2015 Mercedes-Benz GL63 Problems, Complaints & Recalls

Source: NHTSA · Updated Sep 29, 2025 · 2 owner complaints analyzed

Compared with other GL63 years
Not enough data 1st of 4 for complaints
NHTSA crash rating
Not rated

Owners have filed 2 complaints with NHTSA about the 2015 Mercedes-Benz GL63. That is the most of any GL63 model year in the database (4 years). The most reported problem area is electrical system (2 complaints, 100%), typically at around 42,000 miles. There are 3 safety recalls covering this model year.

Complaints are unverified owner reports and are not adjusted for sales volume.

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Most common 2015 Mercedes-Benz GL63 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Electrical System2 · ~42,000 mi
Engine2 · ~42,000 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Electrical System2100%42,000——
Engine2100%42,000——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2020, with 1 complaints
2020: 1202012025: 120251

n = 2 complaints · Source: NHTSA

2015 Mercedes-Benz GL63 recalls (3)

Tap a recall to see the problem, the risk and the fix.

CommunicationNov 1, 2019 · NHTSA campaign 19V787000 · 24,226 vehicles

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:frontApr 27, 2018 · NHTSA campaign 18V272000 · 9,725 vehicles

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 shaftDec 14, 2016 · NHTSA campaign 16V900000 · 48 vehicles

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 GL63 AMG has suffered two separate ECU failures caused by oil migrating through the engine wiring harness. The first failure occurred at ~42,600 miles in 2020, and the second at ~59,000 miles in 2023. Both times, the vehicle developed misfires, check-engine warnings, and…

Electrical System · received Sep 29, 2025 · NHTSA complaint 11690238

The vehicle misfired while driving on city streets and presented a code for faulty ignition coils. Upon inspection, mercedes-benz service center found oil in the engine wiring harness rendering the car undriveable.

Electrical System · received Sep 18, 2020 · NHTSA complaint 11359766

Other Mercedes-Benz GL63 years

← 2014 GL63 · 2016 GL63 →

YearComplaintsRecalls
2016 GL6324
201523
2014 GL6323
2013 GL6313

See all Mercedes-Benz GL63 problems by year, every Mercedes-Benz model, or the Mercedes-Benz VIN decoder.

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Frequently asked questions

What are the most common problems with the 2015 Mercedes-Benz GL63?

Owners most often report electrical system, engine problems. The top one, electrical system, accounts for 2 complaints.

Was there a recall on the 2015 Mercedes-Benz GL63?

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 GL63 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other GL63 model years, the 2015 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.