[EQS450+2022]

According to the manual, it states:

Electrical malfunction warning lamp * The red electrical malfunction warning lamp is lit. There is a malfunction with the electrics. # Note the messages on the driver display.

Is this really a 12V battery issue or not?

I can't unlock the doors when it was lit, and the one time I did get into the car using the emergency key to start car, I got the following error message on the driver display:

 

[Dar]

Could be the car's electric system that draws power from the 12v battery. I would consult someone at Mercedes, like the workshop or rescue service, immediately

 

[EQS450+2022]

Could be the car's electric system that draws power from the 12v battery. I would consult someone at Mercedes, like the workshop or rescue service, immediately

It's at the dealership now for service.

They are trying to recreate that error message (doors can't unlock, red battery icon lit) by doing an extended test drive.

It's very frustrating not knowing why this is happening. I'm sure the higher ups (engineers) at MB Germany HQ should know why.

 

[EQS450+2022]

Could be the car's electric system that draws power from the 12v battery. I would consult someone at Mercedes, like the workshop or rescue service, immediately

Do you think it has anything to do with this recall:

https://insideevs.com/news/571928/me...l-ground-wire/

Thanks!

 

[Dar]

Do you think it has anything to do with this recall:

https://insideevs.com/news/571928/me...l-ground-wire/

Thanks!

You could mention it though I would expect the dealer diagnostic software to have already checked

 

[EQS450+2022]

You could mention it though I would expect the dealer diagnostic software to have already checked

Yeah they probably checked it already. They still have NO idea why the 12v battery icon was lit on 3 occasions and doors can't unlock. I'll give them a few more days to figure it out. After that I'll probably send the car back to the dealership where I bought the car from.

 

[EQS450+2022]

Yeah they probably checked it already. They still have NO idea why the 12v battery icon was lit on 3 occasions and doors can't unlock. I'll give them a few more days to figure it out. After that I'll probably send the car back to the dealership where I bought the car from.

UPDATE: All the vehicle's software were updated by the dealership. Since then, no more unlocking door problem.

 

[Odysssus]

Could be the car's electric system that draws power from the 12v battery. I would consult someone at Mercedes, like the workshop or rescue service, immediately

I had the same warning the first day I got the car last week. At the same time, several other messages said that none of the auto functions, like cruise control would work, and they didn’t. Took the car in (they gave me an E350 loaner, which after the EQS, drove like a Russian tractors, but I digress. Next day, I got the following message from my Service Advisor:
Good morning. I have some good news on the EQS. The 12v battery warning is a false indicator. The sensor that reads that battery is not reading correctly. The battery itself has full power and shows no signs of being discharged. The test for this sensor is about as black and white as it comes. We have system voltage all the way to that sensor, and the test for it is simply "is there voltage to the sensor, yes/no. If yes, replace sensor" I have one coming out of Texas, ordered yesterday, so it will likely be here Monday. The other warnings were due to a module just needing a software update. I will reach out again once I know we have the part in hand. Thank you!

All is good now, except NOW no one can figure out why now the autopark feature won’t work, and I wondered why the referenced software update wasn’t done OTA. I raised that issue with MBUSA and was told that most software updates will have to be done by the dealer. This of course is absurd and just underscores what I learned living three years in Germany: the concept of Customer Service is completely alien to the German Culture and so is given no thought by their design engineers.

 

[Dar]

Vast majority of automakers do not update all software over the air, especially firmware software. Through a partnership with Nvidia, MB is developing an entirely new software architecture expected to begin in some 2024 models which will have even more remote updates. Updating at dealers sometimes has it's own benefits though, like physical verification of the changes can be done, such as that the update is safely working using dealer equipment/expertise.

Over-the-air updates: How does each EV automaker compare?

A detailed guide explaining over-the-air software and firmware updates as well as the status of each EV manufacturers current capabilities.

electrek.co

 

[Odysssus]

Vast majority of automakers do not update all software over the air, especially firmware software. Through a partnership with Nvidia, MB is developing an entirely new software architecture expected to begin in some 2024 models which will have even more remote updates. Updating at dealers sometimes has it's own benefits though, like physical verification of the changes can be done, such as that the update is safely working using dealer equipment/expertise.

Over-the-air updates: How does each EV automaker compare?

A detailed guide explaining over-the-air software and firmware updates as well as the status of each EV manufacturers current capabilities.

electrek.co

That is still absurd: why can Tesla do it’s almost weekly updates OTA, requiring no SC interface or contact, with no “verification“ problems but Nercedes can’t.

 

[Dar]

Young risk-taking Tesla won’t have OTA all to itself forever especially if regulators understand it's value:

Why Haven't Over-The-Air Updates Taken Over The Auto Industry?

Tesla's ability to update its cars over-the-air remains unique because nobody else wants to wade into the regulatory deep end.

www.thedrive.com

 

[Odysssus]

Young risk-taking Tesla won’t have OTA all to itself forever especially if regulators understand it's value:

Why Haven't Over-The-Air Updates Taken Over The Auto Industry?

Tesla's ability to update its cars over-the-air remains unique because nobody else wants to wade into the regulatory deep end.

www.thedrive.com

Wow. I assume you live in sclerotic overly bureaucratic economically under performing Europe. Fortunately, we are not that bad here YET and OTA is acceptable. So why doesn't Mercedes do OTA here? This is a major market, after all. There is a reason that, for the last seven years, the Tesla Model S has outsold the Mercedes S Class by an order of magnitude. One would think that Mercedes might be smart enough to do a little bit of best practices benchmarking against the industry leader in an effort to deliver a comparable customer usage experience. But I forgot that the very concept of customer service and customer convenience is completely alien to the German culture, as I learned living there for three years.

