Mercedes-Benz ML320 vs Toyota 4 Runner
Owner complaints, worst years and recall history side by side, from official NHTSA data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
Mercedes-Benz ML320
- Total complaints
- 719
- Avg per model year
- 74
- Recall campaigns (all years)
- 4
- Most complained year
- 2000 (166)
Top problems: Steering, Engine and Engine Cooling, Electrical System
Toyota 4 Runner
- Total complaints
- 1,019
- Avg per model year
- 86
- Recall campaigns (all years)
- 0
- Most complained year
- 2003 (168)
Top problems: Engine and Engine Cooling, Tires, Service Brakes, Hydraulic
Complaints by model year
| Year | Mercedes-Benz ML320 | Toyota 4 Runner | ||
|---|---|---|---|---|
| 2005 | 5 | 15 | ||
| 2003 | 22 | 168 | ||
| 2002 | 88 | 32 | ||
| 2001 | 136 | 31 | ||
| 2000 | 166 | 104 | ||
| 1999 | 125 | 110 | ||
| 1998 | 133 | 120 |
Method. Complaints are unique NHTSA reports per model year. A model that sold more units will naturally accumulate more complaints — compare the shape across years, not just the raw totals, and read the year pages for what actually fails.