Here's the FSM on turbo 617 glow plug operation (78-80 and 81 onward)
http://mercedes.thatchermathias.com/w123CD2/Program/Engine/617/15-705.pdf
non turbo series type
http://mercedes.thatchermathias.com/w123CD2/Program/Engine/615/15-505.pdf
It talks about glow plug and indicator duration and safety shutoff of the different model years. Series type non turbo (pre 78) is different than 78-80 turbo, then it changed in 81. I do not see any mention for 85 and assume 85 is the same as 81 through 84.
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85 300D turbo pristine w 157k when purchased 161K now
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked
Last edited by funola; 11-10-2012 at 07:47 PM.
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