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Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
NHTSA has logged 18 owner complaints about the 2015 Mercedes-Benz GL450, most often about the engine. It is covered by 3 safety recalls, and for recall 16V-900 the manufacturer reports only 73% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through March 31, 2026. Updated daily.
18 complaints grouped by the system owners reported.
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 7 | 3 |
| Suspension | 3 | 0 |
| Seats | 3 | 0 |
| Power train | 2 | 1 |
| Electrical system | 2 | 0 |
| Visibility/wiper | 1 | 0 |
| Electronic stability control (ESC) | 1 | 0 |
| Steering | 1 | 0 |
| Structure | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
Risk. An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Risk. The leaking oil in the presence of an ignition source can increase the risk of a fire.
Risk. If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Mercedes-Benz.
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the GL450 median. How we score
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
My 2015 Mercedes-Benz GLE 450 experienced an unexpected vehicle fire on Feb 13th 2026. The vehicle was just parked when I noticed smoke from the engine. The vehicle caught fire within a short period of time, and 911 was called. There was no known external cause for the fire. The incident appeared…
To Whom It May Concern: I am writing to formally request the National Highway Traffic Safety Administration’s assistance regarding a critical safety defect in my 2015 Mercedes‑Benz GL 450 (M278 engine). I purchased this vehicle in October 2024 with 76,000 miles, and it now has about 87,000 miles.…
The contact owns 2015 Mercedes-Benz GL450. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, where DTC code: P060A00 was retrieved. The dealer determined that the solenoid valve had failed and needed to be replaced. The contact related the…
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.