2019 Mercedes-Benz GLS 450 recalls and problems

The 2019 Mercedes-Benz GLS 450 has 2 safety recalls and 22 owner complaints filed with NHTSA. Recall repairs are free at any Mercedes-Benz dealer.

Recalls
2
Complaints
22
Crashes / fires
0 / 1
Injuries / deaths
0 / 0

Recalls may cover only some 2019 Mercedes-Benz GLS 450 vehicles. Check your VIN at NHTSA ↗ to see open recalls for your exact car.

2019 Mercedes-Benz GLS 450 recalls

Recall 24V-207: Electrical System

Reported Mar 15, 2024 · 116,020 vehicles affected · Mercedes-Benz USA, LLC

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.

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.

Recall 22V-365: Communication, Electrical System

Reported May 20, 2022 · 242,722 vehicles affected · Mercedes-Benz USA, LLC

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.

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.

2019 Mercedes-Benz GLS 450 problems reported by owners

Problem areaReports
Unknown or Other7
Electrical System4
Engine and Engine Cooling3
Power Train3
Back Over Prevention2
Structure2
Suspension2
Engine2
Tires1
Service Brakes1
Steering1
Air Bags1

Most reported parts

  • Back Over Prevention › Warnings — 2
  • Structure › Body — 1
  • Structure › Body › Hood — 1

Typical mileage at the time of the problem: 38,000 miles (median of owner reports).

Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.

Recent 2019 Mercedes-Benz GLS 450 complaints

Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.

Electrical System · reported Oct 31, 2026
A silica bag has burst inside the coolant system, contaminating the entire engine and disabling all heating and defrosting capabilities at only 40,000 miles. Estimates for the fix over $13,000.
Electrical System · reported Oct 27, 2026
The AC/Heating control unit failed prematurely at 40,000 miles, causing a complete loss of cabin heat and windshield defrosting capabilities. This creates a severe visibility and driving hazard in freezing weather, and risks the safety of a dependent child with high medical vulnerabilities.
Power Train · at 56,000 miles · reported Sep 2, 2026
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); however, the VIN was not included in the recall. The failure mileage was approximately 56,000.
Power Train · reported Aug 25, 2026
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
Structure · reported Jun 22, 2026
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

Other Mercedes-Benz GLS 450 years

Compare all Mercedes-Benz GLS 450 years · All Mercedes-Benz models

Frequently asked questions

Does the 2019 Mercedes-Benz GLS 450 have any recalls?

Yes — NHTSA lists 2 recalls for the 2019 Mercedes-Benz GLS 450: 24V-207 (electrical system), 22V-365 (communication, electrical system). Not every vehicle is affected, so check your VIN at nhtsa.gov/recalls.

What is the most common problem with the 2019 Mercedes-Benz GLS 450?

Owners report unknown or other problems most often (7 reports), followed by electrical system (4). The typical mileage when problems were reported is about 38,000 miles.

Are Mercedes-Benz recall repairs free?

Yes. Safety recall repairs are free at authorized Mercedes-Benz dealers, whether you are the first owner or bought the car used.