S-Class (W222) 2014-2020

How Long does Main Battery Last?

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Old 12-29-2022, 09:47 AM
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15 S550 4Matic, 86 560SL
Originally Posted by zitsky
Die Hard? Is that the one that Bruce Willis recommends?
Of course!

I go for the best battery that's locally / easily available. So if I have to use the warranty (always an emergency), its quick to get a replacement.
Old 12-29-2022, 10:00 AM
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2020 S560 4Matic
Originally Posted by cfmistry
Of course!

I go for the best battery that's locally / easily available. So if I have to use the warranty (always an emergency), its quick to get a replacement.
Watching AAA during battery replacement on Buick LaCrosse.

My Buick had a lot of bolts to get to the battery. Tech had trouble getting them back right.

Mercedes battery 2020 S560 in trunk or under hood? Mine just replaced after 2 years.
Old 12-29-2022, 01:08 PM
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Just looking at my battery and it would appear I have a Lithium Ion battery in my S63. Is there a reason they used this type of battery? I ask because a new one is close to 2K and I am wondering if an AGM will work the same. Nothing wrong with the battery now but dreading the replacement cost.
Old 12-29-2022, 01:11 PM
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Originally Posted by superpop
Just looking at my battery and it would appear I have a Lithium Ion battery in my S63. Is there a reason they used this type of battery? I ask because a new one is close to 2K and I am wondering if an AGM will work the same. Nothing wrong with the battery now but dreading the replacement cost.
How much is replacement cost? These are expensive cars, right?
Old 12-29-2022, 02:12 PM
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A new LION battery is 2 grand. That is why I asked the question. If MB utilized a Lithium Ion battery to save 20 pounds of weight and an AGM will work just as well than that is the direction I will go, if this car has a specific requirement for a LION battery than I will spend the money.
Old 12-29-2022, 02:17 PM
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Originally Posted by superpop
A new LION battery is 2 grand. That is why I asked the question. If MB utilized a Lithium Ion battery to save 20 pounds of weight and an AGM will work just as well than that is the direction I will go, if this car has a specific requirement for a LION battery than I will spend the money.
I had a battery replaced under warranty. I didn’t realize it was covered. I didn’t expect it to be.
Old 12-29-2022, 02:34 PM
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GLK350
Originally Posted by Tom in Austin
This is my first car with an AGM main battery and it's the original item from the 5/2016 manufacture date, so just now passed six years of use. I have about 45,600 miles on the car.

The car starts fine and everything works fine, but my past experience is an old battery often goes dead suddenly with little warning. The only thing I've noted in my year and a half of ownership is the car rarely ever goes into "auto stop" at stoplights, and I believe that behavior is a sign of a weak battery.

In other threads on this subject people say their main battery lasted longer than six years, so is mine likely to keep going a while longer, or should I go ahead and change it now to be on the safe side?
I changed my battery(GLK 350) after 10 years and all was fine but I did want to take a chance to use the battery any longer. My 2002 T'Bird battery was `12 years old when changed out but only to be safe.
Old 12-29-2022, 06:52 PM
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15 S550 4Matic, 86 560SL
Originally Posted by superpop
Just looking at my battery and it would appear I have a Lithium Ion battery in my S63. Is there a reason they used this type of battery? I ask because a new one is close to 2K and I am wondering if an AGM will work the same. Nothing wrong with the battery now but dreading the replacement cost.
You are correct the S63 uses a Li-Ion battery. To the best of my knowledge it is for weight savings, 45lbs vs 70lbs. I am not sure if an AGM battery would work in its place but I assume you could give it a try and only lose $250 in the worst case.
Old 12-29-2022, 10:41 PM
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Originally Posted by zitsky
I had a battery replaced under warranty. I didn’t realize it was covered. I didn’t expect it to be.
Had the same experience. Took my '20 S450 in for routine service...said it didn't pass their test...and the replacement was covered. About the only change I noticed was the auto off/restart function began functioning, with regularity, again.
Old 01-05-2023, 09:14 PM
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2015 S550 4MATIC
Are the stock Mercedes batteries AGM? I can’t find it written anywhere on the battery or any reference online.

Part # A 000 982 18 0812 V 105 Ah 950 A (EN)
Old 01-06-2023, 08:32 PM
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2013 ML350, 2019 S560
Yes, main battery in S560 is AGM. I believe this is same for S550.
Old 01-07-2023, 08:16 PM
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Check Costco for an Interstate battery. My past S550 battery was less than $200 if I remember correctly. Pick up a better tender while there. Easy DIY battery change.
Old 01-08-2023, 07:26 AM
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Here's what I put in my car ... https://www.walmart.com/ip/EverStart...0-CCA/40647529. AGM, 900 CCA, 4-year warranty and an excellent forearm workout for $169.

WalMart actually delivered it to the house for free with no core charge, so I just took the old one to the local recycling center.

Last edited by Tom in Austin; 01-08-2023 at 06:22 PM.
Old 01-08-2023, 10:26 AM
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Originally Posted by Tom in Austin
Here's what I put in my car ... https://www.walmart.com/ip/EverStart...0-CCA/40647529.

WalMart actually delivered it to the house for free with no core charge, so I just took the old one to the local recycling center.
Any guess how much you are saving by NOT going to the dealer?

I usually have my butler handle the battery recycling. 🙂
Old 04-16-2023, 08:16 PM
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S550
Originally Posted by Tom in Austin
Here's what I put in my car ... https://www.walmart.com/ip/EverStart...0-CCA/40647529. AGM, 900 CCA, 4-year warranty and an excellent forearm workout for $169.

WalMart actually delivered it to the house for free with no core charge, so I just took the old one to the local recycling center.
Hello Tom,
My car is showing all the symptoms of a dying battery... Was there any process you had to follow to replace the battery, or was it just a quick swap?
Old 04-16-2023, 08:56 PM
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Quick swap ... and good exercise, that ***** is heavy as hell
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