Does anybody have a spare w124 spark plug wire for a 300E? My number 1 is shorting out to the block, just need one wire. Hate to have to buy an entire set. Just need a short one. Somebody must have yanked on it too hard at once point and broke it internally.

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1987 300E

If you can't find one, might be able to make one out of any plug wire and reuse your ends. 103 motor or 104?

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer

You can pick one up cheap on a pick-n-pull or make your own but you have to re-use the ends. Check the resistance of all of your wires (should be around 1k ohm)

87 300E only came with M103. M104 didn't come out until 1990

"87 300E only came with M103. M104 didn't come out until 1990"

Understood, I've owned both but, I usually don't rely upon vehicles listed in members signatures as the one in question.

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer

It's an M103. The break is near the spark plug end, so maybe I can just reattach that end. The metal part is shorting out against the head.

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1987 300E

3m rubber splicing tape (or any high temp electrical tape) will keep it from shorting until you get one\

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0o==o0

James 4:8

"...let us put aside the blindness of mind of those who can conceive of nothing higher than what is known through the senses"
-Saint Gregory Palamas, ---Discourse on the Holy Transfiguration of Our Lord God and Savior Jesus Christ


Centrally located in North East Central Pa.

On careful inspection, the ceramic at the spark plug end of the wire was cracked. So that's where it was shorting out to the heat shield. I removed the heatshield, and wrapped it all up in electrical tape. It seems to work fine now. I'll keep an eye out for a replacement, but at least it's not missing anymore. Thanks!

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1987 300E