Mercedes-Benz C 300
2018 only
2018 Mercedes-Benz C 300 have 121 classified complaints on record for that year specifically, plus 18 recalls. The most common issue in this year is Internal engine (bearings, pistons, rings), typically surfacing around 62,000 miles.
Computed directly from stored federal records for 2018 model years only — not blended with the rest of this vehicle's production run. See the full Mercedes-Benz C 300 report for every year combined.
Where this year fits
What breaks, and when — 2018 only
Median onset: 62,000 miles.
More common in older model years.
Onset mileage not consistently reported.
More common in older model years.
Onset mileage not consistently reported.
More common in older model years. · Typical repair: $270–$510 nationally.
Median onset: 64,000 miles.
More common in older model years. · Typical repair: $330–$620 nationally.
Median onset: 35 miles.
Tends to show up earlier than this model's other issues. · More common in newer model years.
Median onset: 75,000 miles.
More common in older model years.
Median onset: 50,000 miles.
More common in older model years.
Onset mileage not consistently reported.
More common in older model years.
From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.
Cost estimator: what will this one cost you?
Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.
Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2018 model year. See the full Mercedes-Benz C 300 report for every year and full specs/safety data.