Kia Soul vs Mercedes-Benz C-Class
Compact car · 2015–2025 · 3,435 federal complaints
Kia Soul
2,145 complaints · 4 engines
Most-complained engine: GDI · 2.0L I4
Full breakdown for Kia Soul →
Mercedes-Benz C-Class
1,290 complaints · 4 engines
Most-complained engine: M254 · 2.0L I4
Full breakdown for Mercedes-Benz C-Class →At a glance
Side by side. EPA figures are the model's median across its test variants; price is the base-trim MSRP (CarAPI), median across covered model years.
| Kia Soul | Mercedes-Benz C-Class | |
|---|---|---|
| Base MSRP | $16,150 | $39,875 |
| Most common engine | GDI · 2.0L I4 | M254 · 2.0L I4 |
| Induction | Naturally aspirated | Turbo |
| Fuel economy | 28 MPG | 26 MPG |
| Running cost | $2,200/yr | $2,900/yr |
| Low emissions | 320 g/mi | 347 g/mi |
| Cabin space | 101 cu ft | 81 cu ft |
| Cargo space | 24 cu ft | 10 cu ft |
| Displacement | 2.0 L | 2.0 L |
| NHTSA overall crash rating | ★★★★ (2025) | ★★★★★ (2021) |
| Rollover risk (NHTSA) | 14.7% | 11.1% |
| Engines with enough data | 4 | 4 |
Side by side
Both cars scored as percentiles within Compact car, so the shapes are directly comparable. Built from EPA test data.
What each one's complaints are about
Showing each car's highest-volume engine. Share of component mentions — not a failure rate, and not a ranking between the two.
Kia Soul
Mercedes-Benz C-Class
How often each one's complaints involve a fire, crash or injury
Shares of each car's own complaints — sales volume cancels out of a within-car ratio, so these two can be compared. The vertical mark is the all-vehicle average.
all vehicles — Fire 1.1% · Crash 4.4% · Injury 2.6%
Every engine with enough data
Complaint counts per engine are shown for scale only — they track how many were sold, not how often they fail.
Kia Soul
- GDI · 2.0L I4Naturally aspirated1,367
- GAMMA · 1.6L I4412
- GDI · 1.6L I4253
- Electric63
Mercedes-Benz C-Class
- M254 · 2.0L I4Turbo770
- M274 · 2.0L I4Turbo247
- M264 · 2.0L I4Turbo133
- M276 · 3.0L V6Turbo79
Recalls where NHTSA said stop driving or park outside
The severest recall class only. Model-level, manufacturer-confirmed. Recall repairs are free at any franchised dealer, whatever the car's age.
Kia Soul
- Power Train › Automatic Transmission › Fluid/Lubricant › Pump (park outside, 2023–2023) 23V531000
Mercedes-Benz C-Class
None on record for this model.
One car having more complaints than the other mostly reflects how many were sold, not how often they break. Compare each car's own mix of problems — not the totals.