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2019 Mercedes-Benz GLS450
The 2019 Mercedes-Benz GLS450 appears in 2 NHTSA recall campaigns (communication and electrical system) and in 0 consumer complaints filed with the agency.
No consumer complaints for this model year are in the NHTSA file.
Complaints are consumer reports and have not been verified by NHTSA. Recall text is the manufacturer's Part 573 report as filed with NHTSA. Complaint file through 15 May 2019; recall file through 29 Sep 2026.
Recalls by model year:
Recall campaigns
Defect, as filed: 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.
Filed by Mercedes-Benz USA, LLC (manufacturer campaign See Recall Schedule); components: communication: auto crash notification; electrical system:software.
Defect, as filed: 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.
Filed by Mercedes-Benz USA, LLC (manufacturer campaign 2021020025); components: electrical system:software; communication: auto crash notification.
Each entry links to the NHTSA record. NHTSA states that safety recall repairs are free of charge at an authorised dealer; check a specific vehicle by VIN at nhtsa.gov/recalls.
Complaints by component
No consumer complaints for this model year are in the NHTSA file.
Investigations
No NHTSA Office of Defects Investigation action in the current file names this model year.
Other Mercedes-Benz GLS450 model years
| Model year | Recalls | Complaints | Units in campaigns |
|---|---|---|---|
| 2016 NHTSA | 1 | 0 | 4 |
| 2017 | 8 | 15 | 1,587,200 |
| 2019 | 2 | 0 | 1,534,980 |
| 2020 | 2 | 0 | 15,900 |
| 2021 | 12 | 0 | 2,548,267 |
Model years with a single campaign and fewer than 25 complaints have no page here; the NHTSA link opens the agency's record for that year.
All Mercedes-Benz GLS450 model years · Mercedes-Benz: 282 model lines
Questions and answers
How many recalls does the 2019 Mercedes-Benz GLS450 have?
2 NHTSA recall campaigns name this model year; the most recent, 22V365000, was reported to NHTSA on 20 May 2022 and concerns communication: auto crash notification. Across all model years the Mercedes-Benz GLS450 line has 20 campaigns.
Is there an open NHTSA investigation into the 2019 Mercedes-Benz GLS450?
No NHTSA investigation in the current file names this model year.
What component do owners of the 2019 Mercedes-Benz GLS450 complain about most?
No complaints for this model year are in the NHTSA file.
How do I get a recall repaired?
NHTSA states that safety recall repairs are performed free of charge by the manufacturer's authorised dealers. Each campaign's remedy text above is the manufacturer's statement as filed with NHTSA. Check your VIN at nhtsa.gov/recalls to see whether a specific vehicle has an unrepaired recall.
Where does this data come from?
NHTSA's Office of Defects Investigation recall, complaint and investigation flat files, public domain, downloaded 29 Sep 2026. Complaint counts are unique complaint numbers per make, model and model year; component figures count each component a complaint names. The NHTSA record linked from each campaign is authoritative.
Provenance
Source: National Highway Traffic Safety Administration, Office of Defects Investigation flat files (recalls, complaints, investigations), public domain, files dated 29 Sep 2026 (recalls) and 15 May 2019 (complaints). Complaints since 1 Jan 1995. Counts are unique complaint numbers per make, model and model year; per-1,000 rates divide a component's mentions by all mentions for the same group. Errors in processing are corrected at the next daily build; see corrections and the methodology.