2019 Mercedes-Benz GLS 450 problems
The 2019 Mercedes-Benz GLS 450 has 32 complaints on file with NHTSA. The largest share (19%) concerns engine. After that come drivetrain & axles (9%) and electrical system (9%).
At a glance
- Complaints
- 32 filed with NHTSA
- Most reported
- Engine 19% of complaints
- Crashes and fires
- 2 and 1
- Injuries and deaths
- 4 and 0
- Typical mileage
- 15,000 miles 11 complaints with mileage
Source: NHTSA owner complaints
Where the complaints are
Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.
When problems show up
View the numbers
| Mileage | Complaints |
|---|---|
| 0k to 20k miles | 6 |
| 20k to 40k miles | 3 |
| 40k to 60k miles | 1 |
| 60k to 80k miles | 0 |
| 80k to 100k miles | 1 |
| 100k to 120k miles | 0 |
| 120k to 140k miles | 0 |
| 140k to 160k miles | 0 |
| 160k to 180k miles | 0 |
| 180k to 200k miles | 0 |
| 200k+ miles | 0 |
What the data shows
Among the 11 complaints that report mileage, the typical (median) problem appeared at about 15,000 miles.
Safety-related details: 2 complaints mention a crash; 1 complaint mentions a fire; 4 injuries reported.
Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2019 ranks 4th most-complained-about out of 4 model years of the Mercedes-Benz GLS 450 with enough data (26 complaints in that window). It is also covered by 3 safety recall campaigns.
What owners wrote
A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.
Tl* the contact owned a 2019 mercedes-benz gls450. The contact stated while his wife was driving 25 MPH, the vehicle crashed into another vehicle. The air bags failed to deploy. The driver and front passenger sustained injuries to the head however, medical attention was not sought. A police report was filed. The vehicle was towed to an independent auto body shop. The local dealer was not contacted. The vehicle was not diagnosed nor repaired. The manufacturer was notified of the failure.
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.
Driving on freeway at ̃75MPH toward 202 w arizona freeway, dashboard showed a "engine malfunction + 48 v battery see operator's manual:. 1 minute later another error on screen saying, coolant off turn engine off. Then the car lost the power in the middle lane off freeway. Luckily no cars behind us. Car in service at mercedes dealer in chandler az
The contact owns a 2019 Mercedes-Benz GLS450. The contact stated upon starting the vehicle, the check engine warning light illuminated intermittently. The contact stated that the failure had become consistent. The vehicle was taken to the dealer, where it was diagnosed that the engine oil pump valve and the camshaft adjuster had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance.