2025 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
2025 · All trims · All engines
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Mercedes-Benz AMG GT has 6 documented known issues, with 4 rated critical. The most serious are MBUX Instrument Cluster Blackout / Reboot While Driving (NHTSA Recall, May 2026), High-Voltage Starter-Alternator Control Unit Software Fault Causes Loss of Drive Power (GT 63 S E Performance Plug-In Hybrid), 48-Volt EQ Boost System: Loose Ground Cable (Fire Recall) and 48V Battery / Starter-Generator Failure Causing No-Start ($900-$3,500 repair) and Misrouted Transmission Wiring Harness Connector Corrodes and Short-Circuits (Fire Risk, Recall Repeated After Failed First Remedy). Across all issues with published estimates, repair costs range from $250 to $3,500. DIY maintenance guides at au7o.io.
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According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2025 Mercedes-Benz AMG GT has 6 documented issues. The most frequently reported are: MBUX Instrument Cluster Blackout / Reboot While Driving (NHTSA Recall, May 2026), High-Voltage Starter-Alternator Control Unit Software Fault Causes Loss of Drive Power (GT 63 S E Performance Plug-In Hybrid), 48-Volt EQ Boost System: Loose Ground Cable (Fire Recall) and 48V Battery / Starter-Generator Failure Causing No-Start. Of these, 4 are rated critical and should be addressed promptly.
The 2025 Mercedes-Benz AMG GT has 6 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 4 issues are rated critical: MBUX Instrument Cluster Blackout / Reboot While Driving (NHTSA Recall, May 2026) and High-Voltage Starter-Alternator Control Unit Software Fault Causes Loss of Drive Power (GT 63 S E Performance Plug-In Hybrid) and 48-Volt EQ Boost System: Loose Ground Cable (Fire Recall) and 48V Battery / Starter-Generator Failure Causing No-Start and Misrouted Transmission Wiring Harness Connector Corrodes and Short-Circuits (Fire Risk, Recall Repeated After Failed First Remedy). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Mercedes-Benz AMG GT issues range from $0 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
NHTSA recall 26V-281 covers certain 2024-2026 platform-192 AMG GT vehicles whose infotainment-control-unit software may trigger increased system resets. During a reset, the instrument cluster may briefly stop displaying driving-related information, increasing crash risk. The repo… Severity: high.
The AMG GT 63 S E Performance is a plug-in hybrid and is a fundamentally different electrical architecture from every other GT — it carries a high-voltage battery and a high-voltage starter-alternator on top of the M177 V8. NHTSA campaign 25V129000 covers 2023-2024 and 2025 AMG G… Severity: high.
The GT 43 and GT 53 use the M256 inline-six with a 48-volt EQ Boost integrated starter-generator that replaces the conventional starter and alternator. Two distinct failures cluster here. First, a safety defect: NHTSA campaign 24V100000 covers 2021-2023 GT 43 and GT 53 whose 48-v… Repairs typically run $900-$3,500. Severity: high.
On the X290 four-door AMG GT (GT 43 / GT 53), the transmission wiring harness can be routed incorrectly so that the electrical connector sits where it is exposed to water and road spray. The connector corrodes, and the corroded contacts can short-circuit — which Mercedes-Benz its… Severity: high.
The 2024+ AMG GT uses rear-axle steering and a dense network of chassis sensors tied into stability control and driver assistance systems. Early-owner reports describe warning messages for steering assist, ESP, or driver assistance functions, sometimes after alignment work, low b… Repairs typically run $250-$2,200. Severity: medium.
Mercedes' current electronic architecture (shared across the C192 AMG GT, W206 C-Class, X254 GLC, and EQE/EQS) has documented 12V battery drain complaints from control modules not sleeping properly — typically the telematics / mbrace head unit polling cellular at idle. On the AMG… Repairs typically run $0-$700. Severity: low.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
