2020 Mercedes-Benz C-Class problems and recalls

The 2020 Mercedes-Benz C-Class has no recalls on file. Owners have filed 46 complaints, most often on the Engine.

46
Complaints
0
Recalls
5
Crash reports
0
Fire reports
5
Injuries
82.8
Severity index

Severity index 82.8 High. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 82.8p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 18 of 103 by severity index among 2020 vehicles with at least 40 complaints, highest first. 83% of those vehicles scored lower. Full 2020 ranking.

Components cited in complaints

EngineEngine: 9 complaints (19.6%)9 20%Power TrainPower Train: 7 complaints (15.2%)7 15%Unknown Or OtherUnknown Or Other: 7 complaints (15.2%)7 15%StructureStructure: 5 complaints (10.9%)5 11%Electrical SystemElectrical System: 4 complaints (8.7%)4 9%Fuel/Propulsion SystemFuel/Propulsion System: 4 complaints (8.7%)4 9%Back Over PreventionBack Over Prevention: 4 complaints (8.7%)4 9%Air BagsAir Bags: 3 complaints (6.5%)3 7%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE919.6%
POWER TRAIN715.2%
UNKNOWN OR OTHER715.2%
STRUCTURE510.9%
ELECTRICAL SYSTEM48.7%
FUEL/PROPULSION SYSTEM48.7%
BACK OVER PREVENTION48.7%
AIR BAGS36.5%

Complaints filed per year

0492020: 52021: 52022: 82023: 62024: 52025: 92026: 8 (partial year)202122232425926
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20205
20215
20228
20236
20245
20259
2026 (year to date)8
Filings in 2023 to 2025 were close to 2020 to 2022 (20 against 18).

Other Mercedes-Benz C-Class model years

Severity index for every other model year on file. Compare all 13 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-08-13. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.