hypothetical -driving and battery disconnects? - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 02-08-2008, 08:47 PM Thread Starter
BenzWorld Junior Member
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hypothetical -driving and battery disconnects?

Hello All,

I test drove a 400se (w140) this morning. While driving it a few faint muffled bumps and bangs were heard coming from the boot area. Knowing that Merc puts its batterys in the boots. I stopped to have a look.
The battery (wrong size) was simply floating in its tray - the only thing that even slightly held it in place were the battery leads.

My query - what would have happened if the battery disconnected while driving on the road at speed? I had dreadfull thoughts of a very sudden stop.
But i am not sure - still scared the bagezers out of me thinking about it?
Does anyone heard of this happening?
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post #2 of 2 (permalink) Old 02-08-2008, 09:01 PM
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Date registered: Apr 2005
Vehicle: 2002 CLK430
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Your electrical system would see a very large voltage spike. Hopefully you'd blow a fuse before damaging something very expensive, like the ECU.
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