Mercedes-Benz GLC-Class Complaints

782 consumer complaints on file.

#11607936August 12, 2024
ELECTRICAL SYSTEM
The contact owns a 2023 Mercedes-Benz GLC 300 W4. The contact stated that when his wife was parking the vehicle at approximately 5 MPH and when she depressed the brake pedal, the vehicle stalled. The contact stated that his wife said that the brake pedal failed, and the instrument cluster was black. The contact stated that his wife had observed that the brake warning had been illuminated before the instrument cluster failure. The contact stated that his wife jumped the curb and crashed into the wall of a building. The contact stated that the front end of the vehicle was crushed, and the hood was damaged. The contact stated that the front headlights and front bumper were also crushed. The contact stated that the windshield was cracked as well. The contact stated that his wife was unhurt despite the air bags not deploying. The contact stated that the police were called and they issued a report. The contact had called his dealer who referred him to a body shop. The contact had the vehicle towed to a local body shop. The vehicle was not diagnosed by a dealer or independent mechanic. The vehicle damage was being repaired. The contact had researched online and related the failure to NHTSA Campaign Number: 24V115000 (Electrical System). The manufacturer was informed of the failure. The failure mileage was approximately 7,000.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11607513August 9, 2024
ENGINE
Engine began unpredictably running rough. Would lose ability to accelerate, in traffic. Engine light came on. Originally took to dealership, computer indicated a “misfire cylinder 2” was told by mechanic at dealership it was possibly “bad gas” and they cleared all codes. Continued to get worse. Took vehicle to a licensed “Mercedes Doctor” mechanic who had to replace cylinder head to correct. Vehicle is now running better than new!
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11607115August 7, 2024
ENGINE
The contact owns a 2021 Mercedes Benz GLC 300. The contact stated that while driving at various speeds, the vehicle would lose power and fail to accelerate upon the depression of the accelerator pedal. The check engine light would appear on the instrument panel. Despite the failure, the vehicle would resume normal operation upon restart of the engine. The vehicle was initially taken to a dealer but the dealer could not duplicate the failure. The failure worsened over time which resulted in the contact being rear-ended by another vehicle. The air bags did not deploy upon impact and the contact was not injured. A police report was filed and the contact was able to drive the vehicle away from the scene of the accident. The vehicle was taken to various dealers and independent mechanics where each diagnosed the vehicle with a defective cylinder head. The manufacturer was notified by the dealer about the failure and the manufacturer agree to cover half the cost of the repair. The vehicle had yet to be repaired. The failure mileage was approximately 35,000.
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11606449August 5, 2024
ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
The contact owns a 2016 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the check engine warning light remained illuminated. The vehicle was taken to the local mechanic who diagnosed that the crank case ventilation sensor was faulty and needed to be replaced. The vehicle was not repaired. The local dealer was not contacted. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was 70,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11606306August 3, 2024
ENGINE
When driving the car, the engine began to violently shake and fail. The engine ended up having a piston failure due to a small wrist pin and needed the entire engine block replaced. I was lucky that I was not on the freeway or in a more dangerous spot when the engine failed while driving.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11606217August 2, 2024
TIRES, TIRES:TREAD/BELT
On [XXX], I purchased 2 Brand New Tires for my vehicle from (Howie's Tires (No. Miami Fl) This company is a DBA Walter James Investments LLC These tires was to be placed on the rear and moved the rear tire (Mercedes) to the front On [XXX], the passenger front tire (Mercedes) blow out due to a nail I was towed along with my vehicle to Howie's to purchased another tire to replace the passenger front. I have always purchased my tires from Mercedes-Benz (Ft Lauderdale, FL) I was told by a mechanic (July 31, 2024) that I would soon need rear tires due to the tread was very low These tires were not 7 months old. I DONT UNDERSTAND I contacted Renzo at Howie's I went in on August 1, 2024 to let them see this. He said also said the tread was low. Another guy (maybe the manager) came out. He started telling me the those were not their tire also I had them rotated. He wanted me to pay for a another tire and he give me one. I said no to his accusations. Today, August 2, 2024, I had these tire installed. I asked them was their a DOT number that should be on my receipt he said no to both times. I was told there is and I will like you to look into this for me. Well after a lot of going back and forth he agreed to replace them I submit this form to find out if the tires that was replaced (for purchased January 24)and the passenger front tire (purchased? is indeed brand new Run Flat tires Please let me know the DOT number Thanks so much INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11604980July 28, 2024
FUEL/PROPULSION SYSTEM
Check engine light with code P052E.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11604088July 23, 2024
AIR BAGS, SERVICE BRAKES
The contact owns a 2024 Mercedes Benz GLC 300. The contact stated that while attempting to park, the vehicle experienced unintended acceleration causing the contact to lose control of the vehicle and crash into a wall, another vehicle, and two poles where it came to stop when crashing into the second pole. During the unintended acceleration, the contact depressed the brake pedal to control the vehicle however it failed to respond. No air bags deployed. The contact sustained chest, neck, and back injuries and an ambulance transported her to a hospital. A police report was filed. The vehicle was towed to an independent mechanic by the insurance company. The vehicle was not repaired. The dealer was not contacted. The manufacturer was not made aware of the failure. The failure mileage was approximately 97,000.
