2014 Kia Sorento vs 2014 Mercedes-Benz GLK350
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 | 2014 Kia Sorento | 2014 Mercedes-Benz GLK350 |
|---|---|---|
| NHTSA complaints | 981 | 103 |
| Recall campaigns | 6 | 5 |
| Service bulletins (TSBs) | 261 | 59 |
| Investigations | 8 | 1 |
| Crash reports | 23 | 4 |
| Fire reports | 45 | 1 |
| NCAP overall rating | 5/5 | — |
| EPA MPG (combined) | 20–22 | 21–22 |
| Median reported incident mileage | 80,000 mi | 38,000 mi |
Reported problems side by side
| Component | Kia Sorento | Mercedes-Benz GLK350 |
|---|---|---|
| Engine | 384 | 4 |
| Structure | 160 | 5 |
| Electrical System | 152 | 4 |
| Air Bags | 51 | 62 |
| Exterior Lighting | 86 | 0 |
| Power Train | 69 | 3 |
| Fuel/propulsion System | 46 | 4 |
| Service Brakes | 43 | 4 |
Symptoms owners describe
| Check engine light | 87 | 0 |
| Stalling | 80 | 0 |
| Rust / corrosion | 78 | 0 |
| Clunking / rattling | 63 | 0 |
| Loss of power | 39 | 0 |
| Oil consumption | 29 | 0 |
| Airbag warning light | 27 | 0 |
| Overheating | 25 | 0 |
2014 Kia Sorento
2014 Mercedes-Benz GLK350
Compare all Kia Sorento vs Mercedes-Benz GLK350 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.