2015 Mercedes-Benz GL450 Problems, Complaints & Recalls
- Compared with other GL450 years
- Far fewer complaints than other years 8th of 11 for complaints
- Safety recalls
- 3 recalls: check your VIN
- NHTSA crash rating
- Not rated
Owners have filed 18 complaints with NHTSA about the 2015 Mercedes-Benz GL450. That ranks 8th out of 11 GL450 model years for complaints. The most reported problem area is engine (7 complaints, 39%), typically at around 98,115 miles. Complaints mention 1 crash, 2 fires, 1 injury. There are 3 safety recalls covering this model year.
- 18owner complaints
- 3safety recalls
- 0NHTSA investigations
- 1complaints mentioning a crash
Complaints are unverified owner reports and are not adjusted for sales volume.
Most common 2015 Mercedes-Benz GL450 problems
Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.
| Problem area | Complaints | Share | Median miles | Owners mention most | Typical repair cost |
|---|---|---|---|---|---|
| Engine | 7 | 39% | 98,115 | — | — |
| Seats | 3 | 17% | 2,000 | — | — |
| Suspension | 3 | 17% | 65,000 | — | — |
| Unknown or Other | 3 | 17% | 52,015 | — | — |
| Electrical System | 2 | 11% | 25,000 | — | — |
| Power Train | 2 | 11% | 5,000 | — | — |
| Electronic Stability Control (esc) | 1 | 6% | — | — | — |
| Steering | 1 | 6% | — | — | — |
| Structure | 1 | 6% | — | — | — |
| Visibility/wiper | 1 | 6% | — | — | — |
One complaint can list several problem areas, so shares can add up to more than 100%.
Complaints by year received
2015 Mercedes-Benz GL450 recalls (3)
Tap a recall to see the problem, the risk and the fix.
Communication
Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V787-4620.pdf
Risk: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.
Fix: 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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.
Suspension:front
Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2012-2014 ML350 Bluetec 4Matic and ML550 4Matic, 2012-2015 ML63 AMG 4Matic and ML350 4Matic, 2013-2016 GL350 Bluetec 4Matic, GL550 4Matic and GL63 AMG 4Matic, 2017 GLS350d 4Matic, GLS450 4Matic, GLS550 4Matic and GLS63 AMG 4Matic, 2015 ML400 4Matic, 2016 GLE400 4Matic, GLE350 4Matic, GLE63 AMG 4Matic, GLE63S AMG 4Matic, GLE450 4Matic Coupe and GLE63S AMG 4Matic Coupe, 2015-2016 GL450 4Matic and 2013-2014 GL450 4Matic vehicles equipped with the Active Curve System (ACS). In certain driving conditions, if the oil level in the ACS reservoir is below the minimum level, the oil may foam and leak out of the vent holes in the reservoir cap.
Risk: The leaking oil in the presence of an ignition source can increase the risk of a fire.
Fix: 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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018070015.
Power train:axle assembly:axle shaft
Problem: Mercedes-Benz USA, LLC. (MBUSA) is recalling certain model year 2015 GL350 4Matic Blutec, GL450 4Matic, GL550 4Matic, ML250 Blutec, ML350, ML350 4Matic, ML400 4Matic and 2015-2016 GL63 AMG 4Matic vehicles manufactured September 29, 2014 through March 27, 2015. The affected vehicles have axle bolts on the front and/or rear drive axle carriers that may not have been assembled correctly. As a result, the remaining bolts may fracture.
Risk: If any of the remaining front or rear axle bolts fracture, the vehicle may be unstable, reducing the handling capability and increasing the risk of a crash.
Fix: 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.
To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.
Recent owner reports
Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.
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. There was no known external cause for the fire. The incident appeared…
To Whom It May Concern: I am writing to formally request the National Highway Traffic Safety Administrationâs assistance regarding a critical safety defect in my 2015 MercedesâBenz GLâ¯450 (M278 engine). I purchased this vehicle in Octoberâ¯2024 with 76,000 miles, and it now has about 87,000…
The contact owns 2015 Mercedes-Benz GL450. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, where DTC code: P060A00 was retrieved. The dealer determined that the solenoid valve had failed and needed to be replaced. The contact related the…
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. The contact's son drove the vehicle 2 days later, at an undisclosed speed when the vehicle started smoking from the engine. The contact's son pulled over when the…
The rubber sealing around the lift gate failed on the vehicle and water seeped inside the vehicle and entire bottom of the vehicle underneath the floor board thereby damaging the electronic components, engine wire harness and headliner thereby rendering the vehicle was beyond repair. This issue led…
Other Mercedes-Benz GL450 years
| Year | Complaints | Recalls |
|---|---|---|
| 2017 GL450 | 1 | 2 |
| 2016 GL450 | 13 | 5 |
| 2015 | 18 | 3 |
| 2014 GL450 | 21 | 3 |
| 2013 GL450 | 37 | 3 |
| 2012 GL450 | 47 | 3 |
| 2011 GL450 | 55 | 3 |
| 2010 GL450 | 42 | 3 |
| 2009 GL450 | 15 | 3 |
| 2008 GL450 | 55 | 2 |
| 2007 GL450 | 115 | 2 |
See all Mercedes-Benz GL450 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.
Similar Mercedes-Benz models
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Frequently asked questions
What are the most common problems with the 2015 Mercedes-Benz GL450?
Owners most often report engine, seats, suspension problems. The top one, engine, accounts for 7 complaints.
Was there a recall on the 2015 Mercedes-Benz GL450?
Yes, 3 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.
Was the 2015 Mercedes-Benz GL450 a good year?
Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other GL450 model years, the 2015 has far fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.