Critical Recall Alert: Mercedes-AMG Plug-in Hybrids Recalled for Potential Loss of Drive PowerBy Sam Michael
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Drivers of premium Mercedes-AMG vehicles received important news when the automaker announced a recall targeting several of its high-performance plug-in hybrid models. The concern centers on a software issue that could lead to an unexpected loss of drive power, raising safety questions for owners across the United States.Mercedes-AMG plug-in hybrids recall affects a limited but significant group of these advanced vehicles.
This Mercedes-AMG recall for plug-in hybrid models stems from a potential loss of drive power problem. It forms part of broader Mercedes-Benz recall efforts overseen through the NHTSA recall process. Owners should take note because these luxury performance cars combine powerful gasoline engines with electric motors for exceptional output and efficiency.The recall covers specific 2023 to 2025 model year vehicles equipped with the E Performance plug-in hybrid powertrain.
Affected models include the AMG S 63 E Performance sedan, the AMG GT 63 S E Performance coupe and 4-door coupe, the AMG SL 63 S E Performance roadster, and both the AMG GLC 63 S E Performance SUV and its coupe variant. In total, Mercedes-Benz identified 2,943 vehicles in the United States.According to documents filed with the National Highway Traffic Safety Administration, the root cause involves a software deviation in the control unit for the high-voltage starter alternator.
This can lead to sporadic processor overload. When that happens, the system’s monitoring function may incorrectly detect a fault and deactivate the high-voltage starter alternator. The result is an unexpected loss of propulsion with no advance warning, although warning messages typically appear on the instrument cluster.Mercedes-Benz became aware of the issue in late 2024 after receiving isolated reports of vehicles failing to start. Further investigation through early 2025 confirmed the potential safety risk.
The company has stated it is not aware of any crashes or injuries linked to this condition. Only a small number of warranty claims were filed in the U.S. before the recall decision.These AMG plug-in hybrids represent the pinnacle of Mercedes performance engineering. Models like the S 63 E Performance deliver combined system outputs exceeding 800 horsepower, blending a potent V8 or inline-six engine with a rear-mounted electric motor for instant torque and strong acceleration.
The plug-in hybrid setup also allows short all-electric driving ranges and improved efficiency compared to traditional AMG vehicles. However, the added complexity of hybrid electronics makes software calibration critical for reliable operation.For U.S. buyers and owners, this recall carries practical implications. These vehicles appeal to enthusiasts who value both exhilarating performance and modern hybrid technology. A sudden loss of drive power while merging onto highways or navigating busy roads could create hazardous situations.
The recall underscores the challenges automakers face as they integrate advanced electrification into high-output luxury cars. It also highlights Mercedes-Benz’s ongoing commitment to addressing issues promptly through free repairs.Owners can manage the situation easily. Mercedes will notify affected vehicle owners by mail. The fix involves a free software update performed at authorized dealerships. New software introduced in February 2025 prevents the processor overload from occurring. Owners do not need to wait for the letter. They can check their vehicle’s status immediately by entering the 17-digit VIN on the official NHTSA recalls website or the Mercedes-Benz USA recall lookup page.
Contacting a local dealer with the VIN provides the fastest confirmation and scheduling.This type of software-related recall has become more common in modern vehicles packed with electronic controls. It does not reflect on the overall build quality of these hand-crafted AMG models but shows how quickly manufacturers respond when field data reveals potential concerns.
No major public backlash has emerged yet, though some hybrid owners in general forums have shared frustrations with service visits for unrelated issues. In this case, the proactive approach by Mercedes-Benz aims to resolve the matter before any problems escalate.
The Mercedes-AMG recall for these plug-in hybrid models due to loss of drive power continues to demonstrate the importance of the Mercedes-Benz recall program and NHTSA recall oversight in protecting American drivers. Luxury performance enthusiasts can rest assured that the remedy is straightforward and comes at no cost. Staying informed remains the best way to keep these impressive vehicles running safely on U.S. roads.Follow us on X
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