Recalls, complaints, and safety data from NHTSA
The 2021 Mercedes-Benz glc has 0 recalls, 59 complaints, and a 5-star overall safety rating from NHTSA.
0
Recalls
59
Complaints
★★★★★
Safety Rating
Data source: National Highway Traffic Safety Administration (NHTSA) · Last updated April 9, 2026
Overall
★★★★★
Front Crash
★★★★★
Side Crash
★★★★★
Rollover
★★★★★
Rating for: 2021 Mercedes-Benz GLC SUV RWD
| Date ↓ | Component | Summary |
|---|---|---|
| Mar 15, 2026 | POWER TRAIN | The engine starts shaking, smell of gas car than stops while driving, could caused an accident and s... |
| Mar 10, 2026 | BACK OVER PREVENTION | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that the rear-view camera was not f... |
| Feb 15, 2026 | ELECTRICAL SYSTEM,ENGINE | This is a well-known issue with these engines. See TSB (Service Bulletin) The 2021 Mercedes-Benz GLC... |
| Jan 9, 2026 | EXTERIOR LIGHTING | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that the passenger’s side headlight... |
| Jan 7, 2026 | ENGINE | Cylinder head valve seat leak ..vehicle Mia fires and check engine light on |
| Dec 31, 2025 | EXTERIOR LIGHTING | Headlight is defective and is filled with condensation which has caused the entire light to fail. Th... |
| Dec 5, 2025 | POWER TRAIN,ENGINE | Vehicle Information: Year: 2021 Make: Mercedes-Benz Model: GLC 300 Engine: M264 Mileage at time of f... |
| Nov 13, 2025 | ENGINE | While I was driving on the Garden State Parkway, my vehicle experienced a sudden loss of power and p... |
| Oct 29, 2025 | ENGINE | There is a hesitation in or "shuddering" that causes the car to go into limp mode while in operation... |
| Oct 29, 2025 | FUEL/PROPULSION SYSTEM | The vehicle lost power and will not operate over 40 mph/2000 rpms |
| Oct 16, 2025 | ENGINE | Car has experienced rough idling, sluggish to no acceleration, check engine light illuminates and no... |
| Oct 9, 2025 | ENGINE | Twice my car slowed down tremendously in traffic because of a bad cylinder head. I drive a 2021 Merc... |
| Sep 22, 2025 | ENGINE | Check engine light came on. Code was P219D mixture formation is irregular on cylinder 2. Informed to... |
| Aug 8, 2025 | ENGINE | what happened? While driving, all of sudden, engine light was on and shaky with rough vibration cons... |
| May 13, 2025 | ENGINE | In September 2024 my vehicle's engine light came off and the car was struggling to accelerate, espec... |
| May 7, 2025 | ELECTRICAL SYSTEM,EXTERIOR LIGHTING,VISIBILITY/WIPER | Have been getting condensate inside vehicle headlights inwhich have cause the headlight to completel... |
| Apr 28, 2025 | ENGINE | Our 2021 Mercedes is 4 years old and had the engine light come on. The vehicle has always been maint... |
| Apr 1, 2025 | ENGINE | Head problems |
| Mar 28, 2025 | EXTERIOR LIGHTING | The contact owns a 2021 Mercedes-Benz GLC300. The contact stated that there was condensation inside ... |
| Mar 20, 2025 | ELECTRICAL SYSTEM,EXTERIOR LIGHTING | I seen a recall for certain 2021 GLC 300 vehicles for moisture in right side headlamp, causing headl... |