2020 Mercedes-Benz GLC-Class problems and recalls

Owners filed 44 complaints on the 2020 Mercedes-Benz GLC-Class in the last three full years, out of 80 on record. The most cited component is the Engine.

80
Complaints
0
Recalls
3
Crash reports
2
Fire reports
4
Injuries
65.0
Severity index

Severity index 65.0 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 65.0p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 40 of 103 by severity index among 2020 vehicles with at least 40 complaints, highest first. 61% of those vehicles scored lower. Full 2020 ranking.

Components cited in complaints

EngineEngine: 27 complaints (33.8%)27 34%Unknown Or OtherUnknown Or Other: 16 complaints (20.0%)16 20%Electrical SystemElectrical System: 10 complaints (12.5%)10 12%Back Over PreventionBack Over Prevention: 8 complaints (10.0%)8 10%Forward Collision Avoid…Forward Collision Avoidance: 6 complaints (7.5%)6 8%Power TrainPower Train: 6 complaints (7.5%)6 8%Exterior LightingExterior Lighting: 5 complaints (6.2%)5 6%SteeringSteering: 5 complaints (6.2%)5 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE2733.8%
UNKNOWN OR OTHER1620.0%
ELECTRICAL SYSTEM1012.5%
BACK OVER PREVENTION810.0%
FORWARD COLLISION AVOIDANCE67.5%
POWER TRAIN67.5%
EXTERIOR LIGHTING56.2%
STEERING56.2%

Complaints filed per year

010202020: 52021: 92022: 132023: 112024: 132025: 202026: 9 (partial year)2021222324252026
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20205
20219
202213
202311
202413
202520
2026 (year to date)9
Filings in 2023 to 2025 ran 1.6x those in 2020 to 2022 (44 against 27).

Other Mercedes-Benz GLC-Class model years

Severity index for every other model year on file. Compare all 7 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-09-03. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.