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Getting Ready for my EQS - Installed a AC/DC charger

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Old Sep 11, 2021 | 02:51 PM
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Getting Ready for my EQS - Installed a AC/DC charger

I now have a confirmation that my EQS will be built in late October and installed a combo (AC=J1772) and DC (CCS-1) charger at home. We have several EVs and plan to own two EQS' (one sedan and one SUV) so the charger has two independent chargers: a DC with a max speed of 21KWH and an AC with a max speed of 7.6KWH. I wanted to test the new charger so I rented a Porsche Taycan on Turo for 24hrs. Attached is a video of CCS charging of the Taycan with the new device. The Taycan is beautiful, drives like a charm but *very* thirsty (5% battery drain for 7mi ride at speed limits). The model I tested is a Taycan 4S that has similar power as my upcoming EQS580.


Last edited by avilent; Sep 11, 2021 at 03:07 PM.
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Old Sep 11, 2021 | 04:06 PM
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Curious as to whether anything is missing on your order? Great if it actually is made in October, and taking delivery is another story. Hope it’s not as bad as the w223.
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Old Sep 11, 2021 | 08:27 PM
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My car is also October production. Dealer had told me it moved to January and now moved back to October.
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Old Sep 11, 2021 | 10:14 PM
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Prepare to be patient with this completely new model....there will be glitches and bugs that MB will have to work through. What an exciting time for the automotive industry, as the internal combustion engine was maxed out a long time ago. Congrats to our brave beta testers!
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Old Sep 13, 2021 | 03:27 PM
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Originally Posted by stealth.pilot
My car is also October production. Dealer had told me it moved to January and now moved back to October.
So, do you know for sure if yours will come with the hyperscreen and the augmented reality HUD?
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Old Sep 13, 2021 | 04:55 PM
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We are in the same boat! My EQS (580) has both Hyperscreen and augmented reality HUD. Let's keep our fingers crossed.
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Old Sep 13, 2021 | 08:01 PM
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Originally Posted by BeanTrader
So, do you know for sure if yours will come with the hyperscreen and the augmented reality HUD?
That is what I have been told. However I was also told not to trust the production date because it seems to be bouncing around.
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Old Sep 13, 2021 | 08:30 PM
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Originally Posted by stealth.pilot
That is what I have been told. However I was also told not to trust the production date because it seems to be bouncing around.
Is there a way to verify what you have been told? Right now I don't trust anything Mercedes says. As I indicated to you on a different thread, I also ordered the EQS580 but when the general manager was actually putting in the options I want for the October build (I am first in line), it did not allow for the hyperscreen and AR HUD.
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Old Sep 13, 2021 | 11:07 PM
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Originally Posted by avilent
I now have a confirmation that my EQS will be built in late October and installed a combo (AC=J1772) and DC (CCS-1) charger at home. We have several EVs and plan to own two EQS' (one sedan and one SUV) so the charger has two independent chargers: a DC with a max speed of 21KWH and an AC with a max speed of 7.6KWH. I wanted to test the new charger so I rented a Porsche Taycan on Turo for 24hrs. Attached is a video of CCS charging of the Taycan with the new device. The Taycan is beautiful, drives like a charm but *very* thirsty (5% battery drain for 7mi ride at speed limits). The model I tested is a Taycan 4S that has similar power as my upcoming EQS580.

Video of New Combo AC/DC home charger
Hey, for my Tesla I'm currently using a Tesla mobile connector, plugged into a NEMA 14-50 plug. It doesn't have any of the fancy features the other charges have, its basically all controlled by the car and the car app. I don't know what the setup will be like for the Mercedes. But I was wondering why you chose the Senku?
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Old Sep 14, 2021 | 07:19 AM
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Originally Posted by BeanTrader
Is there a way to verify what you have been told? Right now I don't trust anything Mercedes says. As I indicated to you on a different thread, I also ordered the EQS580 but when the general manager was actually putting in the options I want for the October build (I am first in line), it did not allow for the hyperscreen and AR HUD.
The only way is to verify is to ask your deal to print the built sheet (1 page long document that shows all options). This print out should reflect the exact specs that MB plans to build. Any changes would be shown there.
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Old Sep 14, 2021 | 07:26 AM
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Originally Posted by bnzvett
Hey, for my Tesla I'm currently using a Tesla mobile connector, plugged into a NEMA 14-50 plug. It doesn't have any of the fancy features the other charges have, its basically all controlled by the car and the car app. I don't know what the setup will be like for the Mercedes. But I was wondering why you chose the Senku?
The EQS will have on board timers like the Tesla to allow for Time-of-Use charging so relatively simple chargers will serve it well. One important issue AC chargers do not provide any information on the battery state-of-charge (SOC=% of battery full). DC chargers do exchange SOW with the vehicle and typically display it on their UI. The SENKU unit display the SOC throughout the charge.

