2020 Mercedes-Benz GLB-Class problems and recalls

The 2020 Mercedes-Benz GLB-Class has no recalls on file. Owners have filed 57 complaints, most often on the Structure.

57
Complaints
0
Recalls
2
Crash reports
1
Fire reports
3
Injuries
63.0
Severity index

Severity index 63.0 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 63.0p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 43 of 103 by severity index among 2020 vehicles with at least 40 complaints, highest first. 58% of those vehicles scored lower. Full 2020 ranking.

Components cited in complaints

StructureStructure: 14 complaints (24.6%)14 25%Unknown Or OtherUnknown Or Other: 12 complaints (21.1%)12 21%Electrical SystemElectrical System: 10 complaints (17.5%)10 18%EngineEngine: 9 complaints (15.8%)9 16%Air BagsAir Bags: 7 complaints (12.3%)7 12%SuspensionSuspension: 6 complaints (10.5%)6 11%Fuel/Propulsion SystemFuel/Propulsion System: 4 complaints (7.0%)4 7%SteeringSteering: 3 complaints (5.3%)3 5%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
STRUCTURE1424.6%
UNKNOWN OR OTHER1221.1%
ELECTRICAL SYSTEM1017.5%
ENGINE915.8%
AIR BAGS712.3%
SUSPENSION610.5%
FUEL/PROPULSION SYSTEM47.0%
STEERING35.3%

Complaints filed per year

07142020: 142021: 82022: 102023: 52024: 92025: 52026: 6 (partial year)2014212223242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
202014
20218
202210
20235
20249
20255
2026 (year to date)6
Filings in 2023 to 2025 ran 0.6x those in 2020 to 2022 (19 against 32).

Other Mercedes-Benz GLB-Class model years

Severity index for every other model year on file. Compare all 3 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-08-21. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.