What have been common problems in the GLC300 series?
#51
Super Member
#52
Junior Member
I even lowered to 28 a few times - not any different.
#53
Spring release noise
I have a 2018 GLC 300. Whenever I start up the vehicle and accelerate initially, I hear a noticeable spring release noise from the driver's side front area. The sound emits at about 25 mph and then I don't hear it again for the entire ride. I took it to the dealer and reproduced the noise with the shop foreman in the passenger seat. He also reproduced the noise. After being at the dealer for the day, they said that the noise comes from a normal cycle within the transmission. I have never heard anything like this with other vehicles. Has anyone else experienced this noise or know what causes this? Thank you
#54
This is your ABS (Anti-Lock Brakes) system energizing. Nothing to worry about. All GLC's make this noise when they pass approximately 28mph. Shame on the dealer for not knowing this.
My GLC makes this noise. Every loaner I've borrowed makes this noise.
Normal
My GLC makes this noise. Every loaner I've borrowed makes this noise.
Normal
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VAMBFAN22 (09-05-2018)
#56
MBWorld Fanatic!
[QUOTE=Jetfuture;7547289......All GLC's make this noise when they pass approximately 28mph.
Normal[/QUOTE]
Really?
Mine doesn't (at least not that is noticeable even when listening for it!)
Normal[/QUOTE]
Really?
Mine doesn't (at least not that is noticeable even when listening for it!)
#57
Worst Vehicle I have ever owned
Bought our new GLC six months ago. Seems we got ourselves a lemon.
After six months of worry-free luxury driving, the engine light came on. Quickly followed by a warning that the traction control system and tire pressure monitoring system warnings.
Then the car would not go more than 5km/h. Shortly thereafter, the car then wouldn't start.
Mercedes towed it to the dealer where they determined that the gas pedal ... yes ... the gas pedal .. was faulty. They replaced the pedal with a 2018 model off their lot (since it would take over a week to get one from Germany) and the car drove well.
Three weeks later, the same exact thing happened. This time we were two hours away from home.
They towed the car to the nearest dealer and we had to rent a car to get home.
I sincerely hope this is not a problem that anyone else has to endure.
Fyi... they also replaced all the brake pads at the first service visit.
After six months of worry-free luxury driving, the engine light came on. Quickly followed by a warning that the traction control system and tire pressure monitoring system warnings.
Then the car would not go more than 5km/h. Shortly thereafter, the car then wouldn't start.
Mercedes towed it to the dealer where they determined that the gas pedal ... yes ... the gas pedal .. was faulty. They replaced the pedal with a 2018 model off their lot (since it would take over a week to get one from Germany) and the car drove well.
Three weeks later, the same exact thing happened. This time we were two hours away from home.
They towed the car to the nearest dealer and we had to rent a car to get home.
I sincerely hope this is not a problem that anyone else has to endure.
Fyi... they also replaced all the brake pads at the first service visit.
#58
MBWorld Fanatic!
Originally Posted by Chris7445
I just had this happen to me yesterday, only I wasn't driving. I started the car with the mbrace app, went to get into car about 12 min later, and it wouldn't start. I had engine light on, then the center screen said srs inoperable, sos inoperable, abs inoperable, etc... I call to get MB roadside and they were dispatching me out a tow. I waited 10 min and it started. I want out of this car so bad, its a 2017, I went to Europe to take delivery and it has been a disappointment ever since. I have had brake issue, 3 times at dealer with 2 fixes, still not fixed. Half of electronics failed last year and they said it was the headlight switch, had some sort of pressure relief valve go bad, rain sensing wipers are going off with no rain and at erratic speed. Also, my GLC has had 9 count them 9 recall notices and all of the still not fixed as parts are not available for some. I almost forgot I too put new tires on at 20K, dealer told me to switch brands and not put on the Pirelli's so we put on Goodyears they had in stock. STAY AWAY FROM THIS MODEL!!!!
#59
I just had this happen to me yesterday, only I wasn't driving. I started the car with the mbrace app, went to get into car about 12 min later, and it wouldn't start. I had engine light on, then the center screen said srs inoperable, sos inoperable, abs inoperable, etc... I call to get MB roadside and they were dispatching me out a tow. I waited 10 min and it started. I want out of this car so bad, its a 2017, I went to Europe to take delivery and it has been a disappointment ever since. I have had brake issue, 3 times at dealer with 2 fixes, still not fixed. Half of electronics failed last year and they said it was the headlight switch, had some sort of pressure relief valve go bad, rain sensing wipers are going off with no rain and at erratic speed. Also, my GLC has had 9 count them 9 recall notices and all of the still not fixed as parts are not available for some. I almost forgot I too put new tires on at 20K, dealer told me to switch brands and not put on the Pirelli's so we put on Goodyears they had in stock. STAY AWAY FROM THIS MODEL!!!!
My cars from Vance AL (4 total) have been quite well made. I'm sticking with GLEs from now on, I think.
