Does the 2019 Mercedes-Benz GLS450 have any recalls?

Yes. NHTSA lists 3 recalls for the 2019 Mercedes-Benz GLS450, the most recent reported on March 15, 2024 (Electrical system: wiring). Check a specific car by its VIN at nhtsa.gov/recalls.

What are the most common problems with the 2019 Mercedes-Benz GLS450?

Owners have filed 24 complaints with NHTSA. The most frequently reported area is unknown or other (6 complaints), followed by electrical system (3).

How many 2019 Mercedes-Benz GLS450 complaints mention a crash or fire?

1 of 24 complaints report a crash and 1 a fire; 2 injuries were reported in total. Complaints are unverified reports from owners.

2019 Mercedes-Benz GLS450 recalls and problems

3 recalls and 24 owner complaints on file with NHTSA for the 2019 Mercedes-Benz GLS450.

recalls

owner complaints

complaints mentioning a crash

mentioning a fire

Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.

2019 Mercedes-Benz GLS450 recalls

Electrical system: wiring

NHTSA campaign 24V207000 · reported March 15, 2024 · Mercedes-Benz USA, LLC · 116,020 vehicles potentially affected

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

NHTSA campaign 22V365000 · reported May 20, 2022 · Mercedes-Benz USA, LLC · 242,722 vehicles potentially affected

The 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.
The 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.
The fix: 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

NHTSA campaign 21V058000 · reported February 5, 2021 · Mercedes-Benz USA, LLC · 1,292,258 vehicles potentially affected

The 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.
The 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.
The fix: 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.

Most reported problems

Areas named in owner complaints to NHTSA. One complaint can name several areas.

Unknown or other6
Electrical system3
Engine3
Engine and engine cooling3
Power train3
Air bags2
Back over prevention2
Service brakes2
Structure2
Suspension2

What owners report

Recent complaints filed with NHTSA, shortened. These are unverified accounts from owners, not findings.

Sep 2, 2026 · Power train · 56,000 miles
The contact owns a 2019 Mercedes-Benz GLS450 4Matic. The contact stated that vehicle was taken to the dealer for routine service, and it was discovered that the U-joint on front driveshaft was fractured and needed to be replaced. The contact associated the failure with NHTSA Campaign Number: 26V216000 (Power Train)…

Aug 25, 2026 · Power train
the vehicle suffered a sudden and catastrophic engine failure while being driven on the freeway at about 60mph. The engine seized and the vehicle lost propulsion creating a serious safety concern

Jun 22, 2026 · Structure
The front vehicle hood keep saying it open but is lock keep getting a message saying is open I am afraid is might come out lock and cause me to an accident

May 22, 2026 · Engine
I am reporting a serious safety defect in my 2019 Mercedes-Benz GLS450. My vehicle experienced low oil pressure warnings and engine warning lights, which were diagnosed as a faulty oil pump solenoid valve. The repair required removing major engine components, resulting in a cost of $5,000 that I paid personally. It is…

Feb 16, 2026 · Power train
When I attempt to shift from park to to drive or reverse or even neutral the car wont respond. this has happened a couple of times in the last two months. I press on the brake in order to shift and it wont respond to any commands . I then have no choice but to turn off the car and then turn it back on. that usually…

GLS450 model years compared

Year	Recalls	Complaints	Crashes	Fires
2016	1	0	0	0
2017	8	35	1	6
2018	3	14	1	3
2019	3	24	1	1
2020	22	36	3	1
2021	12	31	1	2

Across all years, the 2020 GLS450 has the most complaints (36). All Mercedes-Benz GLS450 years →

Questions

Does the 2019 Mercedes-Benz GLS450 have any recalls?: Yes. NHTSA lists 3 recalls for the 2019 Mercedes-Benz GLS450, the most recent reported on March 15, 2024 (Electrical system: wiring). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2019 Mercedes-Benz GLS450?: Owners have filed 24 complaints with NHTSA. The most frequently reported area is unknown or other (6 complaints), followed by electrical system (3).
How many 2019 Mercedes-Benz GLS450 complaints mention a crash or fire?: 1 of 24 complaints report a crash and 1 a fire; 2 injuries were reported in total. Complaints are unverified reports from owners.

Source: NHTSA recall and complaint data, updated October 27, 2026. Latest complaint received September 2, 2026.