Mercedes Wallbox
Newbie
Joined: Jun 2024
Posts: 1
Likes: 0
EQE500
terminal connection
I did it and it worked like a charm, Used a 4 prong, but, there was no terminal in the Mercedes Wall box for a neutral, Just L1, L2, and Ground. So a 3 Prong would work fine, Stick with as short of a cable as possible. Terminal was a bit tricky, but figured it out. Ultimately decided against the whole thing as the Mercedes Wall Box Charge cable was a bit Shorter than needed to reach the EQS. I therefore reverted to the APEX box, which offered a longer cable. Conclusion: Avoid a Plug in application, if possible, but it can be done with the proper 14/50 cable for a plug in application and its beautiful, just make sure the charge cable reaches the car charging port first, LOL. Quite an experience. Now, I'm Selling the Mercedes Wall box, if anyone is interested. Local SoCal Pick up $499.
Newbie
Joined: Jun 2024
Posts: 3
Likes: 1
EQS 580, EQE AMG
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
Just thought I'd check to see if my 2022 EQS qualified. Went to the provided link and put in my VIN. It keeps telling me the VIN is invalid. But, it's my VIN, and it's in the MBConnect app. . Any suggestions?
Newbie
Joined: Jun 2024
Posts: 3
Likes: 1
EQS 580, EQE AMG
I've had the same issue with one of my cars, they responded saying the vin was not included in the promotion and was nothing they could do. I do have a couple of chargers still in the box for sale, let me know if interested. Located in Miami.
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
I'm OK with that.....just not with them telling me my VIN is invalid instead of saying I'm just not included in this promotion. Oh, well.....I'll get over it. Thanks.
Newbie
Joined: Oct 2024
Posts: 4
Likes: 0
Brand new to Mercedes as of this weekend. Leased a 20244 EQS SUV 450+
I had a previous Nema 14-50 outlet in the garage that I was using for my Audi eTron. It charges at about 8.7kW, while when I used the Mercedes cable that plugs into the same outlet, I get about 7.0kW
If I install the Wallbox, it just increases output to 9.6kw (what I gathered from reading this thread)? If so, doesn't seem like it'd be worth it to get it installed - I'll just continue to use the outlet. Am I missing something?
I did see this online via google search, but didn't really see the superfast charge verified anywhere else, that it can go up to 80% within 30 minutes with the wallbox.
Keeping your battery in between 20% and 80% is the best way to preserve its health and capacity over the long term, and with a Mercedes-Benz wall box charger, you can always get back on the road in a matter of minutes:
I had a previous Nema 14-50 outlet in the garage that I was using for my Audi eTron. It charges at about 8.7kW, while when I used the Mercedes cable that plugs into the same outlet, I get about 7.0kW
If I install the Wallbox, it just increases output to 9.6kw (what I gathered from reading this thread)? If so, doesn't seem like it'd be worth it to get it installed - I'll just continue to use the outlet. Am I missing something?
I did see this online via google search, but didn't really see the superfast charge verified anywhere else, that it can go up to 80% within 30 minutes with the wallbox.
Mercedes-Benz Wall Box Charger: Charge Times
Although the last 20% of your battery’s capacity can take significantly longer to refill, it’s only really necessary to top off your battery when you’re making a long-distance drive or trying to save time on a road trip.Keeping your battery in between 20% and 80% is the best way to preserve its health and capacity over the long term, and with a Mercedes-Benz wall box charger, you can always get back on the road in a matter of minutes:
- 10% to 80%: 31 minutes
- 20% to 80%: 25 minutes
- 40% to 80%: 18 minutes
- 60% to 80%: 10 minutes
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
Brand new to Mercedes as of this weekend. Leased a 20244 EQS SUV 450+
I had a previous Nema 14-50 outlet in the garage that I was using for my Audi eTron. It charges at about 8.7kW, while when I used the Mercedes cable that plugs into the same outlet, I get about 7.0kW
If I install the Wallbox, it just increases output to 9.6kw (what I gathered from reading this thread)? If so, doesn't seem like it'd be worth it to get it installed - I'll just continue to use the outlet. Am I missing something?
I did see this online via google search, but didn't really see the superfast charge verified anywhere else, that it can go up to 80% within 30 minutes with the wallbox.
Keeping your battery in between 20% and 80% is the best way to preserve its health and capacity over the long term, and with a Mercedes-Benz wall box charger, you can always get back on the road in a matter of minutes:
I had a previous Nema 14-50 outlet in the garage that I was using for my Audi eTron. It charges at about 8.7kW, while when I used the Mercedes cable that plugs into the same outlet, I get about 7.0kW
If I install the Wallbox, it just increases output to 9.6kw (what I gathered from reading this thread)? If so, doesn't seem like it'd be worth it to get it installed - I'll just continue to use the outlet. Am I missing something?
I did see this online via google search, but didn't really see the superfast charge verified anywhere else, that it can go up to 80% within 30 minutes with the wallbox.
Mercedes-Benz Wall Box Charger: Charge Times
Although the last 20% of your battery’s capacity can take significantly longer to refill, it’s only really necessary to top off your battery when you’re making a long-distance drive or trying to save time on a road trip.Keeping your battery in between 20% and 80% is the best way to preserve its health and capacity over the long term, and with a Mercedes-Benz wall box charger, you can always get back on the road in a matter of minutes:
- 10% to 80%: 31 minutes
- 20% to 80%: 25 minutes
- 40% to 80%: 18 minutes
- 60% to 80%: 10 minutes
- Keep in mind that these EV charging times reflect the use of DC power. The use of AC power will take significantly longer-up to 11.25 hours to go from 10% to 100%. In fact, this is precisely why it makes sense for every EV owner to order a wall box from their vehicle’s manufacturer!