#60
2018 GLC
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
#61
Junior Member
Our 2018 GLC is currently 11 months old with 9500 miles. Absolutely no issues or problems what so ever. I have the Pirelli run flat tires on the standard 18 inch rims and based on current tire wear they will last more than 30,000 miles. No brake squeal, tire slipping, etc. ride is comfortable also. Remember, you bought a SUV not a luxury sedan. I did purchase the factory “tool kit” with jack, lug wrench, etc from the dealer for $70 just In case I need to remove a tire. Mileage has been 24.5 MPG overall with 29 MPG on the highway. So, totally trouble free. We love the car and it is loving us back!
#62
After 3 years My GLC300 with all the options had ZERO issue except a faulty sunroof shade alignment on delivery.
Was in for for 3 services ( 2 A , 1B ) and winter tires on/off.
My 3y lease is now over and taking possession of a 2019 GLC 43AMG in two days. Have been waiting 4 months for this one!
Hope this one will be as reliable as my returnee.
Was in for for 3 services ( 2 A , 1B ) and winter tires on/off.
My 3y lease is now over and taking possession of a 2019 GLC 43AMG in two days. Have been waiting 4 months for this one!
Hope this one will be as reliable as my returnee.
#63
2018 GLC
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
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charming (05-28-2019)
#64
Yes, I'm going to call it normal as each of 4 cars all did it as the car accelerated past about 28 mph. I have a 2016. Perhaps they modified later editions and the noise is not present. I would compare a dealer loaner next time if you are concerned your car does not make a noise it should.
#65
I just had this happen to me yesterday, only I wasn't driving. I started the car with the mbrace app, went to get into car about 12 min later, and it wouldn't start. I had engine light on, then the center screen said srs inoperable, sos inoperable, abs inoperable, etc... I call to get MB roadside and they were dispatching me out a tow. I waited 10 min and it started. I want out of this car so bad, its a 2017, I went to Europe to take delivery and it has been a disappointment ever since. I have had brake issue, 3 times at dealer with 2 fixes, still not fixed. Half of electronics failed last year and they said it was the headlight switch, had some sort of pressure relief valve go bad, rain sensing wipers are going off with no rain and at erratic speed. Also, my GLC has had 9 count them 9 recall notices and all of the still not fixed as parts are not available for some. I almost forgot I too put new tires on at 20K, dealer told me to switch brands and not put on the Pirelli's so we put on Goodyears they had in stock. STAY AWAY FROM THIS MODEL!!!!
From a design standpoint, they obviously have had 4 or 5 issues with the GLC, and I can assure you that Mercedes is well aware of them (brake squeal, poor tire performance from Pirelli extended-mobility tires, shifting issue while coming out of a turn which was corrected with a software update, recalls, etc.). The Tesla Model 3 came out a year or so after these GLC's and have had MANY more issues than the GLC, and it rolled out as a $60,000 car. But nearly every owner enjoys the car. We just know that we are going to have 2-3 issues a year (like most high-technology cars).
#68
2018 GLC300 problems
1. I get a whistling noise during the first mile or so on cold starts. Dealer has brushed me off.
2. I get a loud metal cracking sound from the rear of the car on cold starts. Dealer has brushed me off.
3. The windshield is covered in little star shaped dots all over which can't be wiped clean outside or inside. Yet to discuss with dealer.
4. Bad wind noise at highway speeds. Brushed off by dealer.
5. Harsh ride, especially over manholes, probably due to run flat tires.
2. I get a loud metal cracking sound from the rear of the car on cold starts. Dealer has brushed me off.
3. The windshield is covered in little star shaped dots all over which can't be wiped clean outside or inside. Yet to discuss with dealer.
4. Bad wind noise at highway speeds. Brushed off by dealer.
5. Harsh ride, especially over manholes, probably due to run flat tires.
Last edited by charming; 03-22-2019 at 02:43 PM.
#69
Senior Member
1. I get a whistling noise during the first mile or so on cold starts. Dealer has brushed me off.
2. I get a loud metal cracking sound from the rear of the car on cold starts. Dealer has brushed me off.
3. The windshield is covered in little star shaped dots all over which can't be wiped clean outside or inside. Yet to discuss with dealer.
4. Bad wind noise at highway speeds. Brushed off by dealer.
5. Harsh ride, especially over manholes, probably due to run flat tires.
2. I get a loud metal cracking sound from the rear of the car on cold starts. Dealer has brushed me off.
3. The windshield is covered in little star shaped dots all over which can't be wiped clean outside or inside. Yet to discuss with dealer.
4. Bad wind noise at highway speeds. Brushed off by dealer.
5. Harsh ride, especially over manholes, probably due to run flat tires.
2......muffler-exhaust saying good morning it’s chilly to wake up.😂👋😂
3......all my cars have that on windshields from sand and other stuff on frwy can’t do anything glass shop can probably help if not deep if you call and ask
4..... check if you have acoustic glass should be stamped on bottom?
