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.
How to Replace the Crankshaft Position Sensor on a 2001-2006 Nissan Altima with 3.5L Engine
Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of replacing the crankshaft position sensors on a 2001-2006 Nissan Altima with a 3.5 L engine.
How to Replace the Valve Cover Gasket on a 2009-2014 Acura TL with 3.5L Engine
Brian Eslick from How to Automotive http://www.howtoautomotive.com takes you step-by-step through the process of replacing the valve cover gasket on a 2009-2014 Acura TL with 3.5 L engine.