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On April 17, 2026, my 2026 Mercedes-AMG GT Coupe experienced a sudden and complete electrical failure while operating on a public roadway in Texas. The vehicle lost propulsion and became completely disabled in active traffic during dusk/nighttime conditions. All electrical systems failed simultaneously, including lighting and hazard lights. The vehicle could not be restarted, moved, or recharged roadside and was effectively âbricked.â  This created a serious safety hazard because the vehicle was stranded in traffic with no hazard lights or electrical warning systems available to alert surrounding vehicles. Police officers responded to protect the vehicle and occupants due to the dangerous roadway location.  Due to the low ride height/body configuration of the vehicle, a specialized tow truck was required, causing the disabled vehicle to remain exposed in traffic for more than five hours. The vehicle was finally removed around 11:00 PM and transported to a Mercedes-Benz service center.  Mercedes-Benz service documentation confirmed:  Internal failure involving the 12V battery system Consequential overload/failure of the 48V system Multiple diagnostic trouble codes Vehicle shutdown conditions  The vehicle and components are available for inspection upon request. The condition was confirmed and inspected by Mercedes-Benz technicians and police officers at the scene.  Prior to the total failure, dashboard warning messages and malfunction alerts had appeared. After repairs including replacement of the 12V and 48V systems, the vehicle again displayed warning messages on May 7, 2026: âCooling System Malfunction â Reduced Drive Power â Service Required.â  Because this warning resembled the precursor symptoms before the original total shutdown event, the vehicle was immediately returned to the same Mercedes-Benz service center to prevent another dangerous roadway failure.

MERCEDES-BENZ AMG GT43 2026 FUEL/PROPULSION SYSTEM

My vehicle has violently jolted 10+ times while driving at low speeds (15â30 mph) in all drive modes. The jolting is severe enough to feel like being rear-ended and poses an immediate safety hazard. The check engine light came on during one incident.  My dealership told me they cannot diagnose or repair the vehicle because they do not yet have software for 2026 Mercedes models, leaving the vehicle unrepairable and unsafe to operate. I no longer feel safe driving this vehicle and am requesting investigation and manufacturer action.

MERCEDES-BENZ AMG GLS63 2026 ENGINE

MERCEDES-BENZ AMG GT63 2026 FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

2026 Mercedes-Benz AMG G63 — vehicle data sourced from FuelEconomy.gov.

Experience the formidable Mercedes-Benz AMG G63, a certified hybrid SUV engineered for performance and presence. With a powerful 577 hp engine and robust 4-wheel drive, this vehicle delivers exhilarating capability.

	2016	2017	2018	2019	2020	2021	2026
Price	—	—	—	—	—	—	—
Engine Capacity	5.5L	5.5L	5.5L	4L	4L	4L	3982 cc
Fuel Type	Premium	Premium	Premium	Premium	Premium	Premium	Premium
Transmission	Automatic 7-spd	Automatic 7-spd	Automatic 7-spd	Automatic 9-spd	Automatic 9-spd	Automatic 9-spd	9 speed automatic
Body Type	Standard Sport Utility Vehicle 4WD	Standard Sport Utility Vehicle 4WD	Standard Sport Utility Vehicle 4WD	Standard Sport Utility Vehicle 4WD	Standard Sport Utility Vehicle 4WD	Standard Sport Utility Vehicle 4WD	SUV

Mercedes-Benz AMG G63 (2026) Specifications