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I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
Regards
Definitely put a charge on it. If nothing else it will help troubleshoot your situation.
Your hybrid battery may still be in warranty - I think it's 80,000 mi, 8 years, but verify.
I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
As another forum member mentioned, that looks like your high voltage battery/hybrid battery having issues, the symbol doesn't look like the starter 12V battery for example, as that symbol is usually just one battery cell. Towing not permitted is because the vehicle is not letting you shift to neutral so if you tow it, it will likely damage the drivetrain. Interesting that unplugging the 12V battery resets it I guess the reason it came back is because the computer did a test or two and determined there is still an issue with the high voltage/hybrid battery so the message came back.
Definitely put a charge on it. If nothing else it will help troubleshoot your situation.
Your hybrid battery may still be in warranty - I think it's 80,000 mi, 8 years, but verify.
Thanks for answering :-) I tested a brand new 12V battery yesterday because we had one at my job, but as expected it didnt help.
And thanks for the information about warranty, i found something about 6 years on the hybrid batteries:. The car is registered in 2017 and sold as 2017 model.
As another forum member mentioned, that looks like your high voltage battery/hybrid battery having issues, the symbol doesn't look like the starter 12V battery for example, as that symbol is usually just one battery cell. Towing not permitted is because the vehicle is not letting you shift to neutral so if you tow it, it will likely damage the drivetrain. Interesting that unplugging the 12V battery resets it I guess the reason it came back is because the computer did a test or two and determined there is still an issue with the high voltage/hybrid battery so the message came back.
Thanks for answering :-) I have spent some time "Googling" this and reading in forums, but i havent got any wiser on this. I guess i have no other choice than to take it to the dealer :-)
Thanks for answering :-) I have spent some time "Googling" this and reading in forums, but i havent got any wiser on this. I guess i have no other choice than to take it to the dealer :-)
I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
Regards
Hi, I'm having the same issue. What was the issue with the car?
Thanks for answering :-) I have spent some time "Googling" this and reading in forums, but i havent got any wiser on this. I guess i have no other choice than to take it to the dealer :-)
Hi,
I've a 350e (2015) with the same issue. Battery malfunction warning and not working hybride system. Charging by a cable is not working either.
I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
Regards
I had exactly the same thing on my 2017 GLC350e and its already in service for 2 months, there was an issue with battery heating device and then some other things kept breaking down.
the repairs cost is mounting up and is already 15 k $. I am shocked and looking for a lawer.
Towing not permitted of course means the vehicle must be flat-bedded to the dealer. Even in neutral with the parking brake released, AWDs shouldn't be towed in the manner illustrated by the dash icon.
I have a 2016 GLC 350e Hybrid. Recently i have got some problems with the car. It gives a red battery sign and says "Malfunction". This have been here for some weeks, and there have been no faults at all, just this message popping up when unlocking car.
But yesterday it came a new message also "Towing of vehicle not permitted", and the car would not start at all. I took off/on the poles on the 12V battery and after it worked. Same happened today, and it didnt help taking on/off the battery. So now the car dont work at all.
My question is, have anyone ecperienced this before, and did they find a reason?
I am planning to change the 12V battery even though its tested OK, and the auxilary battery, before i deliver it to the MB workshop (they have months waiting time and the car is out of warranty).
Regards
I had the exact same issue this weekend.
it was very rainy and blowing a lot. And it was very wet around the charging point but I couldn’t see any moist in the contact point for charging. I was told to inspect this as first step.
the day after it was dry outside and I was able to start the car and drive it for 10 min and same fault messages came back.
so I guess I’m heading for the MB dealer again. About a year ago I changed the PTC heater/battery heater and the error messages were about the same as this. After changing the PTC a malfunction battery icon appeared from time to time with no defects or change on the car. And I could find no pattern in when it appeared. Now it seems like it’s in an emergency mode when it starts and runs.
since the PTC is already changed I wondered if anyone had an update for this thread. What was the solution?
I guess this is a high voltage issue and few unauthorized dealers can handle this is what I’m told. I’d did cost me 7000usd to change the PTC last year at the Norwegian Mercedes dealer. So any tips away from them is helpful.
09-06-2023, 04:17 AM
