2019 Mercedes-Benz GLS450
Only 4 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 4 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2016 | 0 |
| 2017 | 34 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 30 |
KNOWN PROBLEM AREAS
Only 4 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 4 total reports mentions: vehicle speed control.
1 of 4 total reports mentions: service brakes.
1 of 4 total reports mentions: fuel system, gasoline.
CRASH INJURYShow complaint excerpts
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.
NHTSA ODI report, 20210129
1 of 4 total reports mentions: engine.
Show complaint excerpts
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.
NHTSA ODI report, 20191211
1 of 4 total reports mentions: electrical system.
SAFETY TIMELINE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles.
Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267.
Campaign 21V058000 — check if this car was fixed
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles.
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022.
Campaign 22V365000 — check if this car was fixed
BUY-SMART CHECKLIST
2019 Mercedes-Benz GLS450 — pre-purchase inspection
- Test/inspect for vehicle speed control issues (1 reports on file for this year).
- Test/inspect for service brakes issues (1 reports on file for this year).
- Test/inspect for fuel system, gasoline issues (1 reports on file for this year).
- Verify recall 21V058000 (communication, electrical system) has been completed.
- Verify recall 22V365000 (communication, electrical system) has been completed.
FAQ
Is the 2019 Mercedes-Benz GLS450 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2019 Mercedes-Benz GLS450?
The most-reported component is vehicle speed control, accounting for 25% of complaints on file.
How many recalls does the 2019 Mercedes-Benz GLS450 have?
2 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.