5..... change to regular tires (Michelin Defender LTX for me) and get AAA big difference
6..... great car have mine 2 years ain’t perfect but neither is life. Enjoy it.
Last edited by Sigp232; 03-22-2019 at 05:07 PM.
#70
2018 GLC
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
- Brake squeal at low temps - resolved with new brake pads.
- Chittering sound from passenger side vent that sounded like a dying motor bearing - resolved with new blower motor
- Tires replaced at 30k - service tech said 'it's a heavy vehicle that you can drive hard, it's to be expected' - no real issue with that.
- Passenger side rear window switch broke off - replaced no issue at dealer
- Steering juttering/vibrating after hitting a minor bump - resolved with a software fix found on this board, thank you MBWorld posters!
More issues than I thought I would have from a Benz in the first 30k miles... but... it's a complicated machine and stuff happens. The software bug in the steering is concerning but I'm glad it was resolved.
gh
#71
I have a fully loaded 2018 glc with air suspension with 16k miles on it. Have had no issues except the replacement of one faulty rear sensor early on. No squeaks, smooth ride even with run flats. Extremely satisfied. All my passengers remark about what a beautiful car.
#72
Junior Member
Anyone experiencing issues with their front sensors? Mine goes off randomly when I driver at low speeds when no one is in front of me. Sometimes the right side goes off and the lights in the cluster turn all the way to red, and sometimes the left side does the exact same thing. And also the front collision warning also goes off randomly when I'm driving at highway speed with no one near me. Potential issue or is it normal?
#73
Not a good experience
I think ive suffered through all the problems listed here... owned for 3 years today. brakes were replaced 3 or 4 times, tires were completely bald at 27k miles. Battery replaced at 30k (2.75 years). Now my engine light is on again after I’ve needed to push the start button twice to start vehicle as well as having one weird incident in which the car accelerated 2 seconds after I took my foot off the accelerator... Great Car!! Never buying a Mercedes again. I’ve been in the shop like every month since I bought my car. Total pain in the ***. Not to mention my contacts don’t sync using Mb Bluetooth, but I have bigger fish to fry
Bought our new GLC six months ago. Seems we got ourselves a lemon.
After six months of worry-free luxury driving, the engine light came on. Quickly followed by a warning that the traction control system and tire pressure monitoring system warnings.
Then the car would not go more than 5km/h. Shortly thereafter, the car then wouldn't start.
Mercedes towed it to the dealer where they determined that the gas pedal ... yes ... the gas pedal .. was faulty. They replaced the pedal with a 2018 model off their lot (since it would take over a week to get one from Germany) and the car drove well.
Three weeks later, the same exact thing happened. This time we were two hours away from home.
They towed the car to the nearest dealer and we had to rent a car to get home.
I sincerely hope this is not a problem that anyone else has to endure.
Fyi... they also replaced all the brake pads at the first service visit.
After six months of worry-free luxury driving, the engine light came on. Quickly followed by a warning that the traction control system and tire pressure monitoring system warnings.
Then the car would not go more than 5km/h. Shortly thereafter, the car then wouldn't start.
Mercedes towed it to the dealer where they determined that the gas pedal ... yes ... the gas pedal .. was faulty. They replaced the pedal with a 2018 model off their lot (since it would take over a week to get one from Germany) and the car drove well.
Three weeks later, the same exact thing happened. This time we were two hours away from home.
They towed the car to the nearest dealer and we had to rent a car to get home.
I sincerely hope this is not a problem that anyone else has to endure.
Fyi... they also replaced all the brake pads at the first service visit.
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charming (05-28-2019)
#74
Junior Member
I think ive suffered through all the problems listed here... owned for 3 years today. brakes were replaced 3 or 4 times, tires were completely bald at 27k miles. Battery replaced at 30k (2.75 years). Now my engine light is on again after I’ve needed to push the start button twice to start vehicle as well as having one weird incident in which the car accelerated 2 seconds after I took my foot off the accelerator... Great Car!! Never buying a Mercedes again. I’ve been in the shop like every month since I bought my car. Total pain in the ***. Not to mention my contacts don’t sync using Mb Bluetooth, but I have bigger fish to fry
I've owned various brands over the past years and I had small/big problems with all of them to the point which I realized it's not tied down to a specific brand/model. My 2016 Audi S3 needed a complete transmission replacement due to debris exist in the transmission oil. It cost the dealer around $20,000 and all covered under warranty, They had my car for almost 1 month and gave me a loaner.
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nikkikrames (03-28-2019)
#75
Well, they may be nuissances but I have better things to do with my time than to be at the dealer and it’s not a low end vehicle. My husband drives a 2004 Camry (and he’s proud of it) and he finds it funny that his car has only been in the shop for oil changes in the past 3 years. Further, it’s going to feel more than just a nuisance once my 4 year warranty is up and I’ll be paying for my monthly visits. Plus not sure if the accelerator issue should worry me more
Last edited by nikkikrames; 03-28-2019 at 12:37 PM. Reason: Additional detail