OM642 glow plugs

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Chazz9001

New Member
Joined
Jul 21, 2019
Messages
5
Location
UK
Car
2010 cls 350
Hi all. I’m hoping someone is able to tell me which glow plug I need for a 2010 cls 350 CDI. It has the OM642 3L turbo V6 Diesel engine the problem is that this engine uses 3 types of glow plug. The 4.5v, 7v or a ceramic. Would I be correct in assuming that different control units would be required for the 4.5v / 7v and how would I be able to identify which one I have ?
 
From what I am aware and of my personal experience on changing my controller, the white backed unit is the newer style controller.

As for the glow plugs, I would recommend going directly to Mercedes for the parts as they are not that expensive and you are sure to get the correct glowplug.
 
The white back was on my 08 cls .so hardly new. Best was to check as ive already said is to remove a glow plug and check.
 

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