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What 3 owners told NHTSA about the 2025 Mercedes-benz GLS 580

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (3)Crash / fire / injury (2)Latches & locks (1)Transmission & drivetrain (1)Wheels (1)

1 of 3 complaints match · Wheels · clear filters

Jun 16, 2026WheelsCrash2 injuries

After changing the tires on my G580 at my local Mercedes dealer on December 26, 2025, on the ride home, about 10 minutes after leaving the dealership, my left rear wheel detached from the vehicle. It hit oncoming traffic and caused an accident. My axle hit the ground after the wheel came off and dug a long and deep trench in the road, releasing vaporized asphalt and metal (from the axle, which got shaved down) into the cabin. I breathed this vapor for several minutes before it dissipated (it was 8 degrees F outside, so I couldn't wait outside the car). I ended up in the ER later that night with smoke inhalation symptoms and have sought medical treatment since.

NHTSA ODI 11744611

Working with the data? Download all 3 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2025 Mercedes-benz GLS 580 verdict →