Mercedes-Benz C-Class vs Nissan Sentra
Compact car · 2015–2025 · 2,286 federal complaints
Mercedes-Benz C-Class
1,290 complaints · 4 engines
Most-complained engine: M254 · 2.0L I4
Full breakdown for Mercedes-Benz C-Class →
Nissan Sentra
996 complaints · 1 engines
Most-complained engine: QG18DE · 1.8L I4
Full breakdown for Nissan Sentra →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.
| Mercedes-Benz C-Class | Nissan Sentra | |
|---|---|---|
| Base MSRP | $39,875 | $16,990 |
| Most common engine | M254 · 2.0L I4 | QG18DE · 1.8L I4 |
| Induction | Turbo | Naturally aspirated |
| Fuel economy | 26 MPG | 32 MPG |
| Running cost | $2,900/yr | $1,900/yr |
| Low emissions | 347 g/mi | 283 g/mi |
| Cabin space | 81 cu ft | 96 cu ft |
| Cargo space | 10 cu ft | 15 cu ft |
| Displacement | 2.0 L | 1.8 L |
| NHTSA overall crash rating | ★★★★★ (2021) | ★★★★★ (2025) |
| Rollover risk (NHTSA) | 11.1% | 9.9% |
| Engines with enough data | 4 | 1 |
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.
Mercedes-Benz C-Class
Nissan Sentra
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.
Mercedes-Benz C-Class
- M254 · 2.0L I4Turbo770
- M274 · 2.0L I4Turbo247
- M264 · 2.0L I4Turbo133
- M276 · 3.0L V6Turbo79
Nissan Sentra
- QG18DE · 1.8L I4Naturally aspirated974
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.
Mercedes-Benz C-Class
None on record for this model.
Nissan Sentra
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.