And of course, as the EQS doesn't let them soak the owner with $300 oil changes it is important to find new ways to feed dollars to that legacy dealer network [Mercedes pays the dealers for performing the updates] , an expense Tesla and the other American EV companies do not have, as dealers ADD NOTHING TO THE SALES OR SERVICE PROCESS AT ANY POINT.

 

[Dar]

Flag is Ireland, Europe. I haven't looked into it much but Mercedes, in a search for the best new-gen architecture that will have huge implications, may have been in negotiations to establish cooperative agreement with other various automakers including VW BMW Tesla etc.

https://cleantechnica.com/2020/06/23/mercedes-benz-nvidia-partner-on-autonomous-driving-numerous-questions-thoughts/amp/

Daimler CEO says Mercedes Benz Open To Work With Tesla Again

According to Polish media reports, Mercedes Benz Parent company Daimler is open to another collaboration with Tesla. The news comes out after mere weeks after Tesla outsold Mercedes Benz for the first time in Q 3 in the US.

www.iamrenew.com

2 years ago new boss Ola Kallenius at Mercedes decided Mercedes should go it's own way instead, and is now in cooperation with a non-automaker, American Nvidia, for autonomous driving as well as OTA etc so the fruit of this will hopefully arrive by 2 year's time.

All future Mercedes-Benz cars will be powered by Nvidia software, silicon

"Software-defined" cars could even improve over time thanks to phonelike updates and downloads.

www.cnet.com

 

[Odysssus]

Success needs no explanation: Tesla has OTA success,

Failure has no excuse: MB fails OTA and software updates miserably.

End of discussion. Quit making excuses for them!

 

[Dar]

Mercedes is making effort for more OTA, which I hope we both can agree on is a good thing

 

[kingmkd]

Hi Guys,
I bought a Mercedes EQS 450+ production date May 2022 with 5000km on Wednesday from Netherlands and the next day on Thursday I was driving in Germany on my way back home to Macedonia so suddenly appeared this message Malfunction with battery on it and immediately disappeared.
I continued driving to the nearest charger but I had the battery around 40%.
When I stopped the car and turned it off, the message appeared again and it wouldn’t let me drive the car.
It said Malfunction and another message Towing is not permitted. It wouldn’t let me put the car in Neutral, Drive or Reverse.
I have called the Mercedes 24/7 service and Mercedes SOS but they told me that the service should take a look in it.

They have called the service in Dresden SternAuto but they didn't care a lot.

They said the car should be delivered in our service and they should take a look. I tried to explain them that I'm not from Germany and that I need to be back in my country but they didn't care at all.
They said that they will send ADAC service on the road to pick up the car and I was waiting for the driver to come to pick up the car and he arrived after 4 hours waiting. Finally when he arrived he tried to lift the car and put it on the truck but he wasn't able and said the car is too heavy and he left without picking it up.
I called again Mercedes 24/7 help in Netherlands and they said on Friday morning they will call the service again and the service should send some technicians to fix the car. In the morning I received the call from Mercedes 24/7 and they said that the ADAC will come to pick up the car and drive it to the SternAuto service in Dresden.
I explained them that the driver from ADAC told me that the car is too heavy and he can't lift it. But they send the same truck that can't lift the car on Thursday night but with different driver and he lift it without problem. So when we arrived in SternAuto Dresden the guy who was for EQ vehicles didn’t speak English so I tried to find somebody to translate.
This guy from SternAuto Dresden said okay we will take a look at the problem but I can't promise you when, we have a lot of work etc..
I tried to explain him that I'm stuck here in Dresden and I need to go back home in Macedonia but he didn't care at all. He just said you will receive a call when the car will be ready. He gave me just two bus tickets and he said you can't wait here just go somewhere.
That was on Friday.
Yesterday on Saturday I received the call from Mercedes 24/7 Netherlands and they said that SternAuto Dresden service is not working on Saturday but on their website says that they are working and the guy said himself that the service is working on Saturday. So I'm left here without the car and not knowing what is the problem and when the car will be repaired.
Does somebody has the same problem with this message Malfunction?
Can somebody give me some advice?
Thanks a lot.
Below are the pictures from the message and from Mercedes Me application

 

[Jeggo]

Sorry to hear about your trouble. In most EVs the 12V battery is a weak part and needs to be replaced quite often. In some cases, the car does not detect the need for a recharge of the 12V battery, which is done via the DC/DC converter from the drive train battery. So a possible and easy solution might be an external recharge of the 12V battery or if the battery is really broken, a replacement. The ADAC and other towing services are not really prepared to pick up an EV. Either they come with the wrong type of car, that is not able to lift the car or have really no knowledge at all or are even not allowed to pick up the car, because they do not have an EV licence for this.
What I heard from other EQA drivers, with a similar fault, that either a disconnect of the 12V battery helps or to exit, lock the car and wait for a some minutes. You are totally right, that the service of many Mercedes workshops is quite disappointing. So far I am not disappointed from my dealer and workshop. This situation is probably not getting better outside of Germany.

 

[kingmkd]

Thanks for the reply. I'm not able to disconnect the 12V battery because it's not reachable.
From Mercedes 24/7 help they told me the same to empty the seats to not leave anything on them and to go our from the car and to be at least 50m away from the car for few minutes in order the car to make restart but it won't help.
I have waited for 15 minutes away from the car but nothing happened. The message still was showing.
I hope that tomorrow they will probably solve the problem so I can go finally home without problem.

Also I have one problem with Navigation that Route Planner is not working. It won't shows where I should stop for charging. It just shows the road.