2017 Mercedes-Benz GLS450
Not enough comparison years on file yet 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.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2016 | 0 |
| 2017 | 35 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 30 |
KNOWN PROBLEM AREAS
Percentages can add to more than 100% -- a complaint can name more than one system.
23% of complaints: engine — 8 distinct reports on file.
FIRE INJURYShow complaint excerpts
On 8/20/2026 I had a vacuum leak from the intake manifold and crankcase hoses repaired at a Vic's Bimmer Shop in the city of Lancaster California. This included the replacement of the oil separator breather on the engine.
NHTSA ODI report, 20260830
Also filed under FUEL/PROPULSION SYSTEM
Fire started in the Engine and consumed the entire vehicle in less than 5 minutes
NHTSA ODI report, 20241015
Also filed under ELECTRICAL SYSTEM and FUEL/PROPULSION SYSTEM
I DROVE UP AND DOWN THE WESTERN UNITED STATES ON HIGHWAYS AND CITY STREETS. I DROVE 16 HOURS A DAY FOR ABOUT 1 WEEK. I RECEIVED A CHECK ENGINE LIGHT WITH A WARNING THAT THERE WAS A SMALL EVAP LEAK.
NHTSA ODI report, 20200510
23% of complaints: electrical system — 8 distinct reports on file.
FIREShow complaint excerpts
VEHICLE IS ONLY 3 WEEKS OLD. A FAULTY ENGINE WIRE HARNESS CAUSED THE VEHICLE TO CEASE OPERATING IN TRAFFIC AND PUT MY FAMILY IN A POTENTIALLY LIFE THREATENING SITUATION.
NHTSA ODI report, 20161212
17% of complaints: exterior lighting — 6 distinct reports on file.
14% of complaints: fuel/propulsion system — 5 distinct reports on file.
FIRE11% of complaints: steering — 4 distinct reports on file.
SAFETY TIMELINE
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE 400 4Matic, GLE 350 4Matic, GLE 350, GLE 550E 4Matic, GLE 63 AMG, GLE 63S AMG, GLE 43 AMG 4Matic Coupe, GLE 63S AMG 4Matic Coupe, GLS 450 4Matic, GLS 550 4Matic, and GLS 63 AMG 4Matic...
Remedy: MBUSA will notify owners, and dealers will modify the center console so that it remains latched in a crash, free of charge. The recall is expected to begin in early March 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Campaign 17V077000 — check if this car was fixed
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 GLE300d 4Matic, GLE400 4Matic, GLE350 4Matic, GLE63 AMG, GLE63 AMG Coupe, GLE63S AMG and GLE63S AMG Coupe, and 2017 GLS450 4Matic, GLE550 4Matic, and GLE63 AMG 4Matic vehicles.
Remedy: MBUSA will notify owners, and dealers will remove any excess bulkhead insulation and rework the windshield bonding, as necessary, free of charge. Interim owner letters will be mailed in December 2017.
Campaign 17V655000 — check if this car was fixed
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017 GLE400 4Matic, GLE350 4Matic, GLE350, GLE550e 4Matic, GLE43 AMG 4Matic, GLE63 AMG 4Matic, GLS450, GLE63S 4Matic, GLS63 4Matic, S550e, S600, S63 AMG 4Matic, S65 AMG, S550, Mercedes-Maybach...
Remedy: MBUSA will notify owners, and dealers will inspect the left rear door lock, replacing it as necessary, free of charge. The recall is expected to begin in January 2018. Owners may contact MBUSA customer service at 1-877-496-3691.
Campaign 17V816000 — check if this car was fixed
Mercedes-Benz USA, LLC.
Remedy: MBUSA will notify owners, and dealers will correct the oil level as necessary and replace the reservoir sealing cap to prevent oil foam from leaking out, free of charge. The recall began August 30, 2018.
Campaign 18V272000 — check if this car was fixed
Mercedes-Benz USA, LLC.
Remedy: MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019.
Campaign 19V787000 — check if this car was fixed
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 2017-2019 C300, E300, 2018-2020 CLA250, 2020 CLS450, AMG E53, AMG GT53, GLE450, 2018 AMG E63, AMG GTA, 2017-2020 GLA250, GLC300, 2019 GLC350, AMG GLC43, 2017-2018 GLE350, 2019 AMG GLC 43, GLC350,...
Remedy: MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021.
Campaign 21V072000 — 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
2017 Mercedes-Benz GLS450 — pre-purchase inspection
- Test/inspect for engine issues (8 reports on file for this year).
- Test/inspect for electrical system issues (8 reports on file for this year).
- Test/inspect for exterior lighting issues (6 reports on file for this year).
- Verify recall 17V077000 (latches/locks/linkages) has been completed.
- Verify recall 17V655000 (air bags, visibility) has been completed.
- Verify recall 17V816000 (latches/locks/linkages) has been completed.
- Verify recall 18V272000 (suspension) has been completed.
- Verify recall 19V787000 (communication) has been completed.
- Verify recall 21V058000 (communication, electrical system) has been completed.
- Verify recall 21V072000 (communication) has been completed.
- Verify recall 22V365000 (communication, electrical system) has been completed.
FAQ
Is the 2017 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 2017 Mercedes-Benz GLS450?
The most-reported component is engine, accounting for 23% of complaints on file.
How many recalls does the 2017 Mercedes-Benz GLS450 have?
8 recalls on file for this model year.
Data updated 2026-09-16 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.