2021 Kia Telluride vs 2021 Mercedes-Benz GLC 300
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 22, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2021 Kia Telluride | 2021 Mercedes-Benz GLC 300 |
|---|---|---|
| NHTSA complaints | 362 | 66 |
| Recall campaigns | 5 | 9 |
| Service bulletins (TSBs) | 95 | 212 |
| Investigations | 0 | 0 |
| Crash reports | 7 | 1 |
| Fire reports | 4 | 2 |
| NCAP overall rating | 5/5 | — |
| EPA MPG (combined) | 21–23 | 25 |
| Median reported incident mileage | 3,950 mi | — |
Reported problems side by side
| Component | Kia Telluride | Mercedes-Benz GLC 300 |
|---|---|---|
| Engine | 62 | 30 |
| Visibility/wiper | 63 | 3 |
| Electrical System | 41 | 8 |
| Structure | 33 | 3 |
| Power Train | 27 | 4 |
| Forward Collision Avoidance | 22 | 3 |
| Visibility | 23 | 1 |
| Exterior Lighting | 10 | 13 |
Symptoms owners describe
| Stalling | 19 | 6 |
| Oil consumption | 19 | 0 |
| Loss of power | 13 | 12 |
| Vibration / shaking | 13 | 5 |
| Check engine light | 12 | 15 |
| Clunking / rattling | 10 | 0 |
| Hesitation / surging | 9 | 5 |
| Misfire / rough idle | 0 | 5 |
2021 Kia Telluride
2021 Mercedes-Benz GLC 300
Compare all Kia Telluride 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.