Last edited by hlothery; Oct 8, 2024 at 07:30 AM.
Newbie
Joined: Oct 2024
Posts: 4
Likes: 0
You will be charging on AC power at home, not DC. You should search for my thread on my garage fire. Just make sure the wiring and the circuit braker are the correct capacity to support 9.6kW charging, or more. 9.6kW charging means you are pulling a continous 40amps through the cable for several hours. The circuit, then, must be a 50 amp circuit (6Awg wire and a 50 amp breaker). Less than that wiill overload the circuit and result in a fire. Also, The place where mine caught fire was the chep NEMA plug the original installer put in. Direct wiring is better (safer), so if you are going to use a plug in please make sure your plug is one of the more robust (Hubbell or others) plugs, rather than the cheapo. That and an adequately capable circuit should give you no problem.
Will the wallbox really give me significantly faster charge speeds? If not I'll probably just keep my current arrangement.
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MBWorld Fanatic!
Joined: Jun 2010
Posts: 2,757
Likes: 957
From: Atlanta
2022 Mercedes EQS 580
A 9.6kw charger cannot charge a battery from 10 to 80% in 31 minutes. That is mathematically impossible.
My charge point charges at 9.6kw so I can say this both from experience and from theory.
My charge point charges at 9.6kw so I can say this both from experience and from theory.
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
Agree. Only DC fast charging can do this, and that is not possible at home without significant expense. I usually charge between 40-80%, at 9.6kW on a 50amp curcuit, and it takes about 4-5 hours. You don't need anything faster than that at home, IMHO. That works just fine for me, and based on my utilities regular rates, is costing me about $35 a month. I do recommend direct wiring instead of your plug, but otherwise, the home boxes are very capable of keeping you safely charged.
MBWorld Fanatic!
Joined: Feb 2007
Posts: 2,550
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From: Cary, NC
2024 AMG EQE SUV , 2021 E63S Wagon - gone, 2018 E63S Sedan - gone
"....Keeping your battery in between 20% and 80% is the best way to preserve its health and capacity over the long term, and with a Mercedes-Benz wall box charger, you can always get back on the road in a matter of minutes:
- 10% to 80%: 31 minutes
- 20% to 80%: 25 minutes
- 40% to 80%: 18 minutes
- 60% to 80%: 10 minutes
- Keep in mind that these EV charging times reflect the use of DC power. The use of AC power will take significantly longer-up to 11.25 hours to go from 10% to 100%..."
Last edited by HBerman; Oct 8, 2024 at 05:36 PM.
Junior Member
Joined: Apr 2016
Posts: 35
Likes: 8
From: ATL via NY
2023 EQS 450+, 2011 E350 Coupe
So I am curious as to if this is a setting in our MB's that can be overridden. My wife just got a gently used 2020 eTron and we both use the wallbox charger at home. She is getting 10.5kw out of the same charger that only gives me 9.6kw. My wallbox is directly connected to the circuit breaker.
Member
Joined: Jan 2023
Posts: 187
Likes: 48
EQE 350 4matic
So I am curious as to if this is a setting in our MB's that can be overridden. My wife just got a gently used 2020 eTron and we both use the wallbox charger at home. She is getting 10.5kw out of the same charger that only gives me 9.6kw. My wallbox is directly connected to the circuit breaker.
Junior Member
Joined: Apr 2016
Posts: 35
Likes: 8
From: ATL via NY
2023 EQS 450+, 2011 E350 Coupe
Interesting.... Of all the things to cut cost on this is what they came up with? LOL Well I can't cry over that 1.1kW when all I do is plug in and go watch tv on the couch!
Member
Joined: Jan 2023
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EQE 350 4matic
Super Member
Joined: Jan 2022
Posts: 981
Likes: 555
Since you cant safely pull a steady 48amp through a 50amp line, most of us would require a rewire of our house anyway. So I'm actualy OK with 9.6kW.
Member
Joined: Jan 2023
Posts: 187
Likes: 48
EQE 350 4matic
Since the MB wall box (from 2nd Gen) recommends you to hardware, its cheaper to pull a 60A circuit than a 50A with a 14-50 plug, which would wear faster than a hardwired connection anyway the pain is not home charging.
it affects you when you reach your hotel at 11pm after a long day of driving and you can't take in the full power they'd offer with either Tesla Universal or Porsche Passport although you have to pay the same price as full speed L2 charging, and when you leave the next day you'd have onboarded lesser charge.
it affects you when you reach your hotel at 11pm after a long day of driving and you can't take in the full power they'd offer with either Tesla Universal or Porsche Passport although you have to pay the same price as full speed L2 charging, and when you leave the next day you'd have onboarded lesser charge.
Junior Member
Joined: Apr 2020
Posts: 60
Likes: 30
From: Finland
MB EQA 250
Quickly visited on the local Mercedes dealer, took a short video how Mercedes Wallbox works, very easy to use 👍
Technical specifications:
Connectivity: Ethernet (LAN), Wi-Fi, (WLAN), LTE-M (4G)
Integrated 6 m long Type2 cable
Charging power up to 22 kW
Over-the-Air updates
Technical specifications:
Connectivity: Ethernet (LAN), Wi-Fi, (WLAN), LTE-M (4G)
Integrated 6 m long Type2 cable
Charging power up to 22 kW
Over-the-Air updates
Junior Member
Joined: Nov 2024
Posts: 19
Likes: 3
For the MB wallbox, do you know how to schedule start/stop time? I cant find any instructions for programming wallbox schedules. Operation manual says you can schedule charging to take advantage of off-peak rates
