How to Replace the PCV Valve and Cam Plugs on a Mercedes with 3.5L V6 Engine (Common Oil Leak)

Brian Eslick from How to Automotive http://www.howtoautomotive.com/ takes you step-by-step through the process of replacing the cam plugs and PCV valve on the back of the cylinder heads of your 6 cylinder Mercedes. Job was done with hand tools in about one hour.