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Fitment notes: AGM battery required for mild hybrid system; located in trunk; do not substitute with standard lead acid
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Every control module on the 2025 Mercedes-Benz CLE53 AMG 4MATIC — 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.
Transmission Control Unit (TCU)2.5 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Transmission housing, driver side near bell housing
📍 Trunk floor, under spare tire well or left side panel
🔧 Xentry Diagnostics
⚠️ Controlled via SAM-R. Basic adaptation required after replacement.
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 2025 Mercedes-Benz CLE53 AMG 4MATIC 3.0L I6 Turbo Mild Hybrid 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.