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2008 Mercedes E320 , 1982 Mercedes 300 SD, 2005 Suzuki Forenza
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9 Posts
Discussion Starter #1
Need to change glow plug on my Mercedes 2008 E320 Bluetec
I would like to know the correct voltage for these glow plugs
I heard about 7 volts and other say 4.4 volts.
Since the car system is 12 volts why the plugs are less than 12 volts ?
If you know please send me also the part number.
Thanks
 

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E320/E250 Bluetec Ford F350 6.7l
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36,327 Posts
Where are you buying the parts? Any reputable seller will match them to your VIN, so no worry.
Modern GP have computer-controlled modules, who spike the current in short burst for fast heating, that's why you have lover voltage plug.
Older plugs could take 20 second in freezing temperatures, or even triple glowing in sub-freezing.
 
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