48V battery malfunction
Thread Starter
Junior Member
Joined: Mar 2022
Posts: 47
Likes: 11
GLE 450
48V battery malfunction
Twice now on my 2021 GLE450 the 48V battery has died or malfunctioned.
First time this happened was several months ago when i have less than 500 miles on it.
Dealer was told by Mercedes to clear the error codes, and return to customer. No known fix.
Tried to have Mercedes corporate take the car back as it seemed unsafe, but the request was denied couple months later.
Well, last night it happened again, and it is at the dealership as we speak.
Took pictures of the errors and warnings that popped up.
Has anyone had any similar problems where a solution was found?
A class action lawsuit I see was filed in New Jersey for this exact problem.
First time this happened was several months ago when i have less than 500 miles on it.
Dealer was told by Mercedes to clear the error codes, and return to customer. No known fix.
Tried to have Mercedes corporate take the car back as it seemed unsafe, but the request was denied couple months later.
Well, last night it happened again, and it is at the dealership as we speak.
Took pictures of the errors and warnings that popped up.
Has anyone had any similar problems where a solution was found?
A class action lawsuit I see was filed in New Jersey for this exact problem.
MBWorld God!
Joined: Dec 2019
Posts: 32,217
Likes: 6,275
Unfortunately, it is very common:
https://mbworld.org/forums/cls-coupe...ssage-cel.html
https://mbworld.org/forums/cls-coupe...y-problem.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...t-battery.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...s-my-turn.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...te-issues.html
https://mbworld.org/forums/general-m...heck-here.html
https://mbworld.org/forums/w213-amg/...echarging.html
https://mbworld.org/forums/cls-coupe...ssage-cel.html
https://mbworld.org/forums/cls-coupe...y-problem.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...t-battery.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...s-my-turn.html
https://mbworld.org/forums/gls-class...lfunction.html
https://mbworld.org/forums/gle-class...te-issues.html
https://mbworld.org/forums/general-m...heck-here.html
https://mbworld.org/forums/w213-amg/...echarging.html
MBWorld God!
Joined: Dec 2019
Posts: 32,217
Likes: 6,275
In summary, there were three types of fixes for two batches:
1. Painted grounds was the reason for the fault for the first batch
2. Replacement of the 48V battery (there was a new part number) was another fix for the first batch (or both fixes needs to be implemented)
3. Software update to the battery control module, this only applies to second batch of batteries when a replacement is not applicable
1. Painted grounds was the reason for the fault for the first batch
2. Replacement of the 48V battery (there was a new part number) was another fix for the first batch (or both fixes needs to be implemented)
3. Software update to the battery control module, this only applies to second batch of batteries when a replacement is not applicable
Out Of Control!!
Joined: Sep 2018
Posts: 14,663
Likes: 4,567
From: unbegrenzt
2017 GLE350 4MATIC
Senior Member
Joined: May 2021
Posts: 338
Likes: 101
From: Shaker Heights, Ohio
2021 E450 All Terrain Wagon
Twice now on my 2021 GLE450 the 48V battery has died or malfunctioned.
First time this happened was several months ago when i have less than 500 miles on it.
Dealer was told by Mercedes to clear the error codes, and return to customer. No known fix.
Tried to have Mercedes corporate take the car back as it seemed unsafe, but the request was denied couple months later.
Well, last night it happened again, and it is at the dealership as we speak.
Took pictures of the errors and warnings that popped up.
Has anyone had any similar problems where a solution was found?
A class action lawsuit I see was filed in New Jersey for this exact problem.
First time this happened was several months ago when i have less than 500 miles on it.
Dealer was told by Mercedes to clear the error codes, and return to customer. No known fix.
Tried to have Mercedes corporate take the car back as it seemed unsafe, but the request was denied couple months later.
Well, last night it happened again, and it is at the dealership as we speak.
Took pictures of the errors and warnings that popped up.
Has anyone had any similar problems where a solution was found?
A class action lawsuit I see was filed in New Jersey for this exact problem.
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MBWorld Fanatic!
Joined: Oct 2009
Posts: 6,987
Likes: 2,184
From: Colorado
'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
In summary, there were three types of fixes for two batches:
1. Painted grounds was the reason for the fault for the first batch
2. Replacement of the 48V battery (there was a new part number) was another fix for the first batch (or both fixes needs to be implemented)
3. Software update to the battery control module, this only applies to second batch of batteries when a replacement is not applicable
1. Painted grounds was the reason for the fault for the first batch
2. Replacement of the 48V battery (there was a new part number) was another fix for the first batch (or both fixes needs to be implemented)
3. Software update to the battery control module, this only applies to second batch of batteries when a replacement is not applicable
Your #1, painted grounds, weren't a battery problem, just painted grounds that affected several functions, but batteries not at fault. Chassis supplier changed methods, Dealers fixed those cars (chassis numbers known).
#2 correct, but the reason was that Tesla bought M-B / BMW's battery co-developer / battery supplier, leaving M -B to redevelop new supply lines. Yes, replacement battery.
Tesla also stole the BMW/M-B technology, which must be embarrassing for Elan to admit that they weren't the Pack Leaders in battery tech. Five years development time lost by M-B.
#3 - This was a tech bulletin about the car charging algorithm, which can be applied. I don't think the Battery Control Module (BCM), which is internal to the battery, is up-datable in the car.
Could you find out if, in fact, the BCM is up-datable, or were they just talking about the car's software?
