CLA 35, CLA 45 AMG (C117, C118) 2013 to Present, Two generations

Rebellion tune cable... fried / burnt?

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Old Feb 9, 2017 | 09:48 PM
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CLA 45 AMG
Rebellion tune cable... fried / burnt?

Hey all, got back home yesterday and popped everything open to remove the plug and play tuning system (from Rebellion), so that I could get my car serviced. However, upon opening the hood, I see that part of a cable has been burnt or melted.

Not sure what happened, as everything was fine 2 weeks ago. Left it for past 2 weeks so family member could drive it while I was gone, but that's about it. No lights or anything. Car was well maintained and serviced. Had this tune for about a year now with no issues (until now). Car never got too hot, coolant was well maintained also, so not sure what's up.

Is this self fixable, or even usable still? If so, how? Any help is appreciated! Thanks!

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Old Feb 10, 2017 | 10:29 AM
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2003 W211 E55, 2003 W220 S600
Yes, use new wire and heat shrink tubing and this time route it away from the heat source.
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Old Feb 10, 2017 | 07:28 PM
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Originally Posted by shardul
Yes, use new wire and heat shrink tubing and this time route it away from the heat source.
What do you exactly mean by new wire? Not really experienced in this, sorry. Where would I be able to purchase this 'wire,' then how would I install it after?

Do I need to get new heat shrink tubing for everything, or just the toasted area?

Thanks!
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Old Feb 22, 2017 | 08:12 PM
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I just bought my amg so don't know much about it yet. However go to Lowe's and get wire strippers. Figure out what gauge wire is melted. Buy that gauge wire from anywhere really.

Cut before and after the melted part. Use whatever connectors you want between the new wire and old wire. It wouldn't hurt to solder those connectors. Before making the wire one piece get heat shrink tubing from the same store you get the wire from probably. Slide it over the old wire and take a flame from a lighter to shrink and protect the new connectors. If you can't reroute the harness away from whatever was getting hot enough to melt it invest in fiberglass heat wrap and get to wrapping. You could get fancy and run the lines through a braided steel conduit but, that's up to you.

Hope that helps.

I personally would just cut it out and solder the same wire to itself.

Last edited by Falselink; Feb 22, 2017 at 08:15 PM.
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Old Mar 7, 2017 | 06:07 AM
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Originally Posted by Falselink
I just bought my amg so don't know much about it yet. However go to Lowe's and get wire strippers. Figure out what gauge wire is melted. Buy that gauge wire from anywhere really.

Cut before and after the melted part. Use whatever connectors you want between the new wire and old wire. It wouldn't hurt to solder those connectors. Before making the wire one piece get heat shrink tubing from the same store you get the wire from probably. Slide it over the old wire and take a flame from a lighter to shrink and protect the new connectors. If you can't reroute the harness away from whatever was getting hot enough to melt it invest in fiberglass heat wrap and get to wrapping. You could get fancy and run the lines through a braided steel conduit but, that's up to you.

Hope that helps.

I personally would just cut it out and solder the same wire to itself.
Hey man, thanks for the detailed response. Much appreciated! Useful info, but issue is I'm not really experienced, or don't really know what to do completely...

Is there some sort of specialist or store I can take this to? Thanks!
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