Consumer battery, 2003 SL500 - Mercedes-Benz Forum

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post #1 of 7 (permalink) Old 09-08-2009, 02:06 PM Thread Starter
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Consumer battery, 2003 SL500

Is the battery in the trunk of my car supposed to be a group 48 or group 49???
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post #2 of 7 (permalink) Old 09-08-2009, 04:28 PM
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What is the difference? I never heard of batteries having a group.

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post #3 of 7 (permalink) Old 09-09-2009, 06:40 AM Thread Starter
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never heard of battery groups?

Thanks for your helpful reply. Maybe you could start your own thread about battery groups, like you really didn't know.
For anyone who really doesn't know, batteries fit into designated groups, mostly designated by size or function. Common marine batteries are Groups 24,27 and 30 and then defined by function, either starting battery or deep cycle battery.
SL500s use two batteries, one under the hood designated as the starting battery and one in the trunk designated as the "consumer electric" battery. One is a group 48 and one is a group 49 and I am trying to find out which one goes into the trunk.
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post #4 of 7 (permalink) Old 09-09-2009, 11:34 AM
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I've never bought batteries by group. I hope you did not scare away people who really know the answer and enjoy your own thread.
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post #5 of 7 (permalink) Old 09-09-2009, 10:18 PM
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First I ve heard of such a thing. Wanna take a pic and show us what a group battery is? I just Interstate or factory MB batteries.

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post #6 of 7 (permalink) Old 09-10-2009, 07:27 AM
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see attachment.
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post #7 of 7 (permalink) Old 09-24-2009, 01:10 PM
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230-541-00-01 part number for battery under hood. i dont know if this helps. also there is a major size difference. much longer battery in the trunk.
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