I think it's the latter, but if an OTA BCM is possible, we're into new tech.
Hope you can find out the BCM question.
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MBWorld God!
Joined: Dec 2019
Posts: 32,217
Likes: 6,275
Some comments here.
Your #1, painted grounds, weren't a battery problem, just painted grounds that affected several functions, but batteries not at fault. Chassis supplier changed methods, Dealers fixed those cars (chassis numbers known).
#2 correct, but the reason was that Tesla bought M-B / BMW's battery co-developer / battery supplier, leaving M -B to redevelop new supply lines. Yes, replacement battery.
Tesla also stole the BMW/M-B technology, which must be embarrassing for Elan to admit that they weren't the Pack Leaders in battery tech. Five years development time lost by M-B.
#3 - This was a tech bulletin about the car charging algorithm, which can be applied. I don't think the Battery Control Module (BCM), which is internal to the battery, is up-datable in the car.
Could you find out if, in fact, the BCM is up-datable, or were they just talking about the car's software?
I think it's the latter, but if an OTA BCM is possible, we're into new tech.
Hope you can find out the BCM question.
Your #1, painted grounds, weren't a battery problem, just painted grounds that affected several functions, but batteries not at fault. Chassis supplier changed methods, Dealers fixed those cars (chassis numbers known).
#2 correct, but the reason was that Tesla bought M-B / BMW's battery co-developer / battery supplier, leaving M -B to redevelop new supply lines. Yes, replacement battery.
Tesla also stole the BMW/M-B technology, which must be embarrassing for Elan to admit that they weren't the Pack Leaders in battery tech. Five years development time lost by M-B.
#3 - This was a tech bulletin about the car charging algorithm, which can be applied. I don't think the Battery Control Module (BCM), which is internal to the battery, is up-datable in the car.
Could you find out if, in fact, the BCM is up-datable, or were they just talking about the car's software?
I think it's the latter, but if an OTA BCM is possible, we're into new tech.
Hope you can find out the BCM question.
For #1 I understand, I meant the fix was to remove the paint for the first batch of battery problems. Sorry for the confusion.
For #2 Interesting, I knew about the supplier being acquired and then them terminating the previous contract with MB prior to the acquisition but I didn't know the replacement battery with a new part number was in respond to a new supplier, thanks for this information.
For #3 Thanks for bringing it up, will need to look into this further, will need your help too.
MBWorld Fanatic!
Joined: Oct 2009
Posts: 6,987
Likes: 2,184
From: Colorado
'21 AMG53 wDPP & ARC, 19 GLC300 - Former-03 C240,2 ML BlueTecs,20 GLE450 E-ABC,15 Cayenne D,17 Macan
Thanks for your comments and expanding on it I do appreciate it.
For #1 I understand, I meant the fix was to remove the paint for the first batch of battery problems. Sorry for the confusion.
For #2 Interesting, I knew about the supplier being acquired and then them terminating the previous contract with MB prior to the acquisition but I didn't know the replacement battery with a new part number was in respond to a new supplier, thanks for this information.
For #3 Thanks for bringing it up, will need to look into this further, will need your help too.
For #1 I understand, I meant the fix was to remove the paint for the first batch of battery problems. Sorry for the confusion.
For #2 Interesting, I knew about the supplier being acquired and then them terminating the previous contract with MB prior to the acquisition but I didn't know the replacement battery with a new part number was in respond to a new supplier, thanks for this information.
For #3 Thanks for bringing it up, will need to look into this further, will need your help too.
Senior Member
Joined: May 2021
Posts: 338
Likes: 101
From: Shaker Heights, Ohio
2021 E450 All Terrain Wagon
Some comments here.
Your #1, painted grounds, weren't a battery problem, just painted grounds that affected several functions, but batteries not at fault. Chassis supplier changed methods, Dealers fixed those cars (chassis numbers known).
#2 correct, but the reason was that Tesla bought M-B / BMW's battery co-developer / battery supplier, leaving M -B to redevelop new supply lines. Yes, replacement battery.
Tesla also stole the BMW/M-B technology, which must be embarrassing for Elan to admit that they weren't the Pack Leaders in battery tech. Five years development time lost by M-B.
#3 - This was a tech bulletin about the car charging algorithm, which can be applied. I don't think the Battery Control Module (BCM), which is internal to the battery, is up-datable in the car.
Could you find out if, in fact, the BCM is up-datable, or were they just talking about the car's software?
I think it's the latter, but if an OTA BCM is possible, we're into new tech.
Hope you can find out the BCM question.
Your #1, painted grounds, weren't a battery problem, just painted grounds that affected several functions, but batteries not at fault. Chassis supplier changed methods, Dealers fixed those cars (chassis numbers known).
#2 correct, but the reason was that Tesla bought M-B / BMW's battery co-developer / battery supplier, leaving M -B to redevelop new supply lines. Yes, replacement battery.
Tesla also stole the BMW/M-B technology, which must be embarrassing for Elan to admit that they weren't the Pack Leaders in battery tech. Five years development time lost by M-B.
#3 - This was a tech bulletin about the car charging algorithm, which can be applied. I don't think the Battery Control Module (BCM), which is internal to the battery, is up-datable in the car.
Could you find out if, in fact, the BCM is up-datable, or were they just talking about the car's software?
I think it's the latter, but if an OTA BCM is possible, we're into new tech.
Hope you can find out the BCM question.
