2019 Mercedes-Benz GLS 450 recalls and problems

The 2019 Mercedes-Benz GLS 450 has 3 recalls and 26 owner complaints on file with NHTSA; the most reported problem area is unknown or other.

2020 Mercedes-Benz Gls 450
Pictured: a 2020 model; the 2019 may differ in details. Photo: 2020 Mercedes-Benz Gls 450 by Kevauto, CC BY-SA 4.0, via Wikimedia Commons
How the 2019 compares
Fewest complaintsMost complaints

Low complaint count among 5 GLS 450 model years — 4th most.

3recalls
26complaints
1crashes
1fires
2injuries
38,000median miles

Owner complaints filed with NHTSA, not verified and not adjusted for sales. Ranking compares this model's own years only.

Does your car have an open recall?
Recalls apply to specific vehicles. Only a VIN lookup on NHTSA's official site shows whether yours is affected and still unrepaired.
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3 recalls

Electrical System

Mar 15, 2024 · NHTSA campaign 24V207000 · 116,020 vehicles

Problem: 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.

Risk: An overheated ground connection can increase the risk of a fire.

Remedy & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Communication

May 20, 2022 · NHTSA campaign 22V365000 · 242,722 vehicles

Problem: 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.

Risk: 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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Communication

Feb 5, 2021 · NHTSA campaign 21V058000 · 1,292,258 vehicles

Problem: 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.

Risk: 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 & notes

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.

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.

Recall text as published by NHTSA and the manufacturer.

What owners complain about

Owner complaints filed with NHTSA; one complaint can name several areas. Not verified by NHTSA.

Complaints by year filed

2019: 2 complaints20192022: 4 complaints20222023: 3 complaints20232024: 5 complaints20242025: 2 complaints20252026: 7 complaints202672020: 2 complaints20202021: 1 complaints20211

2019 vs. other Mercedes-Benz GLS 450 years

Owner complaints by model year; the darker bar is the 2019. Click a bar to switch year.

Questions

Does the 2019 Mercedes-Benz GLS 450 have recalls?

Yes — NHTSA lists 3 recall campaigns covering the 2019 Mercedes-Benz GLS 450, the latest from Mar 15, 2024 (electrical system). A recall applies to specific vehicles: enter your VIN at nhtsa.gov/recalls to see whether yours is affected and still open.

What are the most common problems with the 2019 Mercedes-Benz GLS 450?

Owner complaints filed with NHTSA most often mention unknown or other (8), engine (6), electrical system (5). Complaints are consumer reports and are not verified by NHTSA.