BATTERY DRAINING ON MERCEDES C240 (YEAR 2002) IF THE CAR IS NOT USED FOR 1-2 DAYS

  • Tiny
  • Prabhat
  • 2002 Mercedes Benz C240
  • 170,000 miles

Checked for any external / internallamp, radio remaining ON, no problem found.

Disconnected the electric adjustment for both the front seats still battery drained.

Wednesday, February 1st, 2012 AT 7:03 AM

1 Answer

  • Tiny
  • mhpautos
  • Expert
  • 29,814 posts

Current draw test will show up a problem, hook an Amp meter between battery Pos and battery cable, key off doors closed, read amps if high, pull fuses on at a time to see which circuit is pulling current, there will be a normal draw around.1-.2 amps for system memory.

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Wednesday, February 1st, 2012 AT 10:14 AM

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