PCV valve change on OM642 Engine / 2010 Mercedes S350 CDI

In this video, I will show you how to replace the PCV valve on an OM642 engine in a 2010 Mercedes S350 CDI. This is a very simple procedure but will save you from many troubles. The part is a very simple part that is composed of a rubber diaphragm and a spring inside. Over time the rubber vulcanizes and loses elasticity. Replacing it will reduce the black smog and oil-burning issues. DIY Info: 1. Total DIY time: 10-15 minutes 2. Parts/tools required: -8 mm torx bit, -ratchet, -small extension, -flathead screwdriver, -PCV valve A 642 010 18 91 3. Total cost ₺2900 // $120 Vehicle: 2010 S350 CDI / OM642 7G-tronic Bluetec 308000 km / 191400 miles Timecodes: 0:00 Introduction 1:22 Tools and Parts Needed 1:49 DIY 5:02 No black smog