E-Class (W211) 2003-2009

Cylinder Head Material

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Old Jan 26, 2023 | 01:03 PM
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MB320CDI2008's Avatar
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E320 CDI W211
Cylinder Head Material

Hi All,

First timer Mercedes owner and I ve discovered some dodgy mechanics when investigating a glow plug light. Basically when the plugs have been changed one of the plugs has been snapped. instead of using the proper removal tool the top of the glow plug has been drilled out but unfortunately this has not been done centrally the glow plug shaft hole which goes into the cylinder, and its been drilled to big for a new tread to be tapped to receive a new plug.

Easiest was I feel to get round this is to plug weld the hole and start again with the correct removal tool once the hole has been drilled in the correct place.

My question is does anyone know what material is the cylinder heads made from so I can purchase the correct welding rods / wire.

Many Thanks
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Old Jan 26, 2023 | 01:50 PM
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tjts1's Avatar
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C320
The head is aluminum.
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Old Jan 26, 2023 | 02:08 PM
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E320 CDI W211
Thanks TJTS, I ll try and repair the bodge next week and fingers crossed it goes well otherwise it could get expensive!!!!
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Old Jan 26, 2023 | 09:23 PM
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
I'll be curious to hear if you are able to get a proper and correct fix without pulling the head and taking it to a machine shop.
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Old Jan 27, 2023 | 04:26 AM
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E320 CDI W211
Originally Posted by rapidoxidation
I'll be curious to hear if you are able to get a proper and correct fix without pulling the head and taking it to a machine shop.
I ll let you know for sure and I ll take some pictures for reference
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Old Jan 27, 2023 | 11:50 AM
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E320 CDI
Unlikely going to be able to recover from this. See my thread:

https://mbworld.org/forums/e-class-w...-thoughts.html
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