I'd be more afraid of the lines damaging something else than the lines getting damaged. That braided stainless line works really well as a saw on anything it touches. The oil cooler lines aren't anywhere near where you would need fire sleeve. Just ziptie some split rubber hose around the ss lines and go on about your day.
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2011 MB Touring-Sport-6sp-Nav/GTM TT/FI TT TDX/JTran/Kosmic/Eibach/Hotchkis/SPC/CSF/RPS/SoThatsWhereAllMyMoneyWent
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