https://plaincars.com/make/mercedes-benz-glc-300 New NHTSA complaints and recalls filed for the Mercedes-Benz GLC 300. en-us Tue, 22 Sep 2026 08:52:36 GMT https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#recall-26V481000-mercedes-benz-mercedes-benz-glc-300-2024 Fri, 24 Jul 2026 00:00:00 GMT Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging aut https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#recall-26V481000-mercedes-benz-mercedes-benz-glc-300-2023 Fri, 24 Jul 2026 00:00:00 GMT Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging aut https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2178616 Thu, 19 Feb 2026 00:00:00 GMT 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 https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2177810 Tue, 17 Feb 2026 00:00:00 GMT This is a well-known issue with these engines. See TSB (Service Bulletin) The 2021 Mercedes-Benz GLC 300 has 42,000 miles and the warranty ran out 2 weeks ago. The vehicle is up-to-date on service. Fault code P06DA00 Engine Oil Pressure Control Circuit/Open. The Yellow Check Engine Light came on and the engine does not run properly and causes engine damage. We had to drive it slowly, under 45 mph, https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2177811 Tue, 17 Feb 2026 00:00:00 GMT This is a well-known issue with these engines. See TSB (Service Bulletin) The 2021 Mercedes-Benz GLC 300 has 42,000 miles and the warranty ran out 2 weeks ago. The vehicle is up-to-date on service. Fault code P06DA00 Engine Oil Pressure Control Circuit/Open. The Yellow Check Engine Light came on and the engine does not run properly and causes engine damage. We had to drive it slowly, under 45 mph, https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2175153 Mon, 09 Feb 2026 00:00:00 GMT My sunroof just exploded while driving on the highway without any impact or warning. It was a clear sunny day. There wasn't a vehicle in front of me. Nothing fell on my windshield nor sunroof. The sudden explosion and shattering of the glass was extremely startling. I had a mesh underneath the sunroof that contained some of the shattered glass so it did not fall on me while I was driving. I https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2173720 Thu, 05 Feb 2026 00:00:00 GMT I smell gas in my car. There is a recall for the fuel parts on the 2019. I have a 2017 with the same issue. https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2172912 Tue, 03 Feb 2026 00:00:00 GMT The contact owns a 2017 Mercedes-Benz GLC300. The contact stated that while parked and attempting to release the seat belt, the seat belt remained latched. The contact stated that after the third attempt, the seat belt operated as needed. The failure had occurred in the front driver’s and passenger’s side seat belts. The vehicle was taken to a dealer, where it was determined that the buckle and ne https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2173005 Tue, 03 Feb 2026 00:00:00 GMT The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the messages "Driver’s Air Bag Malfunction - Service Required" and "Collision Prevention Assist Unavailable" were displayed. The vehicle was taken to an independent mechanic who diagnosed and determined that the air bag had malfunctioned. The vehicle was not repaired. The contact called the deal https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2173006 Tue, 03 Feb 2026 00:00:00 GMT The contact owns a 2017 Mercedes-Benz GLC300. The contact stated while driving at an undisclosed speed, the messages "Driver’s Air Bag Malfunction - Service Required" and "Collision Prevention Assist Unavailable" were displayed. The vehicle was taken to an independent mechanic who diagnosed and determined that the air bag had malfunctioned. The vehicle was not repaired. The contact called the deal https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2172788 Tue, 03 Feb 2026 00:00:00 GMT The contact owns a 2020 Mercedes-Benz GLC300. The contact stated that while driving at an undisclosed speed, the panoramic roof unexpectedly shattered. There was no warning light illuminated. The vehicle was taken to the dealer, where it was determined that the panoramic sunroof and the sunroof protector needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the fa https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2171222 Thu, 29 Jan 2026 00:00:00 GMT I was driving on a street 5mph and all of a sudden my car surged and led me to curb where i knocked hit a steer din and it veered onto someone’s lawn and hit a huge planter and stopped . Air bags were deployed . I had no control over the car . EDR was preformed and I’m sure it was a throttle surge issue and cause unintended acceleration . The edr shows I was going 5 miles an hour but then says ped https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2168991 Thu, 22 Jan 2026 00:00:00 GMT 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-Benz dealerships. The oil pump is a critical engine component that should not fail at this mileage. It has been recommended to not drive the vehicle https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2166755 Thu, 15 Jan 2026 00:00:00 GMT 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 no signal indicator and a safety issue/hazard when driving at night. The issue has been inspected with a local dealer and with corporate being aware of https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2165882 Tue, 13 Jan 2026 00:00:00 GMT The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that the passenger’s side headlight was developing fog, causing the light to be dim. The vehicle was taken to the dealer, who diagnosed the vehicle and determined that the headlight needed to be replaced. The vehicle was not repaired. The contact learned of NHTSA Campaign Number: 22V261000 (Exterior Lighting); however, the VIN was no https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2164234 Thu, 08 Jan 2026 00:00:00 GMT Cylinder head valve seat leak ..vehicle Mia fires and check engine light on https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2164424 