Home or standard charging
Thread Starter
MBWorld Fanatic!
Joined: Feb 2014
Posts: 1,939
Likes: 396
From: Iowa
2025 EQS580
Home or standard charging
Why do we have these two options? What’s the difference? Does it mean that when charging at home, we should set it at home charging and when charging on the highway we set it at standard? Again, why is there a distinction? Does it hurt the high voltage battery if charging at home and it’s set on standard?
MBWorld Fanatic!
Joined: Dec 2006
Posts: 6,501
Likes: 336
From: Europe
223.168 & 213.012 & 906.633 & 214.005
Why do we have these two options? What’s the difference? Does it mean that when charging at home, we should set it at home charging and when charging on the highway we set it at standard? Again, why is there a distinction? Does it hurt the high voltage battery if charging at home and it’s set on standard?
EDIT: some of the multiple spelling errors fixed
Last edited by Diesel Benz; Jun 20, 2022 at 01:12 AM. Reason: spelling
Super Member
Joined: Nov 2021
Posts: 825
Likes: 263
From: NE KY, on the Ohio River
2018 S560; 2022 EQS450+
You must be referring to the different charging profiles that each can be configured to the owners liking. The applied profile makes no difference but the settings for each. One might prefer to charge for 80% at home and set that profile to activate on the location basis. On the road one might want 100% battery level because the car would be driven after charging and not parked at a higher than 80% SOC as recommended. Occasionally one might want full 100% at home when leaving to a long trip. The select the standard profile if that was configured for 100% even if charging at home.
Thread Starter
MBWorld Fanatic!
Joined: Feb 2014
Posts: 1,939
Likes: 396
From: Iowa
2025 EQS580
You must be referring to the different charging profiles that each can be configured to the owners liking. The applied profile makes no difference but the settings for each. One might prefer to charge for 80% at home and set that profile to activate on the location basis. On the road one might want 100% battery level because the car would be driven after charging and not parked at a higher than 80% SOC as recommended. Occasionally one might want full 100% at home when leaving to a long trip. The select the standard profile if that was configured for 100% even if charging at home.
MBWorld Fanatic!
Joined: Oct 2014
Posts: 4,524
Likes: 1,181
From: WI
17 E43; 21 GLS580
A good idea is 100% at home and 80% away (for DC).
Thread Starter
MBWorld Fanatic!
Joined: Feb 2014
Posts: 1,939
Likes: 396
From: Iowa
2025 EQS580
If you’re not taking a long trip, why would you want to charge to 100% at home? I thought it was healthier for the battery to charge to 80%.
MBWorld Fanatic!
Joined: Oct 2014
Posts: 4,524
Likes: 1,181
From: WI
17 E43; 21 GLS580
It is, but if you charge to 100 you get less charging cycles and the charging is at a slow rate. I dont mean charging every night to 100, rather charging 20 to 100 at home. From what I know the most detrimental conditions for battery longevity are temperature and number of cycles, how full you charge it is a much smaller factor. Thus if you charge it full (at level 2) you decrease the number of cycles and you avoid thermal stress. Im not a battery engineer, but I think it mostly evens out. Any battery experts feel free to chip in.
Trending Topics
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
It is, but if you charge to 100 you get less charging cycles and the charging is at a slow rate. I dont mean charging every night to 100, rather charging 20 to 100 at home. From what I know the most detrimental conditions for battery longevity are temperature and number of cycles, how full you charge it is a much smaller factor. Thus if you charge it full (at level 2) you decrease the number of cycles and you avoid thermal stress. Im not a battery engineer, but I think it mostly evens out. Any battery experts feel free to chip in.
MB World Stories
The Best of Mercedes & AMG
8 Oddball Mercedes Ideas That Actually Made it to Production
Verdad Gallardo
Dubai Tuner Gives the Mercedes G-Class An Entirely New Look
Verdad Gallardo
Six Gift Ideas Your AMG Loving Dad or Grad Will Cherish
7 Craziest Things AMG Gas Ever Built
Verdad Gallardo
New Electric Mercedes-AMG GT 4-Door Coupe Unveiled: 10 Things You Need to Know
Verdad Gallardo
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
MBWorld Fanatic!
Joined: Aug 2009
Posts: 2,133
Likes: 265
From: NM
2023 AMG EQS
It is, but if you charge to 100 you get less charging cycles and the charging is at a slow rate. I dont mean charging every night to 100, rather charging 20 to 100 at home. From what I know the most detrimental conditions for battery longevity are temperature and number of cycles, how full you charge it is a much smaller factor. Thus if you charge it full (at level 2) you decrease the number of cycles and you avoid thermal stress. Im not a battery engineer, but I think it mostly evens out. Any battery experts feel free to chip in.
