Forum Discussions about this Product

1. A

   Unable to clear white battery "Visit Workshop" console message, aux battery replaced

   • additive
   • Mar 6, 2017
   • W164 M-Class

   2

   38

   22K

   Dec 14, 2020

    by Planethill
   1. A

      additive

      · Registered

      2006 ML500, 2009 GL450

      Joined Oct 23, 2015

      ·

      60 Posts

      Discussion Starter · #7 · Mar 7, 2017

      Only show this user

      After I removed the auxillary battery, I tested it and it had over 12 Volts (can't remember exact amount, but way in the green on the battery tester). I also tested the main battery by connecting the battery tester on the jump point under the hood and the main battery tested fine with vehicle off and vehicle running.
      
      Here is the battery tester that was used: 100 Amp 6/12V Battery Load Tester

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2. R

   MB dealer tested my 8-year-old 100A battery and said its didn't need replacing now...

   • roundruler
   • Oct 30, 2011
   • General Mercedes-Benz

   9

   2K

   Nov 3, 2011

    by Kajtek1
   1. 

      Kajtek1

      · Registered

      1922 Ford T no OBD, no ECU, no SCN

      Joined Dec 7, 2005

      ·

      37,921 Posts

      #6 · Nov 1, 2011 (Edited)

      Only show this user

      Good one MM
      Load testers run $25 at HB.
      The battery in our ML320 lasted 12 years and 4 months since we picked up the car.
      http://www.harborfreight.com/100-amp-6-volt-12-volt-battery-load-tester-90636.html

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