2016-2026 model years · 210+ owner reports · Updated September 2026
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According to Au7o's analysis of 210+ owner reports, the 2016-2026 Mercedes-Benz AMG GT has 16 documented known issues, with 10 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), Getrag 7DCL750 Rear Transaxle Dual-Clutch Failure — Clutch Pack Wear, Speed Sensor Faults and Weep-Hole Leaks ($5,000-$15,000 repair), Carbon-Fiber Driveshaft-to-Flange Adhesive Bond Failure (Driveshaft Separation, Three Successive Recalls), Fuel Pump Impeller Deformation Causes Engine Shutdown and Failure to Restart, 48-Volt EQ Boost System: Loose Ground Cable (Fire Recall) and 48V Battery / Starter-Generator Failure Causing No-Start ($900-$3,500 repair), Misrouted Transmission Wiring Harness Connector Corrodes and Short-Circuits (Fire Risk, Recall Repeated After Failed First Remedy), Fuel Rail and Injector Assembly Replacement Recall on 2019 GT 53 / GT 63 (Engine-Bay Fuel Leak), Front Wheel Speed Sensor Wiring Harness Defect on AMG GT Black Series (ABS/ESP Signal Loss) and Starter Motor Positive Cable Misinstalled — Harness Chafe, Short Circuit, Stall and Fire Risk. The most commonly reported issue is Active Transaxle Mount Connectivity Faults and Replacement with 210 owner reports. Across all issues with published estimates, repair costs range from $250 to $15,000. DIY maintenance guides at au7o.io.
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According to Au7o's analysis of 210+ owner reports, the 2016-2026 Mercedes-Benz AMG GT has 16 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), Getrag 7DCL750 Rear Transaxle Dual-Clutch Failure — Clutch Pack Wear, Speed Sensor Faults and Weep-Hole Leaks. Of these, 10 are rated critical and should be addressed promptly.
The 2016-2026 Mercedes-Benz AMG GT has 16 known issues documented across 210+ owner reports. 10 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 Getrag 7DCL750 Rear Transaxle Dual-Clutch Failure — Clutch Pack Wear, Speed Sensor Faults and Weep-Hole Leaks and Carbon-Fiber Driveshaft-to-Flange Adhesive Bond Failure (Driveshaft Separation, Three Successive Recalls) and Fuel Pump Impeller Deformation Causes Engine Shutdown and Failure to Restart 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) and Fuel Rail and Injector Assembly Replacement Recall on 2019 GT 53 / GT 63 (Engine-Bay Fuel Leak) and Front Wheel Speed Sensor Wiring Harness Defect on AMG GT Black Series (ABS/ESP Signal Loss) and Starter Motor Positive Cable Misinstalled — Harness Chafe, Short Circuit, Stall and Fire Risk. 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 $15,000, 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.
Reliability varies across model years of the Mercedes-Benz AMG GT. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2016-2026 Mercedes-Benz AMG GT with 16 documented issues documented across 210+ owner reports.
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 C190/R190 two-door AMG GT does not use a torque-converter automatic. It uses a rear-mounted Getrag/Magna 7DCL750 seven-speed dual-clutch transaxle — the same family as the Ford GT unit — and it is the single most expensive failure point on the car. Owner and specialist report… Repairs typically run $5,000-$15,000. Severity: high.
On the C190/R190 two-door AMG GT, engine torque reaches the rear-mounted transaxle through a carbon-fiber torque tube driveshaft that is bonded — not bolted — to its metal end flanges. Production residue left on the bonding surfaces impaired the adhesive joint, so the bond can pr… Severity: high.
The in-tank fuel pump fitted to a broad range of 2021-2024 Mercedes-Benz models including the AMG GT uses an impeller that did not meet material specification. The impeller swells or deforms in service, contacts the pump housing and binds. The mechanical resistance shuts the pump… 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.
NHTSA campaign 21V961000 covers 2019 AMG GT 53 and AMG GT 63 four-door models and calls for replacement of the fuel rail together with the fuel injectors. A defective high-pressure rail or injector interface on a direct-injection engine leaks fuel into the engine bay under pressu… Severity: high.
NHTSA campaign 22V042000 covers the 2021 AMG GT Black Series specifically for a front wheel speed sensor wiring harness defect, remedied by replacing the harness. The Black Series is the only GT with the M178 LS2 flat-plane-crank version of the 4.0L twin-turbo V8 and carries uniq… Severity: high.
On 2019-2021 AMG GT 63 and GT 63 S four-door models (sharing the recall with the 2018-2021 E63 S), the starter motor positive cable was not installed correctly at the factory. The misposition lets the power-supply harness wires chafe against adjacent structure. Once the insulatio… Severity: high.
The C190 AMG GT mounts its rear transaxle on three ACTIVE (electronically controlled) mounts that stiffen under hard cornering and soften at idle. The most common reported failure isn't rubber breakdown — it's wiring harness or connector corrosion at the mount sensors, which trip… Repairs typically run $400-$2,800. Severity: medium.
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.
The AMG GT has been recalled repeatedly across its entire production run for defects in the telematics communication module that carries the emergency call function, and the campaigns stack across different root causes rather than repeating one. NHTSA 21V058000 covers 2016-2021 A… Severity: medium.
The wheel-hub center caps on 2019-2020 AMG GT 53 4MATIC+ and AMG GT 63 4MATIC+ four-door coupes were not manufactured to specification. The fastening clip mechanism cannot withstand the stresses induced in normal driving, and the cap detaches from the wheel hub while the vehicle… Severity: medium.
NHTSA campaign 20V395000 covers 2019-2020 AMG GT vehicles that left the factory with an incorrect Electronic Stability Program software version installed. With the wrong calibration, the ESP system can react inaccurately — intervening when it should not, or failing to intervene c… 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.
