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We have a GLC 350E with about 13000 km (less than 8200 mile) on it, and we had numerous problems. First, it started we could not put gear into reverse but it would usually function again if we restarted the car. Hybrid malfunction light also came on after a couple months. It was in service for an extended period (three and half weeks) to replace the transmission conductor plate and also AC compressor. The car also has excessive vibration when the engine turns on (when battery is low so engine kicks on by itself) during low rpm. The vibration was bad enough that we could barely hold the brake to make a proper stop. However, this issue was never repaired properly. After a couple of repairs, car had a hybrid battery coolant leak so we had to take the car to service again which it would take another 3 to 4 weeks. Not to mention we had clean up the coolant mess on our garage floor. Basically for the past 6 months, the car spends at least 1.5 month at dealer just for repair. Is it normal for a Mercedes Hybrid to function like this? We are just very frustrated and wanted to ask for your kind input and suggestion on this.
Unfortunately it sounds like you got a lemon. We have one with almost 9K miles without a single problem or any of the symptoms you experience. Wishing you luck on the dealer fixing your car!
More times than not, the dealer service department is the lemon, not the car. If you have another Mercedes dealership in your area, I would take it to them. You don't have to go to the dealer that sold you the car, and at this point, I wouldn't want that dealership touching my car again.
We had to drop off to a different dealership which is closer because it was an active coolant leak. At this point, we lost the confidence of the vehicle. Even if it's repaired now, we wonder when it would be out of service again. Each break down happened right before a planned vacations and we had to cancelled our trips. It wasn't my first Merc, but it is for my wife.
Last edited by familysedan; Oct 25, 2019 at 09:56 AM.
I have a 2019 Mercedes GLC 350e with 9,600 miles. Firstly, I experienced an issue when I needed to reverse. I shift the vehicle in reverse and the vehicle did a jerk and then turned off. I then noticed that all of the various warning lights were on. Fortunately, I was able to start the vehicle and but then I noticed that the check engine light was on. This was during the weekend and the dealership that services my vehicle was closed. I was able to drive the vehicle home but the check engine light remained on. I took the vehicle on a short drive that Sunday but noted that the check engine light was still on. That Monday, when I started the vehicle the check engine light was off and the vehicle seemed to be running fine. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point.
Secondly, on another occasion a few weeks after the first problem, I was driving and probably stuck in traffic for about 20 minutes. Suddenly a message popped up saying “Coolant Too Hot Stop Vehicle Turn Engine Off”. I pulled at the side of the road, turned off the vehicle and then waited for about 30 minutes before trying to get safely home. When I restarted the vehicle the warning message was off but the check engine light was on. I was able to drive for a few minutes before the warning message came on again. I again pulled safely on the side of the road and waited another 30 minutes before attempting to get home. I got home safely on the second try without the light coming on but the check engine light remained on. After a few hours, I got a friend to check the coolant level in the vehicle and the level was where it needed to be. I took the vehicle on a drive the next day, the check engine light was on but warning message never reappeared.
Two days later when I needed to drive the vehicle, I the noticed that the check engine light was off and the warning message was not there. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point. I was advised to monitor the situation and as soon as I see the message again to contact them to arrange to bring the vehicle to them. The vehicle was serviced by them on Tuesday, February 2, 2021 and it was noted that nothing seemed to be out of the ordinary.
Thirdly, about a week ago on a Friday evening, as soon as I unlocked the vehicle and sat in it, I noticed a red warning message that showed a picture of a battery along with the word “Malfunction”. I was still able to start vehicle but also noted that check engine light was on. I needed to pick up my son, so I still decided to drive the vehicle. I then noticed that the air condition was not cooling even at the coolest setting. I went about 5 miles away and all during the drive the light along with the warning message were on. Also the air condition was still only blowing hot air. I turned off the vehicle for a short time when I reached my destination. When the vehicle was restarted, the warning message was gone but the check engine light was still on. The warning message did return during my drive but throughout all of this the A/C was not cooling.
I took the vehicle to the dealership and they’re saying that my AC condenser needs to be replaced but can’t specifically say that it will solve the problem with the battery malfunction warning.
This is a practically new vehicle. Anyone experiencing the same issues?
You must be very frustrated, and I understand how painful it is.
Our GLC 350e had transmission problem when it was only few days old. Sometimes we could not put it into reverse, the screen said "reverse not possible" and also check engine light came on. It was transmission conductor plate.
We did not experience any coolant too hot problem, but I read it online (Quoted from Mercedes Facebook, couldn't post link here: Finally with the help form engineers from Germany, it took 3 months for them to identify and fix the problems : manufacturer defective wires, burned wire harness, wrong thermostat installation...So far, the car still has burned plastic smell after a drive. However, for Mercedes, everything was fixed since all the tests showed no problem.)
I also had the same warning message on high voltage battery which usually appeared when the weather was around 30~40F. It was the AC compressor.
We had other issues with engine mount causing excessive vibration and coolant hose leak.
Last edited by familysedan; Mar 14, 2021 at 08:32 PM.
I have a 2019 Mercedes GLC 350e with 9,600 miles. Firstly, I experienced an issue when I needed to reverse. I shift the vehicle in reverse and the vehicle did a jerk and then turned off. I then noticed that all of the various warning lights were on. Fortunately, I was able to start the vehicle and but then I noticed that the check engine light was on. This was during the weekend and the dealership that services my vehicle was closed. I was able to drive the vehicle home but the check engine light remained on. I took the vehicle on a short drive that Sunday but noted that the check engine light was still on. That Monday, when I started the vehicle the check engine light was off and the vehicle seemed to be running fine. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point.
