Total electrical power loss

Tiny
MGUETHLING
  • MEMBER
  • 2005 MERCEDES BENZ ML350
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 225,000 MILES
While driving, my car loses all electrical power for a split second, not long enough for me to need to restart it. It seams to triggered when I hit the brakes, turn on the radio, anything that takes a bit more power. It will go days working fine and then act up 2 times in 15 minuets. No codes, starts and runs grate otherwise.
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Saturday, September 11th, 2021 AT 7:31 AM

1 Reply

Tiny
SEAN M
  • EXPERT
Hello,

Unless you already have check the battery cable. Make sure it is secured and does not have any corrosion.
It is strange for it to loose all power but not stall the engine. That means the engine ignition system stays operational.
When this happens do you loose the radio? how about the dash gauges?

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

Let me know a little bit more information.
Thank you.
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Saturday, September 11th, 2021 AT 7:22 PM

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