2015 Mercedes-Benz GL-Class

No photo available — body style shown for reference.

The Verdict

Worst problem area

Engine

Engine leads by volume: 15 of 35 complaints (43%) mention it.

Complaints filed fell from 39 in 2014 to 35 in 2015.

Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology

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Cost, Fuel Economy & Complaint History

Fuel cost, fuel economy, and complaint history by model-yearScroll sideways to see all 4 years. Fuel figures show the range across trims for years with more than one EPA-rated configuration.
Category2013201420152016vs. 2015 Standard Sport Utility Vehicle 4WD
Annual fuel cost ($)4,850–5,5504,850–5,5504,100–5,5504,100–5,550
Combined MPG14–1614–1614–1914–19
City / Highway MPG13–14 / 17–1913–14 / 17–1913–17 / 17–2113–17 / 17–21
CO₂ tailpipe (g/mi)569–615569–615479–615480–615
Complaints filed52393520Not compared
Recalls issued3337Not compared
Crash-involved complaints2021Not compared
Fire-involved complaints2031Not compared
Injuries reported8110Not compared
Deaths reported0000Not compared
Configurations compared3333

Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.

Common questions

How many recalls does the 2015 Mercedes-Benz GL-Class have?

3 NHTSA recall campaigns as of Sep 16, 2026. Check your VIN with NHTSA to see whether one applies to your car.

What is the most common complaint about the 2015 Mercedes-Benz GL-Class?

Engine: 15 of 35 NHTSA complaints (43%) mention it.

What gas mileage does the 2015 Mercedes-Benz GL-Class get?

EPA rates it 14–19 MPG combined across 3 configurations.

How much does it cost to fuel a 2015 Mercedes-Benz GL-Class?

EPA estimates $4,100–$5,550 a year in fuel costs, using EPA's assumptions.

EPA-Rated Configurations (3)

Every EPA-rated configuration on this page, one row each.A number tagged (low) or (high) is this page’s own cost-table figure of that name, above.
ConfigurationTransmissionCylindersDisplacementDrivetrainFuel TypeVehicle ClassCityHighwayCombinedAnnual Fuel CostCO₂
Configuration 1Automatic 7-spd84.7L4-Wheel DrivePremiumStandard Sport Utility Vehicle 4WD13 mpg (low)18 mpg15 mpg$5,150587 g/mi
Configuration 2Automatic 7-spd63.0L4-Wheel DrivePremiumStandard Sport Utility Vehicle 4WD17 mpg (high)21 mpg (high)19 mpg (high)$4,100 (low)479 g/mi (low)
Configuration 3Automatic 7-spd85.5L4-Wheel DrivePremiumStandard Sport Utility Vehicle 4WD13 mpg (low)17 mpg (low)14 mpg (low)$5,550 (high)615 g/mi (high)

Complaints by Category

Complaints by category, in the same fixed order on every page
CategoryComplaintsCrash-InvolvedFire-InvolvedInjuriesDeaths
Engine150310
Transmission & Drivetrain21000
Fuel System20000
Electrical40000
Brakes20000
Steering10000
Suspension, Wheels & Tires30000
Airbags & Restraints00000
Driver Assistance & Speed Control21000
Body, Seats & Latches70100
Visibility & Lighting20000
Other50200

A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.

Recalls (3)

  • COMMUNICATION · Campaign 19V787000 · Nov 4, 2019

    Defect: 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

    Consequence: An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

    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. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2019120008.

  • SUSPENSION:FRONT · Campaign 18V272000 · May 2, 2018

    Defect: 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.

    Consequence: The leaking oil in the presence of an ignition source can increase the risk of a fire.

    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. 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 · Campaign 16V900000 · Dec 14, 2016

    Defect: 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.

    Consequence: 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.

    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.