Crash:
Yes
Fire:
No
Injuries:
1
Deaths:
0
#11601017July 10, 2024
ELECTRICAL SYSTEM
There is an active recall for my vehicle Mercedez Benz GLC 300W4 for which I was NOT NOTIFIED BY THE DEALER AND MANUFACTURER. The recall states that certain 80A fuses installed might not meet production requirements. As a result, a contact interruption or an increased triggering resistance might occur. In this case, systems connected to the fuse might become inoperable. Among others, the vehicle might lose propulsion without warning, restraint functions or the instrument cluster might be impaired, increasing the risk of a crash and injuries. In addition, a risk of fire cannot be ruled out. An authorized Mercedes-Benz dealer will replace the respective main fuse box on the affected vehicles. The following is the SAFETY RISK associated with this recall. As a result, a contact interruption or an increased triggering resistance might occur. In this case, systems connected to the fuse might become inoperable. Among others, the vehicle might lose propulsion without warning, restraint functions or the instrument cluster might be impaired, increasing the risk of a crash and injuries. In addition, a risk of fire cannot be ruled out. I have noticed that check engine light turning on at times while driving which might be due to this fuse malfunctioning. Please take appropriate action and support my case. I can provide more details if required. Thank you.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11598327July 2, 2024
EXTERIOR LIGHTING:HEADLIGHTS
The contact owns a 2020 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed during a rainstorm, the contact became aware that there was water inside the headlight assembly. Later, the contact stated that while driving at night, the headlamps were not functioning as needed. The contact stated that after a visual inspection, the driver’s and passenger’s side indicators were not functioning. The headlamp warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the headlight assembly. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 65,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11597905July 1, 2024
VISIBILITY/WIPER
I purchased the car brand new from my local dealership and 3 months after purchase my windshield cracked. I had the entire windshield replaced with an OEM windshield on 5/7/2024 and yesterday I got another chip/crack in my windshield. I have only had my car less than 8 months and already had 2 cracks/chips. I owned my previous Mercedes over 6years and never had an chip or crack. This has to be a defect in the windshield. My friend also just purchased a 2024 GLC 300 and it's only 3 months old and her windshield is also cracked. I look forward to hearing from you.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11595907June 22, 2024
ENGINE, SERVICE BRAKES
First of all, this is a new car produced in 2023. Since I bought it, the engine has shown alarms more than four times. Every time I went to the 4S shop, no problems were found. Today, the engine still shows a yellow alarm. Secondly, the brake disc makes a loud noise when I park the car and then start the accelerator. Mercedes-Benz has not paid attention to these problems. I think it greatly affects driving safety.This car has been sent to the 4S store many times, but the inspection has always failed. The above-mentioned problems with the car have always existed. I sincerely request your help in solving them.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11595688June 21, 2024
ELECTRICAL SYSTEM
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the vehicle inadvertently lost motive power. The contact was able to pull over to the shoulder of the roadway, where the vehicle was able to be restarted. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the battery. The vehicle was repaired, but the failure reoccurred. The vehicle was taken to the dealer, who then diagnosed a failure with the alternator. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was unknown.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11595449June 20, 2024
ENGINE, POWER TRAIN
The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while at a stop light, the vehicle independently shifted to neutral(N) for approximately 5 minutes. The vehicle failed to release from neutral when the driver shifted the gear shifter. The contact stated that the transmission then released from neutral(N), and the vehicle jolted forward. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who was unable to determine the cause of the failure. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 75,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11594442June 14, 2024
STRUCTURE
The contact owns a 2019 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the contact heard an abnormal sound emanating from the vehicle from an unknown location. The contact pulled over to the shoulder of the roadway and after a visual inspection of the exterior of the vehicle, the contact observed that the front roof panel had become detached. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 23V854000 (Structure) but the VIN was not included. The manufacturer was notified of the failure but referred the contact to the NHTSA Hotline for assistance. The failure mileage was unknown.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11592811June 6, 2024
VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR
The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while his spouse was driving approximately 35 MPH, the passenger’s side side-view mirror fractured without impact. The dealer was contacted to schedule an appointment; however, the vehicle had not been taken to the dealer to be diagnosed or repaired. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 25,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11592323June 4, 2024
SUSPENSION, ENGINE, FORWARD COLLISION AVOIDANCE: WARNINGS
when the car is in drive it will stop like it is in park unable to drive or put in reverse. This happens at random times on the road. The car will then skip gears and go into Neutral then skip an again on its own and go into drive.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11591965June 2, 2024
ENGINE, UNKNOWN OR OTHER
Diagnose: code P05271 - Positive Crankcase Ventilation Regulator Valve Performance: The valve for crankcase ventilation has a malfunction. Mercedes Benz extended warranty to 15 yr / 150k miles for intake assemble which resolve this issue. Like to acquire a confirmation letter from Benz to cover the repair by the Benz dealer
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11591232May 29, 2024
UNKNOWN OR OTHER
When working in the rear cargo area, the door comes down without warning and does not break when it meets resistance trapping me between the body of the car and the descending door. A great deal of physical pressure must be employed in trying to get it to reverse direction. It is a struggle to get out from under the continually closing door. This has happend to me on three different occasions. There should be an automatic reversal when the door meets resistance not unlike a garage door.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11591237May 29, 2024
UNKNOWN OR OTHER
The automatic windows open when the car is parked without being initiated by anyone. Think of it as phantom window opening. The vehicle occasionally reports a window being open when in fact they are all closed. When the phantom opening occurs there is not notice of a window being open.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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