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

SL/R231: What charge is being measured??

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Old Jul 18, 2025 | 05:19 PM
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eddieo45
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me: 2015 SL400 & 2015 ML400; wife: 2022 GLC Coupe; daughter: 2017 GLC SUV
What charge is being measured??
In the fuel range screen I see miles remaining and “charge”, which goes up when I coast. What charge?


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Old Jul 18, 2025 | 08:19 PM
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I had the same thing before I had the @BenzNinja AMG menu added. Now it only shows remaining miles.

I think the "Charge" is to your credit card.
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Old Jul 21, 2025 | 08:18 PM
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Is it the mild hybrid battery? The SL63, and maybe the SL55 have that feature. Not sure if the SL43 has that feature.
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Old Jul 21, 2025 | 09:17 PM
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I would suggest it may be the amount of charge from the alternator to probably the main battery.
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Old Jul 22, 2025 | 12:23 AM
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Originally Posted by rmorin49
I would suggest it may be the amount of charge from the alternator to probably the main battery.
Yes this is the answer for non mild hybrid and hybrid vehicles. When you lift off the gas, you will notice the green charge bar, here is a much detailed explanation: https://mbworld.org/forums/glc-class...ml#post8506019
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