2019 Mercedes-Benz GLS 450
Only 20 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 20 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 20
- Recalls
- 2
- Investigations
- 0
- Top problem
- —
Too few to rank
Campaigns on file for 2019
None on file
Not enough data
Complaints per year
2019: 20 complaints
View as data table
| Year | Complaints |
|---|---|
| 2018 | 14 |
| 2019 | 20 |
| 2020 | 35 |
| 2022 | 14 |
| 2023 | 7 |
| 2024 | 14 |
Known problem areas
Only 20 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Engine and engine cooling
3 of 20 total reports mention: engine and engine cooling.
Show 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, 2022-10-18
Electrical system
3 of 20 total reports mention: electrical system.
Show complaint excerpts
The AC/Heating control unit failed prematurely at 40,000 miles, causing a complete loss of cabin heat and windshield defrosting capabilities.
NHTSA ODI report, 2026-10-27
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, 2023-10-11
Also filed under Service brakes
Suspension
2 of 20 total reports mention: suspension.
Power train
2 of 20 total reports mention: power train.
Show complaint excerpts
the vehicle suffered a sudden and catastrophic engine failure while being driven on the freeway at about 60mph. The engine seized and the vehicle lost propulsion creating a serious safety…
NHTSA ODI report, 2026-08-25
Engine
2 of 20 total reports mention: engine.
Safety timeline
2 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
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R
2022-07-08Communication, electrical system22V365000 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.
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R
2024-05-03Electrical system24V207000 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.
Buy-smart checklist
2019 Mercedes-Benz GLS 450 — pre-purchase inspection
Inspect
- Engine and engine cooling: 3 reports on file for this year.
- Electrical system: 3 reports on file for this year.
- Suspension: 2 reports on file for this year.
Verify these recalls were completed
- Recall 22V365000 · Communication, electrical system
- Recall 24V207000 · Electrical system
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 15% 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 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.