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What 26 owners told NHTSA about the 2019 Mercedes-benz GLS
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.
1 of 26 complaints match · Engine & cooling · crash/fire/injury only · clear filters
Oct 18, 2022Engine & coolingFire
The contact's client owns a 2019 Mercedes Ben GLS450. The contact stated that while the owner was driving at an undetermined speed, the vehicle began to smoke and caught fire. There were no warning indicator lights illuminated. There were no injuries or air bag deployment. A police report was filed. The fire department extinguished the fire. The vehicle was towed to an undisclosed location. The local dealer was contacted but the vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 31,415.
NHTSA ODI 11489772
Working with the data? Download all 26 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 2019 Mercedes-benz GLS verdict →