Secondly, on another occasion a few weeks after the first problem, I was driving and probably stuck in traffic for about 20 minutes. Suddenly a message popped up saying “Coolant Too Hot Stop Vehicle Turn Engine Off”. I pulled at the side of the road, turned off the vehicle and then waited for about 30 minutes before trying to get safely home. When I restarted the vehicle the warning message was off but the check engine light was on. I was able to drive for a few minutes before the warning message came on again. I again pulled safely on the side of the road and waited another 30 minutes before attempting to get home. I got home safely on the second try without the light coming on but the check engine light remained on. After a few hours, I got a friend to check the coolant level in the vehicle and the level was where it needed to be. I took the vehicle on a drive the next day, the check engine light was on but warning message never reappeared.
Two days later when I needed to drive the vehicle, I the noticed that the check engine light was off and the warning message was not there. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point. I was advised to monitor the situation and as soon as I see the message again to contact them to arrange to bring the vehicle to them. The vehicle was serviced by them on Tuesday, February 2, 2021 and it was noted that nothing seemed to be out of the ordinary.
Thirdly, about a week ago on a Friday evening, as soon as I unlocked the vehicle and sat in it, I noticed a red warning message that showed a picture of a battery along with the word “Malfunction”. I was still able to start vehicle but also noted that check engine light was on. I needed to pick up my son, so I still decided to drive the vehicle. I then noticed that the air condition was not cooling even at the coolest setting. I went about 5 miles away and all during the drive the light along with the warning message were on. Also the air condition was still only blowing hot air. I turned off the vehicle for a short time when I reached my destination. When the vehicle was restarted, the warning message was gone but the check engine light was still on. The warning message did return during my drive but throughout all of this the A/C was not cooling.
I took the vehicle to the dealership and they’re saying that my AC condenser needs to be replaced but can’t specifically say that it will solve the problem with the battery malfunction warning.
This is a practically new vehicle. Anyone experiencing the same issues?
I had the same thing just happen and wanted to see what (if anything) fixed it?
I have been having constant problem with my vehicle MB GLC350e. This morning I had a "Malfunction" light on my car and I am unable to turn on the car. I will have to get this towed again. This is the 3rd incident I have had. I most likely will sell this car back to the dealer. Very disappointed
in the quality.
You aren’t alone , word for word same issues I’ve had on mine . I never feel safe in this problematic car . Sadly I live how it drives ./// when it’s not in the Shop .
I have a 2019 Mercedes GLC 350e with 9,600 miles. Firstly, I experienced an issue when I needed to reverse. I shift the vehicle in reverse and the vehicle did a jerk and then turned off. I then noticed that all of the various warning lights were on. Fortunately, I was able to start the vehicle and but then I noticed that the check engine light was on. This was during the weekend and the dealership that services my vehicle was closed. I was able to drive the vehicle home but the check engine light remained on. I took the vehicle on a short drive that Sunday but noted that the check engine light was still on. That Monday, when I started the vehicle the check engine light was off and the vehicle seemed to be running fine. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point.
Secondly, on another occasion a few weeks after the first problem, I was driving and probably stuck in traffic for about 20 minutes. Suddenly a message popped up saying “Coolant Too Hot Stop Vehicle Turn Engine Off”. I pulled at the side of the road, turned off the vehicle and then waited for about 30 minutes before trying to get safely home. When I restarted the vehicle the warning message was off but the check engine light was on. I was able to drive for a few minutes before the warning message came on again. I again pulled safely on the side of the road and waited another 30 minutes before attempting to get home. I got home safely on the second try without the light coming on but the check engine light remained on. After a few hours, I got a friend to check the coolant level in the vehicle and the level was where it needed to be. I took the vehicle on a drive the next day, the check engine light was on but warning message never reappeared.
Two days later when I needed to drive the vehicle, I the noticed that the check engine light was off and the warning message was not there. I still contacted the dealership and reported the incident. I was advised that if they were to do the computer diagnostic, it will only show the codes that related to check engine light being on and then I would have to decide if I wanted to do the relevant repair or not especially seeing that the vehicle was running fine at that point and that the check engine light was off at that point. I was advised to monitor the situation and as soon as I see the message again to contact them to arrange to bring the vehicle to them. The vehicle was serviced by them on Tuesday, February 2, 2021 and it was noted that nothing seemed to be out of the ordinary.
Thirdly, about a week ago on a Friday evening, as soon as I unlocked the vehicle and sat in it, I noticed a red warning message that showed a picture of a battery along with the word “Malfunction”. I was still able to start vehicle but also noted that check engine light was on. I needed to pick up my son, so I still decided to drive the vehicle. I then noticed that the air condition was not cooling even at the coolest setting. I went about 5 miles away and all during the drive the light along with the warning message were on. Also the air condition was still only blowing hot air. I turned off the vehicle for a short time when I reached my destination. When the vehicle was restarted, the warning message was gone but the check engine light was still on. The warning message did return during my drive but throughout all of this the A/C was not cooling.
I took the vehicle to the dealership and they’re saying that my AC condenser needs to be replaced but can’t specifically say that it will solve the problem with the battery malfunction warning.
This is a practically new vehicle. Anyone experiencing the same issues?
Hey there, did you ever figure out what this was? I am having the same exact battery warning and AC is not working. Thanks in advance!
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