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2018 S450 Starter battery...

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Old Feb 8, 2025 | 03:23 PM
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2018 S 450
2018 S450 Starter battery...
Hi, has anyone actually bought a starter battery, "primary" from an Autozone / Napa type store? It is for a 2018 S450 and if was not an exact match, what specs do you consider exceptionable to purchase?



John
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Old Feb 8, 2025 | 04:09 PM
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2019 S560, 2015 Honda Civic Hybrid
I bought an H8 for the 2106 at WalMart for $169 ... working fine going on two years ...
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Old Feb 10, 2025 | 07:10 PM
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I bought one from Costco, Interstate. Exact fit and worked perfectly. Less than $200. Easy.
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Old Feb 10, 2025 | 07:18 PM
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2018 S 450
Will try Costco tomorrow, thanks.
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Old Feb 16, 2025 | 02:38 PM
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Originally Posted by NbyNW
I bought one from Costco, Interstate. Exact fit and worked perfectly. Less than $200. Easy.
Did Costco install it for you and dispose of the old battery? If so and If I need a battery I'll go to Costco. I found last time the Battery went in my 2019 E class that nobody except the dealer would install the battery. I guess they don't like working on Mercedes around here at any shop other than the dealer it seems.
Last edited by 2012 merc amg; Feb 16, 2025 at 02:40 PM.
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Old Feb 18, 2025 | 08:55 AM
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Originally Posted by 2012 merc amg
Did Costco install it for you and dispose of the old battery? If so and If I need a battery I'll go to Costco. I found last time the Battery went in my 2019 E class that nobody except the dealer would install the battery. I guess they don't like working on Mercedes around here at any shop other than the dealer it seems.
I installed it and returned the battery to Costco for the core refund. There are videos out there, it's easy, remove the trunk deck and the battery is right there. No battery programming needed either. One video I watched was a guy in a lab coat, good video.

Edit... found it, for a 2015, same process.

Last edited by NbyNW; Feb 18, 2025 at 08:57 AM.
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Old Feb 18, 2025 | 11:44 AM
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2019 S560, 2015 Honda Civic Hybrid
I've done on both my cars ... good exercise, you can skip the gym that day ;-)
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Old Feb 18, 2025 | 12:31 PM
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Originally Posted by Tom in Austin
I've done on both my cars ... good exercise, you can skip the gym that day ;-)
​​​​​​Haha, is it as bad as shovelling snow : )
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2018 S450
Pretty cold where I live in MN! Time for a new battery in my S450 too, Is it confirmed a h8? Do the 450s and 560s have the same batteries? I've looked all over at every parts store and all they have information for is the AUX battery.
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Old May 20, 2025 | 09:25 PM
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Chrisnbig, what did you find out? does the A8 fit s450?
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