How Hard is it to Change the Glow Plugs?

With the right instructions this is a beginner DIY job.

Is your 1978 to 1985 300SD or 1980 to 1985 240D, 300D, 300CD, 300TD starting up rough or not starting at all? Do you get a lot of smoke at startup?! The problem may be worn out glow plugs and excess carbon build up in the glow plug holes.

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Problem & Solution

Common among these chassis:


We have all the resources you will need to do this yourself. This includes glow plugs, reamer and instructions. Be sure to check out Kent's instructional video on doing this complete job. See related products: