Mercedes-Benz GLS Problems — All Years, Common Issues & Reliability
Year-by-year breakdown of safety recalls, NHTSA owner complaints, reported deaths, injuries, crashes, and worst problem areas. Updated daily from federal databases.
Own a Mercedes-Benz GLS? Check your specific VIN for a full history report.
Mercedes-Benz GLS — Year-by-Year Problem Comparison
| Year | Verdict | Recalls | Complaints | Crashes | Injuries | Deaths | Top Issue | |
|---|---|---|---|---|---|---|---|---|
| 2026Best | Excellent | — | — | — | — | — | — | Full report → |
| 2025 | Good | — | 8 | — | 2 | — | Electrical System | Full report → |
| 2024 | Excellent | — | 7 | 5 | — | — | Forward Collision Avoidance | Full report → |
| 2023 | Good | 3 | 11 | — | — | — | Engine | Full report → |
| 2022 | Good | 5 | 12 | — | — | — | Forward Collision Avoidance | Full report → |
| 2021 | Caution | 7 | 19 | 1 | 2 | — | Electrical System | Full report → |
| 2020Worst | Avoid | 19 | 31 | 3 | 7 | — | Electrical System | Full report → |
| 2019 | Good | 3 | 12 | 2 | 4 | — | Engine And Engine Cooling | Full report → |
| 2018 | Good | 4 | 16 | 1 | — | — | Electrical System | Full report → |
| 2017 | Caution | 7 | 34 | — | 1 | — | Engine | Full report → |
10 model years shown. Crashes, injuries, and deaths from NHTSA complaint filings. Click any year for full details.
Most Common Mercedes-Benz GLS Problems
Based on 150 owner complaints filed with NHTSA across all model years.
Recent Safety Recalls — Mercedes-Benz GLS (2022–2026)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2023 C-Class, E-Class, S-Class, CLS, SL, GT, GLC, GLE, GLS, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, which can result in a loss of drive power.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 14, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2023070012.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021-2024 GLE, GLS, C-Class, E-Class, S-Class, SL, GLC, CLS, AMG GT, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle details. The fuel pump may shutdown, causing a loss of drive power.
Remedy: Dealers will replace the fuel pump, free of charge. Owner notification letters were mailed on June 28, 2024. Owner notification letters will be mailed in phases, on February 23, 2024, April 19, 2024, June 28, 2024, August 9, 2024, October 1, 2024, and December 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 23V-445.
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.
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.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE350, GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, and 2021 GLE400e, AMG GLS63, AMG GLE63 S, and Maybach GLS600 vehicles. Due to a manufacturing error, the rear door window trim bars may detach.
Remedy: Dealers will inspect and secure the rear window trim bars, as necessary, free of charge. Owner notification letters were mailed November 1, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022090010.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2022 GLE450, GLS450, 2021-2022 AMG GLE53, 2020-2021 GLE580, GLS580, 2021 AMG GLE63, Maybach GLS600 and AMG GLS63 vehicles. A ground cable bolt for the 48V ground connection under the front passenger seat may not be secured properly, which can cause the electrical cable to overheat.
Remedy: Dealers will inspect and tighten the ground cable bolt, as necessary, free of charge. Owner notification letters were mailed July 8, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022040017.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 AMG GLS63, 2020-2022 GLS450 and GLS580 vehicles. Due to a manufacturing error, the locks on the third-row seatbacks may fail in the event of a crash.
Remedy: Dealers will inspect and replace the third-row seatback, as necessary, free of charge. Owner notification letters were mailed November 18, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022100011.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2023 GLE 450 and GLS 450 vehicles. The transmission may not fully downshift in certain conditions, causing the engine to stall.
Remedy: Dealers will update the transmission control unit software, free of charge. Owner notification letters were mailed March 29, 2024. Owners may contact MBUSA customer service at 1-800-367-6372.
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.
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.
Showing 8 recalls from 2022–2026 model years. See the full year-specific pages for older recalls.
GLS Years to Avoid
Best GLS Years to Buy
Mercedes-Benz GLS Problems by Year
Frequently Asked Questions — Mercedes-Benz GLS Reliability
What year GLS has the most problems?
Based on NHTSA data, the 2020 Mercedes-Benz GLS had the highest combined complaint and recall count — 31 complaints and 19 safety recalls. See the full 2020 report for specific defects.
Is the Mercedes-Benz GLS reliable?
The Mercedes-Benz GLS has accumulated 150 owner-filed complaints and 48 safety recalls across all model years in NHTSA's database. The 2026 model year shows the fewest reported issues. Always run a VIN check before purchasing any used GLS.
What are the most common GLS problems?
The most frequently cited problem areas are: Electrical System (25 reports), Engine (18 reports), Unknown Or Other (16 reports), Forward Collision Avoidance (16 reports). Based on NHTSA complaints across all model years.
How do I check if my GLS has an open recall?
Use the vehicle's 17-character VIN at VinCheckEngine.com. Our free VIN report pulls the latest NHTSA recall data along with auction history, odometer records, and 30+ intelligence signals.
Check a Specific Mercedes-Benz GLS VIN
Model-level data shows what can go wrong. A VIN-specific report shows what has gone wrong with a particular vehicle — including auction history, odometer discrepancies, open recalls, accident records, and 30+ intelligence signals.
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