Safety Score
89
Safe
Recalls
0
Complaints
50
NCAP Stars
—
Recalls (0)
No recalls found for the 2021 Mercedes-Benz Glc 300.
Owner Complaints (showing up to 50)
| Date | Component | Crash | Injuries | Summary |
|---|---|---|---|---|
| 2026-03-15 | POWER TRAIN | No | 0 | The engine starts shaking, smell of gas car than stops while driving, could caused an accident and severely injured som… |
| 2026-03-10 | BACK OVER PREVENTION: SENSING SYSTEM: CAMERA | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that the rear-view camera was not functioning properly… |
| 2026-02-15 | ENGINE | No | 0 | This is a well-known issue with these engines. See TSB (Service Bulletin) The 2021 Mercedes-Benz GLC 300 has 42,000 mil… |
| 2026-01-09 | EXTERIOR LIGHTING | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that the passenger’s side headlight was developing fog… |
| 2026-01-07 | ENGINE | No | 0 | Cylinder head valve seat leak ..vehicle Mia fires and check engine light on |
| 2025-12-31 | EXTERIOR LIGHTING | No | 0 | Headlight is defective and is filled with condensation which has caused the entire light to fail. The problem has been … |
| 2025-12-05 | ENGINE | No | 0 | Vehicle Information: Year: 2021 Make: Mercedes-Benz Model: GLC 300 Engine: M264 Mileage at time of failure: Approximate… |
| 2025-11-13 | ENGINE | No | 0 | While I was driving on the Garden State Parkway, my vehicle experienced a sudden loss of power and persistent misfires … |
| 2025-10-29 | FUEL/PROPULSION SYSTEM | No | 0 | The vehicle lost power and will not operate over 40 mph/2000 rpms |
| 2025-10-29 | ENGINE | No | 0 | There is a hesitation in or "shuddering" that causes the car to go into limp mode while in operation. I was in traffic … |
| 2025-10-16 | ENGINE | No | 0 | Car has experienced rough idling, sluggish to no acceleration, check engine light illuminates and no shifting of gears … |
| 2025-10-09 | ENGINE | No | 0 | Twice my car slowed down tremendously in traffic because of a bad cylinder head. I drive a 2021 Mercedes GLC 300 4matic… |
| 2025-09-22 | ENGINE | No | 0 | Check engine light came on. Code was P219D mixture formation is irregular on cylinder 2. Informed today, the cylinder w… |
| 2025-08-08 | ENGINE | No | 0 | what happened? While driving, all of sudden, engine light was on and shaky with rough vibration consequently loss of po… |
| 2025-05-13 | ENGINE | No | 0 | In September 2024 my vehicle's engine light came off and the car was struggling to accelerate, especially in highway. … |
| 2025-05-07 | ELECTRICAL SYSTEM | No | 0 | Have been getting condensate inside vehicle headlights inwhich have cause the headlight to completely not work anymore.… |
| 2025-04-28 | ENGINE | No | 0 | Our 2021 Mercedes is 4 years old and had the engine light come on. The vehicle has always been maintenance by Mercedes … |
| 2025-04-01 | ENGINE | No | 0 | Head problems |
| 2025-03-28 | EXTERIOR LIGHTING | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that there was condensation inside the front passenger… |
| 2025-03-20 | ELECTRICAL SYSTEM | No | 0 | I seen a recall for certain 2021 GLC 300 vehicles for moisture in right side headlamp, causing headlamp to blow (go out… |
| 2025-03-06 | ENGINE | No | 0 | On [XXX] my GLC 300 AWD while driving back from work started shaking, went into limp mode, engine started misfiring and… |
| 2025-03-03 | ENGINE | No | 0 | While driving my vehicle on March 3, 2025 the check engine light came on. Additionally my vehicle began to shake. I was… |
| 2025-02-10 | UNKNOWN OR OTHER | No | 0 | While slowly backing out of the driveway and without contacting anything at all, the rear window completely shattered. … |
| 2024-12-23 | ELECTRICAL SYSTEM | No | 0 | Mercedes App displays low battery alert. Brought to dealer who stated Mercedes told them (dealer) to inform anyone comi… |
| 2024-12-02 | FUEL/PROPULSION SYSTEM | No | 0 | High beam can't auto dim Fuel pump fail to operate, misfires, and shut down while driving |