A charge cycle is a discharge of the total capacity of the battery. So If you charge to 100% and dissipate to 0% that is one charge cycle. If you charge to 80% and dissipate to 70% and recharge to 80% that is only 1/10th of a charge cycle. So if you were to charge to 80% every nigh after spending 10% on your daily commute. It will take you 10 days to get to 1 charge cycle...It is not considered as 10 charge cycles.
So it doesn't matter if you charge to 100% and wait to recharge at 0% or if you charge from 70-80% nightly for 10 nights... they are both 1 charge cycle.
MBWorld Fanatic!
Joined: Oct 2014
Posts: 4,524
Likes: 1,181
From: WI
17 E43; 21 GLS580
I think you are misunderstanding what a charge cycle is... I did too.
A charge cycle is a discharge of the total capacity of the battery. So If you charge to 100% and dissipate to 0% that is one charge cycle. If you charge to 80% and dissipate to 70% and recharge to 80% that is only 1/10th of a charge cycle. So if you were to charge to 80% every nigh after spending 10% on your daily commute. It will take you 10 days to get to 1 charge cycle...It is not considered as 10 charge cycles.
So it doesn't matter if you charge to 100% and wait to recharge at 0% or if you charge from 70-80% nightly for 10 nights... they are both 1 charge cycle.
A charge cycle is a discharge of the total capacity of the battery. So If you charge to 100% and dissipate to 0% that is one charge cycle. If you charge to 80% and dissipate to 70% and recharge to 80% that is only 1/10th of a charge cycle. So if you were to charge to 80% every nigh after spending 10% on your daily commute. It will take you 10 days to get to 1 charge cycle...It is not considered as 10 charge cycles.
So it doesn't matter if you charge to 100% and wait to recharge at 0% or if you charge from 70-80% nightly for 10 nights... they are both 1 charge cycle.
Here is an article that is also pretty good on the subject. It also covers the question of the battery buffer well. Unfortunately manufacturers never quote the real size of the battery (closely guarded secret) only the usable portion. The best estimate on the EQS is that the battery is 115kw.
MBWorld Fanatic!
Joined: Oct 2014
Posts: 4,524
Likes: 1,181
From: WI
17 E43; 21 GLS580
Here is an excellent analysis on EQS charging (different topic). But its a good explanation of why peak charging rate is not the the best measure of charging performance. Fast and steady is as good or better as very fast but peaky. MB has done it homework very well. Even the Tesla's Plaid (supposedly the king of battery technology) can touch it.
MBWorld Fanatic!
Joined: Dec 2006
Posts: 6,501
Likes: 336
From: Europe
223.168 & 213.012 & 906.633 & 214.005
I think later posts clarified the point much better.By the way, do you only have two preconfigurable charging profiles? Makes no real difference but for some reason the 223.168 has three: home, work and default.
MBWorld Fanatic!
Joined: Oct 2014
Posts: 4,524
Likes: 1,181
From: WI
17 E43; 21 GLS580
Sorry I forgot to add a link to the charging analysis
Mercedes-Benz EQS Charging Analysis Reveals It's Faster Than Plaid (insideevs.com)
Mercedes-Benz EQS Charging Analysis Reveals It's Faster Than Plaid (insideevs.com)
Member
Joined: Jan 2021
Posts: 153
Likes: 50
911
What is most detrimental is the amount of time the battery stays at the maximum charge. So there is no harm in charging to 100% so long as you leave very quickly once it gets to that charge level. For long time storage you should keep the battery charged near 50%. The number of charge cycles is not that important - so long as you stay between 20 and 80%. Keep in mind that every time you step on the brakes it charges the battery (unless you exceed something like 0.7Gs). One reason that battery life of cell phones (watches, etc.) is often given as cycles/life is that most people - especially those without an electric car - always charge their phones to 100%. With your next phone, try the 20 to 80% charging routine and see how much longer the battery maintains its 100% capacity!.
Member
Joined: Jan 2022
Posts: 90
Likes: 29
2022 EQS 580, 2020 Tesla Model X LR
What is most detrimental is the amount of time the battery stays at the maximum charge. So there is no harm in charging to 100% so long as you leave very quickly once it gets to that charge level. For long time storage you should keep the battery charged near 50%. The number of charge cycles is not that important - so long as you stay between 20 and 80%. Keep in mind that every time you step on the brakes it charges the battery (unless you exceed something like 0.7Gs). One reason that battery life of cell phones (watches, etc.) is often given as cycles/life is that most people - especially those without an electric car - always charge their phones to 100%. With your next phone, try the 20 to 80% charging routine and see how much longer the battery maintains its 100% capacity!.
Newbie
Joined: Jun 2022
Posts: 11
Likes: 4
EQS 450+
SOC stands for 'state of charge'....hope that helps.
