Total Complaints
1 filings
MERCEDES-BENZ GL450 · model year
2017 MERCEDES-BENZ GL450
1 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2017MERCEDES-BENZGL450 carries 1 consumer safety complaint in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 1 fire, 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 2017 GL450 is engine with 1 filings. 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 2017 GL450. 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.
1
Complaints
0
Crashes
1
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 |
|---|---|
| ENGINE | 1 |
Recent Complaints
20191016FireENGINE
TL* THE CONTACT OWNED A 2018 (NA) MERCEDES-BENZ GL450. AFTER ARRIVING HOME AND PARKING THE VEHICLE, IT SPONTANEOUSLY CAUGHT FIRE. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE AIR BAGS DID NOT DEPLOY. THERE WERE NO INJURIES. THE FIRE DEPARTMENT EXTINGUISHED THE FIRE. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT LOT. THE CONTACT CALLED FLAGSHIP MOTORCARS OF LYNNFIELD NORTH (385 BROADWAY RTE. 1, LYNNFIELD, MA 01940, (781) 596-9700) AND INFORMED THEM OF THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED. THE MANUFACTURER WAS CONTACTED AND DID NOT ASSIST. THE INSURANCE COMPANY DEEMED THE VEHICLE A TOTAL LOSS. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 11,000.
Mileage: 11,000
Compare 2017MERCEDES-BENZGL450 to Similar Vehicles
NHTSA Investigations
Frequently Asked Questions
How many complaints does the 2017 MERCEDES-BENZ GL450 have?▼
The 2017 MERCEDES-BENZ GL450 has 1 NHTSA complaints, 0 crashes, 1 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2017 MERCEDES-BENZ GL450?▼
The most-complained component for the 2017 MERCEDES-BENZ GL450 is ENGINE with 1 complaints. Other frequently reported areas include various components.
Is the 2017 MERCEDES-BENZ GL450 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.