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What 34 owners told NHTSA about the 2015 Mercedes-benz Gl-class

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 (34)Crash / fire / injury (6)Engine (14)Electrical system (4)Seats (4)Suspension (3)Body & structure (2)Fuel system (2)Speed control (2)Transmission & drivetrain (2)Visibility & wipers (2)Electronic Stability Control (esc) (1)

2 of 34 complaints match · Body & structure · clear filters

Jun 22, 2022Body & structureEngineFire

As I was driving down the freeway the whole vehicle caught on fire and we got out of the car and within 2-3 minutes while car was burned to ashes.

NHTSA ODI 11470389

Mar 17, 2022Electrical systemBody & structureEngine

The rubber sealing around the lift gate failed on the vehicle and water seeped inside the vehicle and entire bottom of the vehicle underneath the floor board thereby damaging the electronic components, engine wire harness and headliner thereby rendering the vehicle was beyond repair. This issue led to mold to grow on the roof liner inside and on the seats which caused breathing issues for me and my family. This put our safety at risk! After talking the vehicle to authorized Mercedes Benz dealer in San Jose CA I was told that this is a known defect with the vehicle about which Mercedes Benz Inc is well aware for years and has not fixed it or recalled vehicles having this safety issue. I had purchased this vehicle from Mercedes Benz of Pleasanton on 6/10/2015 as Certified Pre Owned (CPO) but I was not informed that this safety issue existed. I was informed by Mercedes Benz of San Jose that the vehicle could not be repaired as mold would pose a health hazard for the occupants and the vehicle was deemed to be beyond repair and totaled. I had also purchased extended warranty at the time of purchase in 2015 but the dealership did not honor it for repairs.

NHTSA ODI 11457171

Working with the data? Download all 34 complaints as CSV · fetched from NHTSA July 26, 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 2015 Mercedes-benz Gl-class verdict →