2019 Mercedes-Benz GLS-Class
The Verdict
Worst problem area
Engine
Engine leads by volume: 8 of 28 complaints (29%) mention it.
Complaints filed rose from 22 in 2018 to 28 in 2019.
Data last changed . Sources: NHTSA complaints and recalls, EPA fuel economy data. Methodology
Cost, Fuel Economy & Complaint History
| Category | 2017 | 2018 | 2019 | 2020 | 2021 | vs. 2019 Standard Sport Utility Vehicle 4WD |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 4,100–5,550 | 4,100–5,150 | 4,300–5,150 | 3,700–4,300 | 3,700–4,850 | |
| Combined MPG | 14–19 | 15–19 | 15–18 | 18–21 | 16–21 | |
| City / Highway MPG | 13–17 / 17–22 | 13–17 / 18–22 | 13–16 / 18–22 | 16–19 / 21–23 | 14–20 / 18–24 | |
| CO₂ tailpipe (g/mi) | 477–615 | 477–591 | 488–601 | 429–487 | 414–559 | |
| Complaints filed | 42 | 22 | 28 | 36 | 37 | |
| Recalls issued | 10 | 4 | 3 | 22 | 12 | |
| Crash-involved complaints | 1 | 1 | 1 | 3 | 2 | |
| Fire-involved complaints | 6 | 3 | 2 | 1 | 2 | |
| Injuries reported | 2 | 0 | 2 | 3 | 3 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 3 | 3 | 3 | 2 | 4 |
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 2019 Mercedes-Benz GLS-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 2019 Mercedes-Benz GLS-Class?
Engine: 8 of 28 NHTSA complaints (29%) mention it.
What gas mileage does the 2019 Mercedes-Benz GLS-Class get?
EPA rates it 15–18 MPG combined across 3 configurations.
How much does it cost to fuel a 2019 Mercedes-Benz GLS-Class?
EPA estimates $4,300–$5,150 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (3)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic 9-spd | 6 | 3.0L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 16 mpg (high) | 22 mpg (high) | 18 mpg (high) | $4,300 (low) | 488 g/mi (low) |
| Configuration 2 | Automatic 9-spd | 8 | 4.7L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 14 mpg | 19 mpg | 16 mpg | $4,850 | 572 g/mi |
| Configuration 3 | Automatic 7-spd | 8 | 5.5L | 4-Wheel Drive | Premium | Standard Sport Utility Vehicle 4WD | 13 mpg (low) | 18 mpg (low) | 15 mpg (low) | $5,150 (high) | 601 g/mi (high) |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 8 | 0 | 1 | 0 | 0 |
| Transmission & Drivetrain | 3 | 0 | 0 | 0 | 0 |
| Fuel System | 1 | 1 | 0 | 2 | 0 |
| Electrical | 3 | 0 | 0 | 0 | 0 |
| Brakes | 2 | 0 | 0 | 0 | 0 |
| Steering | 2 | 0 | 1 | 0 | 0 |
| Suspension, Wheels & Tires | 6 | 0 | 1 | 0 | 0 |
| Airbags & Restraints | 2 | 1 | 0 | 2 | 0 |
| Driver Assistance & Speed Control | 3 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 3 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 6 | 0 | 0 | 0 | 0 |
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)
ELECTRICAL SYSTEM:WIRING · Campaign 24V207000 · Mar 18, 2024
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 GLE 350, 2020-2024 GLE 450, 2020-2023 GLS 580, GLE 580, 2019-2023 GLS 450, 2021-2023 Maybach GLS 600, AMG GLS 63, 2021-2024 AMG GLE 53, AMG GLE 53 Coupe, and AMG GLE 63 S vehicles. A 48-Volt ground connection under the passenger seat may not be secured properly, resulting in the ground connection overheating.
Consequence: An overheated ground connection can increase the risk of a fire.
Remedy: Dealers will inspect and tighten the 48-Volt ground connection as necessary, free of charge. Owner notification letters were mailed on May 3, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2024040002.
ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATION: AUTO CRASH NOTIFICATION · Campaign 22V365000 · May 23, 2022
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Consequence: A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
Remedy: The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.
ELECTRICAL SYSTEM:SOFTWARE; COMMUNICATION: AUTO CRASH NOTIFICATION · Campaign 21V058000 · Feb 8, 2021
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
Consequence: Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.
Remedy: MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.