SL-Class (R231) 2013 on: Discussion on the SL550

SL/R231: Which Battery is Best?

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Old Apr 15, 2024 | 11:55 PM
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Which Battery is Best?

I’m going to replace the main battery in my 2015 SL550 and I’m considering these three. Anybody have any comments about these or suggestions about better alternatives? The NAPA Legend is on sale for $50 off, and the Odyssey is $365.






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Old Apr 16, 2024 | 01:39 AM
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R231 SL500
Have you tried the dealer for a price? In the UK they're comparable to other retailers.
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Old Apr 16, 2024 | 12:57 PM
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Originally Posted by ToeKneee
Have you tried the dealer for a price?
$315 at the dealer. Is there a consensus as to how it compares to the others for quality and durability?
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Old Apr 16, 2024 | 06:55 PM
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I installed a Duralast Platinum a year ago, and it's fine. Three manufacturers make 2/3's of the world's car batteries, so it's likely you're getting a battery from one of them no matter what brand you buy.
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Old Apr 16, 2024 | 07:10 PM
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I actually have the Odyssey battery and it's been fine. I got it from FCP Euro about 2 years ago. At the time it was $263. It is now $356.

Last edited by JettaRed; Apr 16, 2024 at 07:16 PM.
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Old Apr 16, 2024 | 07:28 PM
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I just checked the date on my battery and it’s actually the original one from 2014, so I guess I’ll stick with the dealer.
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Old Apr 16, 2024 | 08:07 PM
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Originally Posted by War Party
$315 at the dealer. Is there a consensus as to how it compares to the others for quality and durability?
Does the dealer provide any warranty?
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Old Apr 22, 2024 | 06:41 PM
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Originally Posted by wildta
Does the dealer provide any warranty?
2 years only…



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Old Apr 22, 2024 | 07:03 PM
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Originally Posted by War Party
2 years only…


Thats's a deal -- dealer charges you for a new battery, and returns the take-out for a free replacement under a 3 year warranty, then sells it to the next guy.
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