I researched all "entry level" DC chargers available for features, reputation, reviews and costs. Senku chargers had significant independent positive reviews in Europe and North America and were very well priced.
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Old Sep 14, 2021 | 01:21 PM
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Originally Posted by avilent
The EQS will have on board timers like the Tesla to allow for Time-of-Use charging so relatively simple chargers will serve it well. One important issue AC chargers do not provide any information on the battery state-of-charge (SOC=% of battery full). DC chargers do exchange SOW with the vehicle and typically display it on their UI. The SENKU unit display the SOC throughout the charge.

I researched all "entry level" DC chargers available for features, reputation, reviews and costs. Senku chargers had significant independent positive reviews in Europe and North America and were very well priced.
Much appreciated, Avilent! that helps with the research I was going to have to do.
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Old Sep 15, 2021 | 02:25 PM
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Originally Posted by avilent
The EQS will have on board timers like the Tesla to allow for Time-of-Use charging so relatively simple chargers will serve it well. One important issue AC chargers do not provide any information on the battery state-of-charge (SOC=% of battery full). DC chargers do exchange SOW with the vehicle and typically display it on their UI. The SENKU unit display the SOC throughout the charge.

I researched all "entry level" DC chargers available for features, reputation, reviews and costs. Senku chargers had significant independent positive reviews in Europe and North America and were very well priced.
Can you please post a link to this exact charger? I looked through Senku's site but could not find it.
Thanks
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Old Sep 15, 2021 | 02:45 PM
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Originally Posted by JoeMa
Can you please post a link to this exact charger? I looked through Senku's site but could not find it.
Thanks
Joe,

Attached is the link the company is

Senku Machinery

They have several wall mounted DC chargers…

Senku DC Chargers

I have worked directly with the Managing Director of the company (Mr Bake)

Mr. BakeWei | Manager Director
Chongqing Senku Machinery Imp and Exp Co., Ltd
Add: No. 1230 Jinkai Road, North of Chongqing, China
Mob: 0086-13983460006 www.senkumachinery.com
Tel: 0086-23-63425659 Fax: 0086-23-63013491

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Old Sep 15, 2021 | 03:57 PM
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Personally I would stick with a level 2 AC charger. The problem with the DC charger is that while it faster, it is also not great for the battery.
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Old Sep 15, 2021 | 04:15 PM
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Originally Posted by stealth.pilot
Personally I would stick with a level 2 AC charger. The problem with the DC charger is that while it faster, it is also not great for the battery.
Stealth, AC charging is actually DC charging - but the EQS does the AC-to-DC conversion in its onboard inverter. Degradation is linked to (a) zone of the battery (i.e charging 0-10% and 80%-100%) and intensity of the charge (i.e. going above 50KWH). Using a lower intensity DC charger will not increase degration.
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Old Sep 15, 2021 | 04:20 PM
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@avilent , is this the charger you purchased?

http://www.senkumachinery.com/produc...tation-dc.html

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Old Sep 16, 2021 | 07:42 AM
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Originally Posted by JoeMa
Joe,

Senku built a custom AC/DC device for me. We have two EVs so having two simultaneous ports was key for us. Attached are the specs.

