NHTSA lists 24 complaints for the 2019 Mercedes-Benz GLS 450, 1 of them mention a crash and 1 mention a fire. 1 complaints mention an injury, with 2 injuries and 0 deaths reported.
Data build 2026-10-10.
NHTSA lists this vehicle as MERCEDES-BENZ GLS 450.
Model-generated complaint tags
These labels are model-generated, not NHTSA data.
Failure modes| Label | Count | Share of tagged | Mean confidence |
|---|
| mechanical failure | 10 | 41.7% | 0.91 |
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| electrical electronic | 7 | 29.2% | 0.72 |
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| fluid or fuel leak | 2 | 8.3% | 0.66 |
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| fire or overheating | 1 | 4.2% | 1.00 |
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| loss of control | 1 | 4.2% | 0.36 |
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| restraint or airbag | 1 | 4.2% | 1.00 |
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| unclear | 1 | 4.2% | 0.88 |
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| visibility or lighting | 1 | 4.2% | 0.75 |
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Severities| Label | Count | Share of tagged | Mean confidence |
|---|
| moderate | 16 | 66.7% | 0.76 |
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| low | 5 | 20.8% | 0.84 |
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| high | 3 | 12.5% | 0.84 |
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Model: typesafe/jev-1.13-20260917; schema version: tag-v1. 24 tagged complaints of 24 complaints (100.0%).
Confidence is the model's own probability for the label it chose (0 to 1), not accuracy.
Model-generated labels on tagged complaints only. Model years 2013 and newer are tagged in full; 2012 in part (see tagged_share); earlier model years have no tags. NHTSA's own flags remain separate in the complaints block.
Recalls
See new recalls and investigations this week.
3 recalls.
Date: 2024-03-15. Systems: ELECTRICAL SYSTEM.
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.
Do not drive: No. Park outside: No.
Date: 2022-05-20. Systems: COMMUNICATION, ELECTRICAL SYSTEM.
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 connecti (excerpt)
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. (excerpt)
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 2 (excerpt)
Do not drive: No. Park outside: No.
Date: 2021-02-05. Systems: COMMUNICATION, ELECTRICAL SYSTEM.
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 veh (excerpt)
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. (excerpt)
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. (excerpt)
Do not drive: No. Park outside: No.
Manufacturer communications
125 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 41 |
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| POWER TRAIN | 24 |
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| EXTERIOR LIGHTING | 14 |
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| SUSPENSION | 12 |
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| ENGINE | 7 |
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| STRUCTURE | 7 |
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| FUEL/PROPULSION SYSTEM | 6 |
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| STEERING | 6 |
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11038185
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Complaint Sporadic warning message in instrument cluster "Engine oil pressure, stop switch off vehicle" (or similar) is shown in red on vehicles with low mileage. Cause Directional control valve may stick. Remedy 1a Read off oil level in instrument cluster and correct if necessary. 2a Perform ap
11038187
Date: 2026-09-26. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic /9Ga TRONIC automatic transmission) and 725.1 (NAG3 facelift/9Ga TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been develop
11038183
Date: 2026-09-25. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
Complaint Noises in the steering column area when steering. See example file in the attachments area: "MRSMa SchleifgerA?usch_SCCMGrindingNoises. MOV". Cause Under analysis. Remedy Check which area of the steering column the noises occur in. Do the noises tend to occur at the bottom in the driver f
11038186
Date: 2026-09-22. Type: Service Bulletin/Repair Instructions. Systems: SERVICE BRAKES.
Complaint Repeat workshop visit for vehicle vibration while braking from 60MPH. NOTE: Although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. Cause Although the cause of the vibra
11037987
Date: 2026-09-14. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Only vehicles with a variable transfer case are affected. This can be identified through control unit N45 or N15/7 in the quick test. When accelerating with light load, vibrations or jolting sensation may come from the drivetrain. It may be mistaken for a harsh shift. Cause Modified oil qu
11037616
Date: 2026-09-04. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Complaint Customer complaints relating to automatic transmission 725.0 (NAG3 Classic / 9Ga TRONIC automatic transmission) and 725.1 (NAG3 facelift/9Ga TRONIC automatic transmission facelift) For faster, more effective and more targeted diagnosis, Intelligent Predictive Repair (IPR) has been develo
11037228
Date: 2026-08-28. Type: Service Bulletin/Repair Instructions. Systems: STEERING.
Complaint During part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. OR i??Rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). Complaint does not impact the ability to safely steer or contro
11036999
Date: 2026-08-15. Type: Warranty Program/Extension. Systems: FUEL/PROPULSION SYSTEM.
Dear Mercedes-Benz Owner: In our continuing efforts to ensure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA is extending the warranty coverage for the Diagnostic Module for Tank Leakage Detection ("DMTL") on your vehicle from the
11036101
Date: 2026-08-06. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
Complaint Clanking noise from the area of the speakers in the doors. Cause Under analysis. Remedy To narrow down the cause, first of all remove the door trim. a ? If the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary
11036190
Date: 2026-08-06. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
Complaint A popup is seen on the HU with the message "data connection temporarily not available". Potentially affected functionalities in NTG4.5, NTG5 1.Weather 2.Local Search 3.IP Radio 4.Send2Car 5.Speech Detection Service 6.Navigation 7.iHeartRadio 8.Traffic Cams Cause MB Apps is sundowned for al