2008, more2009, 2010
6 people reported this problem