Below are recalls and complaints reported to NHTSA for the 2020 Mercedes Benz Glc Class. This information is consumer-reported and provided for general informational purposes only. Vehicles like this may qualify under California lemon law depending on their individual repair history.
The following are consumer-reported complaints filed with NHTSA. These are unverified allegations and are not proof that any defect exists.
Premature oil pump failure on a 2020 Mercedes-Benz GLC 300 with 71,000 miles. The check engine light illuminated on December 29th, 2025 and with no other warning symptoms. The vehicle has been maintained properly, including regular visits to Mercedes | The engine in my 2020 Mercedes-Benz GLC 300 suddenly malfunctioned while driving on two separate occasions. The vehicle began shaking violently and lost power without warning. I could not accelerate and had to pull over immediately. I turned the vehi | My 2020 Mercedes-Benz GLC 300 experienced a complete engine failure at ~51,000 miles, shortly after a major repair for a known defect. Initially, the vehicle showed a misfire on cylinder #3, which was diagnosed at RBM of Alpharetta as low compression
The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the air bag warning light remained illuminated, indicating that the front passenger’s side seat air bag was inoperable. The cause of the failure was no | The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that upon driving through an intersection at 40 mph, another vehicle had run a stoplight. The contact swerved in an attempted to avoid the vehicle, however, she had hit the vehicle's re
Allegedly reported: 1 injury (as reported to NHTSA).
There was a recall on headlight leaking and this happened to my left headlight no damage but leaking and this caused headlight to not work | Water condensation within the driver side headlight which caused the complete headlight unit, control unit, and module to fail. This is a huge safety issue due to unable to operate vehicle safely during the when it comes to making left turns due to n | Problem (repeat failure / prior warranty replacement): This vehicle has a recurring headlamp defect involving moisture ingress into the headlamp housing/connectors, causing electrical shorting and warning messages, with risk of headlight failure. Mer
Panoramic sunroof blew off vehicle while driving. Other drivers were put at a risk from a vehicle component flying through the air at high speed. The vehicle has been inspected by the dealership. No warnings prior to the problem. There is a recall | THE SUNROOF OF OUR CAR SHATTERED BY ITSELF WHEN WE WERE DRIVING ON A CITY STREET. THERE WAS NO PROJECTILE THAT CAUSED THE SUNROOF TO SHATTER AND THE DEALERSHIP WAS ABLE TO CONFIRM THAT. BUT THE DEALERSHIP AND THE COMPANY ARE UNABLE TO SAY FOR CERTAIN
Winning noise in rear end. We bought used noticed noise getting loader. Took vehicle to dealer. We were informed the rear Differential was bad and would have to be replaced. Vehicle has 61,198 miles on it. Wife drives car around town and on trips out | The contact owns a 2020 Mercedes-Benz GLC63. The contact stated that while his wife was driving at highway speeds, the vehicle inadvertently decelerated while the accelerator pedal was being depressed. The check engine warning light illuminated, and | It took a few minutes to be able to completely turn left out of a shopping center while waiting in line. When finally able to turn left, the car stalled into what appeared to be neutral where I had no control to increase speed and was turning very sl
the power steering wheel adjustment stopped working, leaving the steering wheel stuck in a very unconfutable position for driving. The car just ended its 4 yr warranty | THE VEHICLE WONDERS WITHIN THE LANE WHEN MERCEDES DISTRONIC DRIVER ASSISTANCE IS ACTIVATED, PARTICULARLY ON GENTLE CURVES AT HIGHWAY SPEEDS. IT WILL HIT LANE BUMPS UNLESS THE DRIVER ACTIVELY STEERS AWAY FROM THE LANE MARKINGS. THE 2020 GLC3004MATIC
On August 15, 2025, I was driving my Mercedes-Benz GLC 300 4MATIC on the freeway under normal conditions. Without any warning lights, error messages, or prior signs of mechanical issues, the vehicle suddenly and completely lost power. The accelerator | SRS malfunction warning displayed on vehicles dashboard. Vehicle was diagnosed and displayed code B009749 Indicating: the crash sensor on the right hand side has a malfunction. There is an internal electrical fault. | My car has Distronic (radar cruise control), and it worked perfectly until I got my car back after routine maintenance (oil change) at my Mercedes Benz dealership in late summer of this year (2023). Now, the system is behaving dangerously aggressive
Allegedly reported: 3 injuries (as reported to NHTSA).
