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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 · Transmission & drivetrain · clear filters

Jul 14, 2026Transmission & drivetrain

I made a left turn and the rear passenger side axle broke. I didn’t hit anything.

NHTSA ODI 11750197

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 →