Mercedes Diesel Glow Plug Replacement

How to replace Mercedes OM648 pencil glow plugs on these cars -- in US, 2005-2006 E320 CDI. Also applicable to similar Mercedes and Sprinter engines Do this job every 50-60K miles, use Anti-seize, torque to 19 Nm, and you will never have a problem. If yours have not been removed for over 100K miles, think about bringing to a shop -- they can break off and this is essentially unrecoverable for a do it yourselfer -- would require a special kit or removal of entire cylinder head. This is why it's so important to do it regularly and according to specs as shown in this video