This is in reference to a 2020 Mercedes GLC350e Plug-In Hybrid. Sole owner purchased January 2020 with under 4 Thousand miles on the odometer, 3 years extended warranty. Took car only to MB Henderson dealership for service/maintenance performance o | The contact's wife owns a 2020 Mercedes-Benz GLC300. The contact stated that while his wife was driving at an undisclosed speed, the vehicle stalled. The vehicle was towed to the dealer and diagnosed with ignition failure. The contact was informed th | At around 11pm on Monday, Sept 20, 2021 I was driving approximately 65 mph on the highway when the vehicle began to abruptly decelerate for no apparent reason, even when I was pushing on the accelerator pedal. When I would push on the accelerator I c
For the past 6 months, the monitor in my SUV wont come on when I turn on the truck. Even when I turn the vehicle off, remove the key and step out of the vehicle, it will still do it until like the I next day. Often, still, when I am putting my car | The contact owns a 2020 Mercedes-Benz GLC300. The contact stated while attempting to reverse, the back over prevention camera displayed a blank screen. The vehicle was not taken to an independent mechanic or dealer to be diagnosed. The contact stated | The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that the rearview camera displayed a reverse mirror image. The contact related the failure to NHTSA Campaign Number: 22V232000 (Back Over Prevention). The vehicle was not diagnosed nor
Center COMAND screen malfunctions. No rear camera view when reversing when screen does not work. Dealer attempted a repair but issue remains. Parts ordered for replacement. | The contact owns a 2020 Mercedes-Benz GLC300. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the recall repair was unavailable. The contact stated that the manuf | The contact owns a 2020 Mercedes-Benz AMG GLC43. The contact received notification of NHTSA Campaign Number: 21V354000 (Back Over Prevention, Electrical System) however, the part to do the recall repair was not yet available. The local dealer was con
The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that while operating the vehicle, the 12-Volt battery warning light remained illuminated. The contact stated that while driving at various speeds, the vehicle shut off. The failure also | WHEN USING ENGINE START/STOP FUNCTION, OVER THE COURSE OF 3 DAYS AFTER PICKING UP THE CAR, WHEN AT A LIGHT, THE CAR DID NOT START BACK UP.
The front main light on the driver side stopped working after a rain and it continued getting moister in the head lamp every night until a few days ago and as a result the head light assembly does not work at all ,the same thing is happening on the | While driving on the highway I began to hear an unusual amount of wind noise inside the car. I thought the sound was coming from the sunroof, though it was completely closed. I pushed the button to confirm it was sealed, but the noise continued. Sho | The rear camera system becomes inoperable when car is first started and put in reverse, then all cameras remain interoperable while driving until sometime later after the car is turned off. This problem occurs intermittently. The symptoms match those
If your 2020 Mercedes Benz Glc Class has had repeated repairs for the same problem, you may have rights under California lemon law. Tell us about it and we will review your situation at no cost and no obligation.
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The recalls and complaints shown here are reported to NHTSA and are consumer-reported, unverified allegations. They do not establish that any defect exists in any individual vehicle, and nothing on this page should be read as asserting that the 2020 Mercedes Benz Glc Class is defective. Counts reflect items filed with NHTSA and may not be current. “May qualify” statements are general and do not mean any particular vehicle or owner qualifies.
Past results do not guarantee a similar outcome. Every case is different and depends on its own facts. Lucky Lemon Law is responsible for the content of this advertisement.