AMG GTS Lithium Ion baterry. What's so big secret.

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Old May 19, 2015 | 08:16 PM
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AMG GTS Lithium Ion baterry. What's so big secret.

Does anyone can provide some information's about the battery on GTS AMG? Is pretty amazing that even after I Google it I found nothing. For example when do I have to charge the battery? If I'm not driving it for a week or maybe for three weeks. No Info not even in the Owners Manual. It looks like a big secret from MB. Under what conditions you have to charge or keep the battery charged?

I will love to hear some opinion from people who bought the car already and what their representative told them.
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Old May 20, 2015 | 05:46 AM
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Mercedes C200 CGI, CLS350, CLA45 AMG, AMG GTS(ordered)
Lithium batteries last up to ten years and need little maintenance. They hold charge for up to a year when left alone. I have been using after market lithium batteries on my MB cars for a while and never had any problems.
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Old May 20, 2015 | 04:14 PM
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Originally Posted by ddtung
Lithium batteries last up to ten years and need little maintenance. They hold charge for up to a year when left alone. I have been using after market lithium batteries on my MB cars for a while and never had any problems.

So if I don't drive the car for one month you telling me the battery will be ok without being plug in?
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Old May 21, 2015 | 12:09 AM
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Originally Posted by Me access
So if I don't drive the car for one month you telling me the battery will be ok without being plug in?
The salesman at our local Mercedes-Benz dealership told me that if the car is not used for a few weeks it should be hooked up to a trickle charger which is included with the car. He showed me the trickle charger in the trunk.
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Old Jul 15, 2015 | 02:57 PM
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Originally Posted by ddtung
Lithium batteries last up to ten years and need little maintenance. They hold charge for up to a year when left alone. I have been using after market lithium batteries on my MB cars for a while and never had any problems.
Can you share which battery you used. Can you fit it on a normal car not meant to have a lithium battery.
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Old Jul 15, 2015 | 05:39 PM
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Originally Posted by Gerry_M
Can you share which battery you used. Can you fit it on a normal car not meant to have a lithium battery.
Braille lithium batteries are the best. They have a full range to suit just about every car or need.
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Old Jul 15, 2015 | 06:42 PM
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Originally Posted by ddtung
Braille lithium batteries are the best. They have a full range to suit just about every car or need.
Which particular one did you use? They seem to range from $600 to $2000
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Old Jul 15, 2015 | 07:45 PM
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I use a ctek trickle charger on the 63 in the winter ... Benz rebadged ctek chargers as their own for years
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Old Jul 15, 2015 | 08:04 PM
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I keep mine on a tender all the time. I only drive my car on the weekends. MB says that the battery for the car is 3500 and weighs 2.5 pounds.
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Old Jun 7, 2017 | 03:12 PM
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AMG GTS Edition 1
So... does a 2016 AMG GTS have a lithium battery? I was told there are 2 batteries in the car - the lithium (to start the car) and a regular one (with a charge point in the trunk) to run everything else.

Any info?
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Old Jun 7, 2017 | 05:18 PM
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Originally Posted by larrymz3
So... does a 2016 AMG GTS have a lithium battery? I was told there are 2 batteries in the car - the lithium (to start the car) and a regular one (with a charge point in the trunk) to run everything else.

Any info?
Not heard that before.

Just the lithium, opposite side to the ECU.
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Old Jun 7, 2017 | 05:50 PM
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AMG GTS Edition 1
In the engine compartment? So, why is the charging plug in the trunk?
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Old Jun 7, 2017 | 11:29 PM
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AMG GTS Edition 1
I spoke to my friend (who is a MB service tech) this afternoon and he advised that there are in fact TWO batteries in the AMG GTS! The lithium up front which is primarily for starting the vehicle... and a standard AGM in the rear called the "consumer" battery.

The charger that plugs in the rear is a standard, non lithium charger. He advised that the lithium battery in the engine compartment does not need a battery maintainer.

So would that mean that we would need TWO chargers for the vehicle?

Does this information sound accurate?
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Old Jun 8, 2017 | 06:30 AM
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My GT-S Li battery went flat because I didn't drive it for several weeks and the car would not start. I measured the voltage across the terminals of the lithium battery under the hood and it was extremely low, much lower than you would ever see on a lead-acid battery. So I plugged the supplied charger into the lighter socket in the trunk and left it for a few days and car started fine. Now anytime I am not driving the car for a week or more, I just plug in the small charger in the trunk. My wife's 2015 GLK has a "consumer" small battery in the compartment under the floor board beside the spare tire in the back, which I saw when I wired in a trailer hitch harness, and I was really curious about this small battery and its function. I have not seen a wiring diagram for a modern MB so I don't know how the main and small "consumer" battery are connected. But there can only be one 12V circuit in the car I would imagine.
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Old Jun 8, 2017 | 08:42 AM
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AMG GTS Edition 1
Ok, my car didn't come with the battery charger, so, I've just ordered this one:

https://www.amazon.com/CTEK-56-926-LITHIUM-Automatic-Phosphate/dp/B00EUF6UM8 https://www.amazon.com/CTEK-56-926-LITHIUM-Automatic-Phosphate/dp/B00EUF6UM8
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