2017 Mercedes-Benz GLS-Class problems and recalls

The 2017 Mercedes-Benz GLS-Class has no recalls on file. Owners have filed 42 complaints, most often on the Unknown Or Other.

42
Complaints
0
Recalls
1
Crash reports
6
Fire reports
2
Injuries
82.4
Severity index

Severity index 82.4 High. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 82.4p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Ranked 34 of 137 by severity index among 2017 vehicles with at least 40 complaints, highest first. 75% of those vehicles scored lower. Full 2017 ranking.

Components cited in complaints

Unknown Or OtherUnknown Or Other: 10 complaints (23.8%)10 24%EngineEngine: 9 complaints (21.4%)9 21%Electrical SystemElectrical System: 8 complaints (19.0%)8 19%Fuel/Propulsion SystemFuel/Propulsion System: 6 complaints (14.3%)6 14%Exterior LightingExterior Lighting: 6 complaints (14.3%)6 14%SteeringSteering: 4 complaints (9.5%)4 10%SeatsSeats: 3 complaints (7.1%)3 7%Power TrainPower Train: 3 complaints (7.1%)3 7%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
UNKNOWN OR OTHER1023.8%
ENGINE921.4%
ELECTRICAL SYSTEM819.0%
FUEL/PROPULSION SYSTEM614.3%
EXTERIOR LIGHTING614.3%
STEERING49.5%
SEATS37.1%
POWER TRAIN37.1%

Complaints filed per year

0362016: 32017: 62018: 42019: 52020: 52021: 22022: 32023: 22024: 32025: 52026: 4 (partial year)16176181920212223242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20163
20176
20184
20195
20205
20212
20223
20232
20243
20255
2026 (year to date)4
Filings in 2023 to 2025 were close to 2020 to 2022 (10 against 10).

Other Mercedes-Benz GLS-Class model years

Severity index for every other model year on file. Compare all 6 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.