Total Complaints
2 filings
MERCEDES-BENZ AMG GLS63 · model year
2026 MERCEDES-BENZ AMG GLS63
2 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2026MERCEDES-BENZAMG GLS63 carries 2 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2026 AMG GLS63 is power train with 1 filings, followed by engine (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 15 investigation files overlapping the 2026 AMG GLS63. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
2
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| POWER TRAIN | 1 |
| ENGINE | 1 |
Recent Complaints
20251205POWER TRAIN
My vehicle has violently jolted 10+ times while driving at low speeds (15â30 mph) in all drive modes. The jolting is severe enough to feel like being rear-ended and poses an immediate safety hazard. The check engine light came on during one incident. My dealership told me they cannot diagnose or repair the vehicle because they do not yet have software for 2026 Mercedes models, leaving the vehicle unrepairable and unsafe to operate. I no longer feel safe driving this vehicle and am requesting investigation and manufacturer action.
20251205ENGINE
My vehicle has violently jolted 10+ times while driving at low speeds (15â30 mph) in all drive modes. The jolting is severe enough to feel like being rear-ended and poses an immediate safety hazard. The check engine light came on during one incident. My dealership told me they cannot diagnose or repair the vehicle because they do not yet have software for 2026 Mercedes models, leaving the vehicle unrepairable and unsafe to operate. I no longer feel safe driving this vehicle and am requesting investigation and manufacturer action.
Compare 2026MERCEDES-BENZAMG GLS63 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2026 MERCEDES-BENZ AMG GLS63 have?▼
The 2026 MERCEDES-BENZ AMG GLS63 has 2 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2026 MERCEDES-BENZ AMG GLS63?▼
The most-complained component for the 2026 MERCEDES-BENZ AMG GLS63 is POWER TRAIN with 1 complaints. Other frequently reported areas include ENGINE.
Is the 2026 MERCEDES-BENZ AMG GLS63 safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.