Most common 2015 Mercedes-Benz GL63 problems
Share of the 2 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Mercedes-Benz GL63 complaints by model year
Best GL63 years: 2013, 2015. Compare all years →
2015 Mercedes-Benz GL63 recalls (3)
Communication
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.
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.
Suspension › Front
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…
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.
Power train › Axle assembly › Axle shaft
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.
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.
2015 Mercedes-Benz GL63 engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 5.5L 8-cyl turbo | 7-speed automatic | 4WD | 13 / 17 / 14 |
EPA ratings. Class: SUV.
Frequently asked questions
Is the 2015 Mercedes-Benz GL63 a good car?
Based on 2 owner complaints filed with NHTSA, the 2015 GL63 rates few complaints: 25% fewer complaints than a typical year of the GL63 at the same age. It is one of the best GL63 years by this measure. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2015 Mercedes-Benz GL63?
The electrical system — 2 complaints, 100% of all complaints for this model year. Next is the engine & cooling (2).
How many recalls does the 2015 Mercedes-Benz GL63 have?
There are 3 recalls for the 2015 Mercedes-Benz GL63, the most recent from November 1, 2019 (communication). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Mercedes-Benz GL63?
The best years by complaints, compared at the same age, are 2013 and 2015. See the full Mercedes-Benz GL63 years comparison.
At what mileage do 2015 Mercedes-Benz GL63 problems happen?
The median mileage reported in complaints is about 42,000 miles; 100% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.