2018 Mercedes-Benz GLC 300 vs 2020 Mercedes-Benz GLC 300
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2018 Mercedes-Benz GLC 300 | 2020 Mercedes-Benz GLC 300 |
|---|---|---|
| NHTSA complaints | 87 | 67 |
| Recall campaigns | 12 | 16 |
| Service bulletins (TSBs) | 197 | 215 |
| Investigations | 1 | 0 |
| Crash reports | 4 | 3 |
| Fire reports | 1 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 24 | 24 |
| Median reported incident mileage | 16,000 mi | — |
Reported problems side by side
| Component | Mercedes-Benz GLC 300 | Mercedes-Benz GLC 300 |
|---|---|---|
| Engine | 28 | 20 |
| Electrical System | 13 | 5 |
| Structure | 9 | 3 |
| Power Train | 8 | 4 |
| Fuel/propulsion System | 7 | 4 |
| Seat Belts | 8 | 0 |
| Air Bags | 6 | 2 |
| Service Brakes | 5 | 3 |
Symptoms owners describe
| Check engine light | 10 | 10 |
| Airbag warning light | 5 | 0 |
| Stalling | 0 | 9 |
| Misfire / rough idle | 0 | 6 |
2018 Mercedes-Benz GLC 300
2020 Mercedes-Benz GLC 300
Compare all Mercedes-Benz GLC 300 vs Mercedes-Benz GLC 300 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.