2019 Mercedes-Benz GLS 450
Only 18 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 18 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 |
|---|---|
| 2018 | 14 |
| 2019 | 18 |
| 2020 | 35 |
| 2022 | 14 |
| 2023 | 7 |
| 2024 | 14 |
KNOWN PROBLEM AREAS
Only 18 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
3 of 18 total reports mention: engine and engine cooling.
FIREShow complaint excerpts
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.
NHTSA ODI report, 20221018
2 of 18 total reports mention: suspension.
2 of 18 total reports mention: engine.
2 of 18 total reports mention: electrical system.
Show complaint excerpts
At first, the parking brake assist would appear when vehicle was put into park or when starting. We would have to release the parking brake each time.
NHTSA ODI report, 20231011
2 of 18 total reports mention: back over prevention.
SAFETY TIMELINE
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
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles.
Remedy: Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
Campaign 24V207000 — check if this car was fixed
BUY-SMART CHECKLIST
2019 Mercedes-Benz GLS 450 — pre-purchase inspection
- Test/inspect for engine and engine cooling issues (3 reports on file for this year).
- Test/inspect for suspension issues (2 reports on file for this year).
- Test/inspect for engine issues (2 reports on file for this year).
- Verify recall 22V365000 (communication, electrical system) has been completed.
- Verify recall 24V207000 (electrical system) has been completed.
FAQ
Is the 2019 Mercedes-Benz GLS 450 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 GLS 450?
The most-reported component is engine and engine cooling, accounting for 17% of complaints on file.
How many recalls does the 2019 Mercedes-Benz GLS 450 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.