Fitment notes: Located in engine compartment; AGM required for high-performance AMG application with start-stop system
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Every control module on the 2024-2026 Mercedes-Benz AMG GT — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Electric Power Steering Control Unit (EPS)3.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Steering column, integrated with steering rack assembly
Hybrid Control Unit (HCU)1.8 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Engine bay, left side near battery
🔧 Xentry Diagnostics + SCN online
⚠️ VIN-locked. For GT 63 S E PERFORMANCE plug-in hybrid (2024+). Controls electric motor and energy management. High-voltage safety certification required for service.
Electronic Stability Program Control Unit (ESP/ABS)1.5 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Front left wheel well, behind inner fender liner
⚠️ Requires Mercedes me connect subscription activation. 2024+ includes 5G capability.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2026 Mercedes-Benz AMG GT 4.0L Turbo V8 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.