Thu, 08 Jan 2026 00:00:00 GMT Vehicle Information: Year: 2021 Make: Mercedes-Benz Model: GLC 300 Engine: M264 Mileage at time of failure: Approximately 65,000 miles Complaint Description: While driving, my 2021 Mercedes-Benz GLC 300 began experiencing repeated engine misfires and rough running, accompanied by a persistent check engine light. These symptoms began shortly after I purchased the vehicle and progressively worsene https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2164425 Thu, 08 Jan 2026 00:00:00 GMT Vehicle Information: Year: 2021 Make: Mercedes-Benz Model: GLC 300 Engine: M264 Mileage at time of failure: Approximately 65,000 miles Complaint Description: While driving, my 2021 Mercedes-Benz GLC 300 began experiencing repeated engine misfires and rough running, accompanied by a persistent check engine light. These symptoms began shortly after I purchased the vehicle and progressively worsene https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2163153 Mon, 05 Jan 2026 00:00:00 GMT My vehicle had check engine lights on throughout the last couple of years. Every time I bought it to the dealer, they ignored it and said the light went off. The machine doesn't pick up anything. Now the check engine light is on and the cylinder head and diagnostic head, something is wrong. They will fix the diagnostic head but not the cylinder head. The dealership knew there was ongoing issue https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2161963 Wed, 31 Dec 2025 00:00:00 GMT The contact's friend owns a 2018 Mercedes-Benz GLC 300. The contact stated that while the owner was driving at an undisclosed speed, the accelerator pedal was depressed, but the vehicle failed to accelerate as intended, and the gear shifter independently shifted to neutral(N). No warning lights were illuminated. In addition, the contact stated that the failure was persistent. The contact stated th https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2161624 Tue, 30 Dec 2025 00:00:00 GMT While I was driving on the Garden State Parkway, my vehicle experienced a sudden loss of power and persistent misfires and my check engine light came on. I was put in a position of a significant crash risk due to the fact that the vehicle loss sudden acceleration power while entering the parkway. I was almost rear ended by another vehicle. I drove immediately to a Mercedes-Benz dealer. The dealer https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2159050 Fri, 19 Dec 2025 00:00:00 GMT 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 passenger side front head light assembly except it is still working .research showed that this has been a problem on similar Mercedes Benz cars and c https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2158331 Wed, 17 Dec 2025 00:00:00 GMT The contact owns a 2022 Mercedes-Benz GLC300. The contact stated that while driving at an undisclosed speed, the accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. There was a misfire coming from the engine, and the vehicle lost motive power. In addition, the check engine warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed wit https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2156053 Wed, 10 Dec 2025 00:00:00 GMT On Saturday 12/6/25, I put my 15 year old cat in his carrier in the back seat and closed the door. I got into my car and opened my garage door. I started my MBGLC300 and began backing my car out of my garage. As soon as the car rear end cleared the garage, I heard an explosion "BOOM", and the sound of breaking glass. I pulled back into my garage only to find the entire back window had exploded https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2155299 Mon, 08 Dec 2025 00:00:00 GMT 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 vehicle off and restarted it to regain limited driveability. On the second incident, the power loss was so abrupt that it felt as if I had been rear-ended https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2153906 Wed, 03 Dec 2025 00:00:00 GMT 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 due to valve seat damage, matching MB TSB LI01.30-P-072328. The cylinder head was replaced in Aug 2025. About two months later, while driving under https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2153475 Tue, 02 Dec 2025 00:00:00 GMT The contact owns a 2018 Mercedes-Benz GLC300. The contact stated that while driving at various speeds, the vehicle shifted into gear initially without warning. The contact stated that while stopped at a light, the vehicle shut off with the "Transmission Malfunction Stop" message displayed on the instrument panel. The contact was unable to move the vehicle, and the vehicle was towed to an independe https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2150706 Fri, 21 Nov 2025 00:00:00 GMT The contact owns a 2019 Mercedes-Benz GLC300. The contact stated that while shifting from reverse to drive, the vehicle stalled and remained in neutral. After the vehicle stalled, the vehicle took approximately 8 minutes before the vehicle could be shifted into drive. Once in drive, the vehicle would jerk and shift to D3 before accelerating. The check engine warning light would illuminate while in https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2149483 Mon, 17 Nov 2025 00:00:00 GMT I have P052E71 error code. It’s a crankcase ventilation malfunction. Seems to be a common issue reported widely online on various forums. Mercedes should place a recall on this. The car has 55k miles on it. https://plaincars.com/make/mercedes-benz-glc-300 https://plaincars.com/make/mercedes-benz-glc-300#complaint-2149024 Sun, 16 Nov 2025 00:00:00 GMT I was involved in a severe front-end collision where my vehicle struck another vehicle with significant force. Despite the major impact, the front airbags did NOT deploy. The entire front end of the vehicle was crushed, including destruction of the radiator, damage to engine components, internal structural collapse, and leaking fluids. Based on the severity and direct frontal nature of the crash,