2015 Mercedes-Benz GL450
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 |
|---|---|
| 2010 | 42 |
| 2011 | 55 |
| 2012 | 45 |
| 2013 | 37 |
| 2014 | 21 |
| 2015 | 18 |
| 2016 | 13 |
| 2017 | 1 |
KNOWN PROBLEM AREAS
Only 18 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
7 of 18 total reports mention: engine.
FIRE INJURYShow complaint excerpts
My 2015 Mercedes-Benz GLE 450 experienced an unexpected vehicle fire on Feb 13th 2026. The vehicle was just parked when I noticed smoke from the engine. The vehicle caught fire within a short period of time, and 911 was called.
NHTSA ODI report, 20260331
The contact owned a 2015 Mercedes-Benz GL450. The contact stated that the vehicle was in the dealer for 12 days for an oil change.
NHTSA ODI report, 20230109
PLASTIC COOLANT UNION ON RADIATOR HOSE GOING FROM THE COOLANT EXPANSION TANK TO THE ELECTRIC AUXILIARY COOLANT PUMP CATASTROPHICALLY FAILED WHEN I WAS CHANGING THE LH DRIVER SIDE FRONT HEADLIGHT BULB.
NHTSA ODI report, 20210201
3 of 18 total reports mention: suspension.
Show complaint excerpts
GL 450 WITH VIN [XXX] EXPERIENCED EXACT PROBLEM DEFINED BY NHTSA RECALL # 18V272 IN MAY 2018 (2 OR 3 WEEKS PRIOR TO RECEIVING RECALL NOTICE FROM MERCEDES-BENZ USA).
NHTSA ODI report, 20180820
2 of 18 total reports mention: seats.
Show complaint excerpts
TRIED TO INSTALL CHILD SAFETY SEATS IN 2ND ROW SEATS. THE 2ND ROW HEADRESTS PREVENT THE PROPER INSTALLATION OF THE CHILD SAFETY SEATS.
NHTSA ODI report, 20150102
2 of 18 total reports mention: power train.
CRASHShow complaint excerpts
TL* THE CONTACT OWNS A 2015 MERCEDES BENZ GL450. WHILE IN PARK, THE VEHICLE STARTED TO ROLL FORWARD AS IF THE VEHICLE WERE IN DRIVE. THE VEHICLE ROLLED OVER A CURB AND CRASHED INTO A TREE.
NHTSA ODI report, 20150623
2 of 18 total reports mention: electrical system.
SAFETY TIMELINE
Mercedes-Benz USA, LLC.
Remedy: MBUSA will notify owners, and dealers will replace the axle carrier bolts, free of charge. The recall is began February 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
Campaign 16V900000 — 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
BUY-SMART CHECKLIST
2015 Mercedes-Benz GL450 — pre-purchase inspection
- Test/inspect for engine issues (7 reports on file for this year).
- Test/inspect for suspension issues (3 reports on file for this year).
- Test/inspect for seats issues (2 reports on file for this year).
- Verify recall 16V900000 (power train) has been completed.
- Verify recall 18V272000 (suspension) has been completed.
- Verify recall 19V787000 (communication) has been completed.
FAQ
Is the 2015 Mercedes-Benz GL450 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 2015 Mercedes-Benz GL450?
The most-reported component is engine, accounting for 39% of complaints on file.
How many recalls does the 2015 Mercedes-Benz GL450 have?
3 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.