Attached Files
File Type: pdf
21KW DC+7KW AC.pdf (1.66 MB, 151 views)
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Old Sep 16, 2021 | 03:28 PM
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Originally Posted by avilent
Joe,

Senku built a custom AC/DC device for me. We have two EVs so having two simultaneous ports was key for us. Attached are the specs.
Thanks for the info.
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Old Sep 17, 2021 | 12:41 AM
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Originally Posted by avilent
The only way is to verify is to ask your deal to print the built sheet (1 page long document that shows all options). This print out should reflect the exact specs that MB plans to build. Any changes would be shown there.
That’s the equivalent of what the general manager at my dealership did and the hyperscreen is not available. He told me that realistically, I should not expect all the options I want until next spring.
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Old Oct 9, 2021 | 09:01 PM
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Saw this charger at Costco. Do you think it will work for the EQS? Also contemplating getting adapter for my existing Tesla home charger.
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Old Oct 9, 2021 | 10:34 PM
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Originally Posted by AstroCV
Saw this charger at Costco. Do you think it will work for the EQS? Also contemplating getting adapter for my existing Tesla home charger.
This charger will work with the EQS but will be very slow. This is a 32A or 7.6KW charger, a full charge will take 14-15 hours. The on board AC to DC converter supports up to 50A (9.6KW) so you should go for a 50A charger, many are on the market for about $500.
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Old Oct 10, 2021 | 11:41 AM
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I've driven electric for 6 years now, starting with the BMW i3 and progressing to a Tesla Model X. I have not found occasion to have anything more than a Level 2 charger at my home. True, it takes overnight to charge if the battery is depleted. But, as range continues to expand on cars, such depletion is usually not an issue. I drive a 150 mile round trip a couple of days per week and have never been in a bind for needing more mileage to complete my day. If I were, I'd top off at a nearby Supercharger (in in the case of the EQS at an EA station). I have both the Chargepoint Home Flex and Tesla Wall Connector at my home. I find the versatility of the Chargepoint (it can charge either a Tesla with adapter or another manufacturer) on a 50 amp breaker with up to 37 miles of range per hour to be more than adequate for day to day driving. Before buying a Level 2, check the reviews on each model. Some are definitely better than others. Chargepoint has always been a top performer.
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Old Oct 10, 2021 | 02:11 PM
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Originally Posted by jackinhs
I've driven electric for 6 years now, starting with the BMW i3 and progressing to a Tesla Model X. I have not found occasion to have anything more than a Level 2 charger at my home. True, it takes overnight to charge if the battery is depleted. But, as range continues to expand on cars, such depletion is usually not an issue. I drive a 150 mile round trip a couple of days per week and have never been in a bind for needing more mileage to complete my day. If I were, I'd top off at a nearby Supercharger (in in the case of the EQS at an EA station). I have both the Chargepoint Home Flex and Tesla Wall Connector at my home. I find the versatility of the Chargepoint (it can charge either a Tesla with adapter or another manufacturer) on a 50 amp breaker with up to 37 miles of range per hour to be more than adequate for day to day driving. Before buying a Level 2, check the reviews on each model. Some are definitely better than others. Chargepoint has always been a top performer.
Agree. I charge mine once a week only. Level 2 is more than adequate.

I like the Juice Box 48.
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Old Oct 10, 2021 | 02:54 PM
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Originally Posted by jackinhs
I've driven electric for 6 years now, starting with the BMW i3 and progressing to a Tesla Model X. I have not found occasion to have anything more than a Level 2 charger at my home. True, it takes overnight to charge if the battery is depleted. But, as range continues to expand on cars, such depletion is usually not an issue. I drive a 150 mile round trip a couple of days per week and have never been in a bind for needing more mileage to complete my day. If I were, I'd top off at a nearby Supercharger (in in the case of the EQS at an EA station). I have both the Chargepoint Home Flex and Tesla Wall Connector at my home. I find the versatility of the Chargepoint (it can charge either a Tesla with adapter or another manufacturer) on a 50 amp breaker with up to 37 miles of range per hour to be more than adequate for day to day driving. Before buying a Level 2, check the reviews on each model. Some are definitely better than others. Chargepoint has always been a top performer.
Also keep in mind that some electric companies offer rebates on some Chargers which may make some better and more expensive chargers cheaper than others cheaper and less capable chargers after rebate.
e.g. I bought my Chargepoint HomeFlex for $699 and my electric company offers a $300 rebate, so the Chargepoint only cost me $399 and the Chargepoint HomeFlex is much better than any charger that cost $400.
So be sure to check to see if your utility company offers a rebate and then purchase one of the chargers on their list.
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