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2018 mercedes-benz C-Class vs 2018 toyota Corolla

Reliability comparison based on NHTSA recall and complaint records.

Synced 2026-04-29 Source: NHTSA public records Reviewed by ASE-certified contributors
Quick verdict
2018 Mercedes-Benz C-Class and 2018 Toyota Corolla are nearly tied on reliability data

2018 mercedes-benz C-Class

3.9/5
Reliability score
121 complaints
0 recalls (0 critical)
$10,750 repair exposure
vs

2018 toyota Corolla

3.8/5
Reliability score
131 complaints
0 recalls (0 critical)
$11,900 repair exposure

Stories from the shop

Look, these two are running close enough that you'd be fine either way. Reliability scores are within rounding distance (3.9 for the 2018 mercedes-benz C-Class, 3.8 for the 2018 toyota Corolla), and they've each got their own laundry list of weak spots. There's no clean winner here on the data alone.

If you're leaning 2018 mercedes-benz C-Class, know what you're getting into on engine and steering. Those categories have noticeably more complaints than what the 2018 toyota Corolla sees, and they're not cheap items when they go.

Going with the 2018 toyota Corolla? Watch the airbags and powertrain. The 2018 mercedes-benz C-Class has fewer reports in those categories, so you'd be trading one set of weak spots for another.

Bottom line: pick based on use case more than the spec sheet. If you tow heavy and don't want to think about it, that's one calculation. If you're a daily driver and want the cheapest path forward, that's another. Both of these will get you down the road. We're just telling you where each one is most likely to break.

— ProblemsByVin editorial team, drawing on the NHTSA data and shop experience.

Side-by-side by problem area

Category
2018 mercedes-benz C-Class
2018 toyota Corolla
engine
34 reports
moderate · ~$3,100
5 reports
severe · ~$3,100
airbags
3 reports
moderate · ~$1,100
31 reports
critical · ~$1,100
electrical
12 reports
severe · ~$850
12 reports
severe · ~$850
powertrain
6 reports
moderate · ~$2,500
10 reports
severe · ~$2,500
fuel system
No reports
15 reports
severe · ~$1,200
steering
13 reports
severe · ~$700
No reports
body
11 reports
severe · ~$1,500
No reports
cruise control
No reports
7 reports
severe · ~$600
brakes
No reports
6 reports
severe · ~$450
seatbelts
No reports
6 reports
severe · ~$500

Common questions

Which is more reliable, the 2018 Mercedes-Benz C-Class or the 2018 Toyota Corolla?

It's close to a tie. Both vehicles score within 0.2 points on our reliability index (3.9 vs 3.8). At this margin, either choice is defensible — base your decision on the specific failure modes that matter to you.

What goes wrong more often on the 2018 Mercedes-Benz C-Class?

Compared to the 2018 Toyota Corolla, the 2018 Mercedes-Benz C-Class sees more reported issues in engine and steering. That doesn't mean it's a bad truck — it means those are the categories worth budgeting for if you go that direction.

What goes wrong more often on the 2018 Toyota Corolla?

Compared to the 2018 Mercedes-Benz C-Class, the 2018 Toyota Corolla has more complaints in airbags and powertrain. Whether that's a deal-breaker depends on the cost and severity — see the comparison table above for repair cost ranges.

Which has more recalls?

Both vehicles have 0 active recalls. Total recall count alone isn't a great signal — what matters is severity. See the recall counts by severity in the comparison table.

Is an extended warranty worth it on either of these?

Both vehicles are out of factory bumper-to-bumper coverage at this point. Combined repair exposure across the top problem categories runs around $11,900 on the higher-risk vehicle. A quality service contract typically costs $1,800–3,500 over 3 years, so a single major failure usually pays for the contract. The math favors warranty coverage on whichever vehicle you choose, especially if you plan to keep it past 100,000 miles.

Related comparisons

Reliability scores, complaint counts, and severity ratings derived from the NHTSA public records database. "Repair exposure" is the sum of average independent-shop repair costs across each vehicle's tracked problem categories and is intended as a relative comparison, not an exact prediction. Editorial commentary auto-generated from the data and reviewed by ASE-certified contributors. Some links on this page are affiliate links.
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