Applies to 1978 to 1985 300SD, 1980 to 1993 240D, 300D, 300CD and 300TD, 190D, 300SDL, 350SD and 350SDL
This book explains how a parallel pre-glow system works and how to properly test it using inexpensive electrical testing equipment. If your PENCIL style glow plugs are not working properly, you need to find the cause BEFORE you start buying parts. Testing and diagnosis is something you can do yourself. You will need a good volt - ohm meter with a basic knowledge of how to use it to successfully complete the testing. Schematic diagrams are included for reference and the location of key components is illustrated. 15 pages in length with a total of 20 pictures. Printed on 8.5x11 pages. It is also available in a PDF format if you would like to purchase and immediately be able to download. Please see below to view.
For Book 1 in the series - Mercedes Diesel Pre-Glow Series System Testing 1960 to 1979
For Book 3 in the series - Mercedes Glow Plug Replacement Procedure Manual for 1960 to 1985 Diesels
For Book 4 in the series - Mercedes 60x Parallel Glow Plug Replacement
For Book 5 in the series - Mercedes Pre-Glow Systems Tips, Quick Tests and Upgrades - All Diesels 1960 to 1993