2020 Mercedes-Benz GLE 350 engine problems
33 owner complaints filed with NHTSA name the engine on the 2020 Mercedes-Benz GLE 350 — 37% of all complaints for this model year.
What owners report
“I keep getting coolant level low. I add coolant fluid into the tank and the warning message comes up again. I see no leaks under my vehicle so not sure if there’s a leak inside the tank itself or air leak somewhere but I’ve gotten that warning message about 10 or more times. Also as im driving the…”
filed Jul 29, 2026
“The engine in my 2020 Mercedes-Benz GLE 350 experienced catastrophic internal failure while driving. No warning lights or check engine indicators came on. Prior to failure, the vehicle began making a loud metallic knocking/rattling sound during acceleration, similar to “rocks shaking in a box.”…”
filed May 28, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other GLE 350 years
| Year | Reports | Share |
|---|---|---|
| 2022 GLE 350 | 7 | 21% |
| 2021 GLE 350 | 22 | 46% |
| 2018 GLE 350 | 1 | 3% |
Other reported problem areas on the 2020 Mercedes-Benz GLE 350
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.