| 2024-11-30 | UNKNOWN OR OTHER | No | 0 | Driving short distance home when the bottom of Mercedes GLC 300 caught fire without warning or notification. I was unaw… |
| 2024-11-29 | FUEL/PROPULSION SYSTEM | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while driving at low speeds, the vehicle lost mot… |
| 2024-11-14 | EXTERIOR LIGHTING | No | 0 | My headlight is absorbing moisture & causing my light to have a shortage. |
| 2024-10-27 | ENGINE | No | 0 | While drive check engine light came on and car would go past 20 miles per hour. This is the second occurrence. First t… |
| 2024-10-03 | ENGINE | No | 0 | The contact owns a 2021 Mercedes Benz GLC300. The contact stated that while driving at a low speed, the vehicle began t… |
| 2024-09-18 | ENGINE | No | 0 | Vehicle has a known engine failure. Leaking valve in Cylinder head. Cylinder 3 injector is faulty |
| 2024-06-03 | VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while his spouse was driving approximately 35 MPH… |
| 2024-01-22 | EXTERIOR LIGHTING | No | 0 | Vehicle left/front headlight has water condensation and entire headlight doesn't work. Its pretty much not drivable. I … |
| 2024-01-10 | ENGINE | No | 0 | On 12/17/2023 at approximately 6:00 am while traveling to a friends house, my car stalled out on me. The engine ligh… |
| 2024-01-01 | EXTERIOR LIGHTING | No | 0 | The headlights stopped working due to water entering the assembly unit. First one side went out and then eventually the… |
| 2023-12-12 | POWER TRAIN | No | 0 | This is the 3rd incidence of this issue (July, Oct, Dec), but we have been advised that a software update is not yet av… |
| 2023-09-11 | ENGINE | No | 0 | The contact owns a 2021 Mercedes Benz GLC300. The contact stated while driving approximately 65 MPH, the vehicle lost m… |
| 2023-08-15 | ELECTRICAL SYSTEM | No | 0 | My vehicle suddenly starting getting moisture in the passenger side head light.Many people brought this my attention.Af… |
| 2023-06-26 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact received notification of NHTSA Campaign Number: 23V445000 (Fu… |
| 2023-03-03 | FUEL SYSTEM, GASOLINE | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while his wife was driving in the rain approximat… |
| 2023-01-17 | UNKNOWN OR OTHER | No | 0 | My sunroof exploded while I was driving on the highway. There were no other cars around me and no overpasses. There is … |
| 2022-09-07 | ELECTRICAL SYSTEM | No | 0 | My car was bought new in October 2021 & I began having problems after having it for 6 months & the mileage at that time… |
| 2022-08-15 | AIR BAGS | No | 0 | Vehicle will flash warnings on dash the the blind spot assist in inoperative and the front passenger air bag malfunctio… |
| 2022-08-01 | ENGINE | Yes | 0 | The contact owns a 2021 Mercedes Benz GLC 300. The contact stated that while driving at various speeds, the vehicle wou… |
| 2022-06-14 | VEHICLE SPEED CONTROL | No | 0 | Driving on I75 in Georgia using Distronic speed control. This system scans highway speed control signage and automatic… |
| 2022-05-27 | STRUCTURE:BODY | No | 0 | Sunroof glass panel exploded outward. Fabric retractable interior sunroof liner did contain all of the fragmented safet… |
| 2022-03-23 | FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL | No | 0 | Unexpected Severe braking when changing into turn lane. Unexpected severe braking when approaching intersection with n… |
| 2022-02-08 | UNKNOWN OR OTHER | No | 0 | The HVAC system has a very had odor that could impact our respiratory health, and giving us headaches when we drive. … |
| 2021-11-22 | BACK OVER PREVENTION | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact received a recall notification for NHTSA Campaign number: 21V… |
| 2021-09-28 | ENGINE | No | 0 | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that while his wife was driving at an undisclosed spee… |